Employment Certification, Coaching & Training Expert Witnesses

Rose Porterfield Group (RPG) has over 30 years of experience providing Business Performance and Human Resource services. As experts in human behavior, we provide litigation support strategy and testimony for attorneys and corporations. Offering unbiased, detailed, and objective expert opinion on all aspects of human behavior in the workplace, we can help determine the facts, motivations, and human factors involved in the case.

Forensic and Expert Testimony Cases Include:

• Sexual Harassment
• Workplace Injury
• Discrimination
• Retaliation
• Wrongful Termination

Robyn W. Porterfield, PhD - Managing Principal at RPG, spent over ten years in sales and marketing prior to completing her PhD in Industrial Psychology. While completing her PhD, Dr. Porterfield served as Director of Client Services for a Texas-based on-line psychological testing firm, consulting to management on such issues as individual and team fit, conflict resolution, hiring, coaching, and management succession planning.

As a consultant, Dr. Porterfield has assessed executives in such diverse industries as financial management, food service, telecommunications and retail. For five years Robyn and Bob co-wrote a column for the Dallas Business Journal titled, C-Level Coach. Robyn is also a professional mediator and currently mediates for Dispute Resolution Services of Tarrant County, Texas.

Robert G. Rose, PhD, Principal at RPG, received his PhD from Florida State University. Since 1976 he has served as consultant to organizations in virtually every industry including health care, retail, IT services, manufacturing, construction, aviation, and many others. In his over 30 years as a consultant, Dr. Rose has encountered virtually every problem that an organization can experience, and has seen that good teamwork - from hiring to development - always benefits both the individual and the company.

Bob is the author of numerous articles on communication, crisis handling, and conceptualizing purpose and culture within organizations, and his books on consulting are required reading by major corporations..

View RPG's Consulting Profile.

Virginia Rhodes, EdD has an extensive background in public schooling with over 35 years of experience in duty of care: teacher, principal, hiring, supervision, evaluation and instruction in K-12 settings. Her work in research, and as a school board member in a large district, grounds her expertise in school policy and district and administrative function. As principal and policy-maker, Dr. Rhodes was known for her work in reclaiming failing high schools, including moving an Ohio high school from 8% passage on the state science test to 54.5% in 2 years, collaboratively, within a contractual environment. Dr. Rhodes provides expert witness research, reports & testimony for districts and law firms, representing both plaintiff and defense. Dr. Rhodes' services are available nationally and internationally, as she is culturally competent,traveling, presenting at conferences and observing schools. Previous cases have included student injury, & death, religious/race, disability discrimination, wrongful termination, sexual abuse, administrative supervision, teacher supervision, actions of paraprofessionals including teacher assistants, security guards, and school resource officers, as well as school evaluations & recommendations for domestic cases.

Areas of expertise include:

• School and district disciplinary policy & practices
• Standards of care and duty for administrative, teacher and school staff 
• Teacher training/evaluation, administrative training
• School climate, SEL (social-emotional learning), trauma-informed practice
• Diversity issues within Personnel and Student Settings
• Urban school research & new trends in teacher leadership
• Deposition & court testimony, document review & analysis
• STEM, environmental, magnet, and other specialty programming
• Conditions Affecting Low-income Students: Mobility, Poverty
• Challenges of hIgh poverty schools
• Innovative & 21st century practices 
• Academic achievement and program development
• Organizational planning & development

View Dr. Rhodes' Consulting Profile.

Gregory J. Anderson has served as a chief of police/law enforcement executive with over 35 years of experience with a focus in Law Enforcement. A nationally known speaker and instructor, Mr. Anderson focuses on leadership, supervision, internal affairs, and problem employees, de-escalation strategies as well as use-of-force matters. He also consults with government agencies nationwide on professional standards, internal affairs, and best practices models. He has been instrumental in the change in organizations. Mr. Anderson's law enforcement career began in 1980 and served as an executive in three different law enforcement agencies, including starting an agency from its inception. He formed the On-Target Solutions Group, Inc. to provide consulting and training to government organizations. Mr. Anderson has consulted with agencies and other experts nationally on a variety of law enforcement topics and is recognized by the United States Department of Justice as a law enforcement expert and litigative consultant.  He authored the training that the On-Target Solutions Group provides, as well as vets and hires all company professionals to provide training. Mr. Anderson has served on the Board of Directors for the Illinois Commission on Diversity and Human Relations, and belongs to several professional organizations, including the International Association of Chiefs of Police, Police Executive Research Forum, and the Illinois Association of Chiefs of Police. Areas of Expertise:

Use of Force (certified Use of Force Analyst) Internal Affairs Best Practices and Policies Leadership and Management Principles

Discipline Matters Recruiting and Background Investigations Problem Employees Criminal Investigations

Ideal Client Engagement - Ideal clients would be government organizations (police, fire, etc.) struggling to enhance the value of public services provided and attorneys that need a professional review and testimonial services of existing law enforcement practices.

Sherryll Kraizer, Ph.D., is an internationally recognized expert and author in child sexual abuse, bullying, special education, and child safety. 

Background Experience - Dr. Kraizer was on the ground floor of the child abuse prevention field in the early ‘80s, working with the C. Henry Kempe National Center for the Prevention and Treatment of Child Abuse and Neglect and founding the Coalition for Children. She has written articles, books and curricula that address recognition, prevention, and reporting of child abuse (including sexual, physical, emotional and neglect). She also has expertise in the areas of Title IX, bullying, school safety, special education, and duty to supervise in a wide variety of settings. 

Working with schools, religious organizations, community groups, and treatment facilities, Dr. Kraizer has a deep and historically accurate understanding of the standard of care, policies and procedures, training, and supervision consistent with protecting children as they have evolved over time from the 1960's forward. 

Dr. Kraizer has extensive experience in cases involving child abuse and bullying in youth-serving organizations and institutional settings (i.e. schools, churches, foster care, youth groups, daycare, treatment centers, residential facilities and hospitals), failure to properly train and supervise staff, failure to supervise children, child injury and death cases, abuse by teachers, clergy or staff members and child-on-child abuse. She is qualified to assess standard of care, policies, procedures, best practices and questions of negligence. 

Litigation Support - Since 1992, Dr. Kraizer has worked nationally for plaintiffs and defendants alike. Understanding the issues on both sides, she is able to review your case and advise you on the strength of the evidence, areas for further discovery, deposition, and trial preparation. As a forensic expert, she can assist you in asking the right questions to make informed decisions about each case. 

Dr. Kraizer has extensive experience in cases involving:

• Child Abuse or Injury/Accidents in Institutional Settings (i.e. private and public schools, churches, foster care, youth groups, daycare, treatment centers, residential facilities, and hospitals)
• Abuse Over Time (1960's forward) Involving Multiple Victims
• Child Sexual Abuse and Assault, Physical Abuse, Emotional Abuse and Neglect
• Boundary Violation
• Standard of Care, Negligence and Best Practices
• Policies and Procedures
• Staff training and Supervision
• Failure to Supervise
• Sexual Abuse by Teachers, Clergy, Staff Members, Volunteers, and Child-On-Child Abuse
• Sexual Harassment and Misconduct Title IX
• Bullying and Interpersonal Violence
• Wrongful Death

View Dr. Kraizer's Consulting Profile.

Michael Kerr is known as one of North America’s Leading Authorities and Busiest Speakers on Humor in the Workplace. His company, The Humor at Work Institute, offers keynote presentations, training workshops, articles, books, audio CDs and training DVDs for “seriously-challenged” organizations.

Michael’s expertise is on how humor can help organizations manage stress, spark creative thinking, motivate employees, provide more memorable customer service, and communicate more effectively.

Michael’s books and e-books include “You Can’t Be Serious! Putting Humor to Work” and “Inspiring Workplaces – Creating the Kind of Workplace Where EVERYONE Wants to Work” and “We’ve GOT to Stop Meeting Like This!”.

Expertise Categories:

• Author / Writers
• Humor / Entertainment
• Speakers
• Business / Motivational
• Business / Executive Coaching / Training
• Human Resources
• Workplace Issues
• Communication and Professional Skills
• Stand Up Comedy / Comedians

Jeffrey C. Fox, PhD, MBA, MS, BLS, AAS, CHPA IV, CHS IV, served for 32 years in the field of Public Safety, 21 of which were with the VA State Police. He has over 20 years of personnel, administrative, and program management experience. Dr. Fox was a member of the American College of Forensic Examiners Institute where he holds a Level 4 Homeland Security Certification. He has completed the Federal Emergency Management Agency Professional Development Courses and was certified through the Virginia Department of Emergency Management as a trainer for incident command system training courses. As a practitioner, he was involved in the response and management of all types of events such as major disasters including floods, hurricanes, snow/ice storms, and the largest traffic crash in Virginia history. He has also managed and responded to civil unrests, protests, a sniper attack, dignitary protection, special event planning, and many major crimes.

Background - Dr. Fox began his law enforcement career as a military policeman in the U.S. Army and served as a town police officer, trooper, sergeant, first sergeant, and lieutenant. He served as a field lieutenant with the VSP and served as the assistant training officer where he managed the daily operations of the training academy. He also served as the statewide incident management program manager for the VA Department of Transportation in the operations and security division. 

Teaching / Speaking Experience - Dr. Fox retired from state service as the Program Coordinator and Assistant Professor for the Homeland Security & Emergency Preparedness and Criminal Justice Cohort Programs for VA Commonwealth University. He served as an Assistant Professor and Chair of the Public Safety Adult Degree Completion Programs (Bachelors) [Criminal Justice and Homeland Security & Emergency Management] for Bluefield College. While the assistant training officer for the VSP, Dr. Fox collaborated with the University of Virginia and together they created the National Criminal Justice Command College. Having spent 20 years instructing at various criminal justice academies in a plethora of criminal justice, instructor development, and leadership courses, Dr. Fox has taught over 560 criminal justice and homeland security / emergency preparedness courses, and management / leadership courses which include over 18,000 classroom hours. He has taught over 85 criminal justice topics in police academies, which include over 4,000 hours of classroom instruction. Dr. Fox has served on over 35 boards or committees relating to criminal justice, homeland security, or training issues. He was tasked with overseeing the implementation of NIMS compliance issues for two large state agencies totaling approximately 6,000 employees. He has also overseen the development of several large distance-learning programs. Dr. Fox served as chairperson and committee member for many doctoral students in the public service leadership discipline. During his public service career, he earned over 167 commendations, awards, and honors for enforcement and service work, public speaking and instructing, and his academic achievements. 

Litigation Support - Dr. Fox serves as an expert witness for attorneys representing Plaintiff and Defendant. His services include case review, thorough reporting, depositions, and trial testimony as needed. 

Areas of Public Safety Expertise:

Leadership and Management Ethics Instructor Development / Training Basic Police Training In-service Training Field Training Officer Training / Development National Incident Management Incident Command Training Emergency Management Training Emergency Preparedness / Response Crisis Management Traffic Safety Traffic Incident Management Training

General Criminal Justice Procedure and Policies Patrol Criminal Interdiction Search and Seizure Use of Force DUI / DWI and Drug Enforcement Drug User Recognition Investigations Criminal Behavior Homeland Security / Terrorism Risk Assessments NIMS Compliance / Implementation Agency Policy Development or Review

Linnda Durre', Ph.D., Licensed Psychotherapist, (FL License #MH6058) is an expert witness, psychotherapist, family counselor, intern supervisor, international speaker, author, business consultant, adjunct college professor, and a magazine, Internet, and newspaper columnist.

With over 44 years of experience, she consults to attorneys and has been qualified as an expert witness in six (6) states - Florida, California, Arkansas, Georgia, Connecticut, and Washington - in the areas of, Personal Injury, PTSD, Family and Couples Counseling, Divorce, Child Custody, Drug and Alcohol Counseling, Sexual Harassment and Discrimination, Relocation, and Sexual Abuse by Therapists. Her 400-page doctoral dissertation and research in the latter area was cited to pass legislation in several states.

Dr. Durre' hosted and produced three radio shows, two of which were call-in advice shows. She hosted and produced two call-in advice TV shows, including "Ask The Family Therapist," on America's Health Network, which was associated with Mayo Clinic and aired from Universal Studios Orlando.

She has appeared on Oprah, 60 Minutes, O'Reilly (twice), Today Show, Good Morning America, Canada AM, Daytime, Donahue (twice), Sally Jessy Raphael, People Are Talking, Home Show, Hour Magazine, Home and Family Show, Disney Channel, and the local and/or national news on NPR, PBS, CBS, ABC, NBC, CW, and Fox.

Dr. Durre' has been interviewed, cited, and/or quoted by the NY Times, LA Times, Forbes, WSJ, IBD, Business Week, SF Chronicle & Examiner, Toronto Globe & Mail, Albany Times Union, Atlanta Journal Constitution, Orlando Business Journal, Orlando Sentinel, Parade Magazine, Alternative Medicine Magazine, CNN Online, Washington Parent Magazine, Screen Actor Magazine, Florida Magazine, Orlando Magazine, Women's Health Magazine, and others.

As a business consultant, Dr. Durre' consults and speaks to Fortune 500 companies, businesses, agencies, professional and trade associations, and non-profit organizations on customer service training, sales techniques, communication skills, stress and time management, conflict resolution, motivation, personality disputes, team building, job satisfaction, reducing turnover rates, diversity training, and sex discrimination and harassment.

Her book, "Surviving the Toxic Workplace - Protect Yourself Against Co-Workers, Bosses, and Work Environments that Poison Your Day" was published by McGraw Hill and can be ordered online.

Dr. Durre' has spoken to groups, associations, clubs, and corporations as a keynote and motivational speaker, trainer, and/or consultant, including Disney, Whole Foods, Paul Mitchell, Dollar Enterprises, Jacobson's, Girl Scouts, BICSI, American Psychological Association, National Speakers Association, American Management Association, National Association of Bank Women, Altrusa Service Club, and Naval Regional Medical Center.

Dennis E. Coleman, JD, MPH, has over 40 years of experience in Hospital and Healthcare Management. In 1990, he formed his own hospital administration / healthcare management services consulting firm provide healthcare management services to various healthcare provider clients in a variety of areas, including strategic planning, business development, operations management, sales and marketing, policy & procedure development, and human resources management.

Mr. Coleman's academic background includes a Juris Doctor degree from Southwestern University in Los Angeles and a Masters in Public Health degree with a Hospital Administration major and a Bachelor of Arts degree in Political Science, both from the University of California, Los Angeles.

Litigation Support - As a hospital administration expert witness consultant, Mr. Coleman is an advocate for applying community standards which are relevant, based upon the time frame, subject matter and administrative practice(s) appropriate to each case. He has consulted and provided case review, expert witness services, and/or strategic litigation preparation services in more than 200 legal matters. He accepts cases on behalf of Plaintiffs or Defendants.

Mr. Coleman is willing to serve as either a work product consultant or a designated expert based upon the particular strategic litigation needs of each case.

Cases Include:

• Medical Staff Credentialing & Clinical Privileging / ELAM
• Negligent Credentialing, Negligent Supervision, Negligent Retention
• Hospital / Physician Relations-MEJIA Ostensible Agency Issues
• Administrative Community Standards
• Medical Staff Bylaws, Rules & Regulations
• Provider-Based Physician Contracting Negotiations & Contract Administration
• Administrative Policies & Procedures
• Hospital Joint Commission Accreditation, Licensing & Regulatory Compliance Issues
• Wrongful Termination / Constructive Discharge / Whistleblower Issues
• Patient rights; Informed Consent
• Patient Safety; Environment of Care
• Governance; Corporate Negligence

View Dennis Coleman's Consulting Profile.

Roger W. Chappell, has over 25 years of experience in the Law Enforcement and Security industry. His experience allows him to assist attorneys for both Plaintiff and Defense in determining whether or not minimum industry standards were met regarding premises liability. Additionally, he has a vast array of experience in criminal investigations.

Mr. Chappell has been summoned to testify as an Expert Witness in Texas District Courts on more than 20 occasions involving the following matters:

• Premises Security Adequacy
• Murder
• Capital Murder
• Felony Murder of a Police Officer
• Aggravated Robbery

Experience - Mr. Chappell is a 9 year Marine Corps Veteran and 22 year retired police supervisor in Houston, Texas. He is also a former corporate security manager, police crime prevention specialist, detective supervisor, police training manager, and internal affairs sergeant. Mr. Chappell coordinated numerous security related functions at hotels, bars and night clubs, and apartments. He has handled large events during the Super Bowl, MLB All Stars, and NCAA Final Four events. He was also a hostage negotiator for over 12 years responsible for the safe resolution to highly stressful and violent events.

Education / Training: Roger Chappell has a masters degree in Criminal Justice Management from Sam Houston State University. He has over 3,000 hours of training relating to active shooter, homicide investigations, kidnappings, interviewing and interrogation, crime scene process, and mental health issues.

Areas of Expertise:

Security Guards Negligence Bar & Nightclub Bouncers Issues Use of Force Investigations and Surveillance Detention and Arrest by Security / Non-Security Personnel

Premises Security Issues / Adequacy Security Management Police Policies and Procedures Workplace Violence Issues Unlicensed Security Activity State and Local Regulatory Compliance

View Roger Chappell's Consulting Profile.

Dr. Caren Goldberg, Ph.D. is an internationally renowned professor of Human Resource Management. She provides expert witness and litigation support services in employment law cases.

Dr. Goldberg has written over 50 peer-reviewed papers and three book chapters on Diversity, Discrimination, Stereotypes, and Sexual Harassment. She has been quoted in numerous magazine and newspapers, and has appeared on Dateline, NBC, Voice of America, and numerous local affiliate news programs to discuss discrimination and harassment. The Society for Human Resource Management (SHRM) honored Caren as one of 100 diversity thought leaders from business, consulting, government, and academia, based on her research contributions in this area. More recently, SHRM appointed her to a task force charged with developing professional standards in Diversity and Inclusion.

John Hoschette, BSEE, MSEE is an Electrical Engineer and Engineering Manager with over 25 years of experience at companies such as Smiths Medical, Lockheed Martin, Honeywell, Loral, Alliant Techsystems and Rockwell Collins. This has provided him exposure to the engineering methods of organizations nationwide and an acute understanding of all aspects of an engineering career.

Mr. Hoschette has managed engineering groups as large as 125 people with overall responsibility for business operations, employee salary administration, hiring, termination and career development. He has been involved in cases of employee termination for drugs, layoffs, harassment, non-performance and violation of company business ethics issues.

His primary responsibility as an engineering manager when dealing with employee issues has been to enforce company policies and procedures to ensure fair and lawful handling of employee discipline and terminations cases when necessary. This involves coordination of Human Resources and Legal Counsel to ensure company liability is minimized.

Mr. Hoschette's technical work encompasses developing the next generation mission computers for the F-35, P-3, F-16 and F-22 jet fighter aircraft and his technical expertise is Optical Data Networking. His career has covered designing, testing, and fielding of advanced electronics in areas such as: developing infrared sensors for night vision, laser sensors for weapons, helmet mounted displays and fiber channel networks.

Mr. Hoschette is also an author of two books, “Career Advancement and Survival for Engineers” and “The Engineers Career Guide." He has also been adjunct professor and instructed career development courses for engineers at Tufts University in Boston, Santa Clara University and University of Minnesota.

View Consulting Profile.

Helen Zienkievicz has the unique experience of longevity and active engagement in two fields of expertise, Aviation Safety and Nursing. She has held, and continues to hold, a multitude of positions in both of these industries.

Ms. Zienkievicz holds a Masters Degree in Nursing Education and Research and is a Board Certified Nurse Practitioner. She is qualified in Advanced Cardiac Life Support and belongs to a multitude of nursing-related organizations including the American Association of Nurse Practitioners.

During her 29 year career with United Airlines, Ms. Zienkievicz held a variety of positions including Airlines Manager of Health, Safety & Security for Onboard (Flight Attendant) Service Division. Her duties included oversight of airline cabin regulatory compliance of FAA and TSA regulations, primary division liaison with FAA Principle Cabin Inspector, direct investigation of cabin safety incidents and accidents, and advisor to corporate safety, training, medical, personnel, communications, legal and division management.

Ms. Zienkievicz provides expert opinion on aviation cases for both Plaintiff and Defense. With an extensive background in both aviation and nursing, she offers attorneys a unique perspective on aviation cases related to cabin safety, regulations, and training.

Aviation Safety Expertise

• Aircraft Cabin Safety
• FAA Regulations
• Air Carrier Access Act
• Passenger - Flight Attendant Injury / Illness Management
• Flight Attendant Instruction
• Turbulence Response
• Flight Attendant Policy and Procedure
• Crew Resource Management
• Threat Error Management

View Helen Zienkievicz's Consulting Profile.

Jake E. Carroll, ThD, is an Emergency Medical Services (EMS) / Paramedic Subject Matter Expert with over 29 years of experience. He also has specialized training and experience in Critical Incident Stress Management. He is nationally credentialed as a Defensive Driving Instructor Trainer. Dr. Carroll's current role includes supporting EMS instructional development, training program delivery, and emergency response consultation for Benchmark Medical Services, LLC, Tennessee Valley Authority, Johnson Service Group, and Tennessee Safety and Health Council, Inc.

Dr. Carroll is the past Board Chair for the Tennessee Chapter of International Trauma Life Support, and currently serves as Regional Faculty with the American Heart Association for the Basic Life Support and Advanced Cardiac Life Support programs, and Chaplain for Hamilton County Emergency Services. He is also Captain of the Hamilton County Command Post, and holds memberships in the Tennessee Emergency Medical Services Educators Association, the International Association of Fire Fighters Chaplains, and the Tennessee Fire Chaplains Association.

Litigation Support - Dr. Carroll provides expert witness and consultation services for defense and plaintiff attorneys, risk management professionals, the general public, and governments involved in civil and criminal litigation.

Areas of Expertise:

Basic Life Support (BLS) Cardiopulmonary Resuscitation (CPR) Advanced Life Support (ALS) Advanced Cardiac Life Support (ACLS Emergency Vehicle Operations

Pediatric Advanced Life Support (PALS) Bloodborne Pathogens DOT First Responders Paramedic / EMT Negligence Defensive Driving

View Dr. Carroll's Consulting Profile.

Bank Resources and Solutions is an executive management consulting group that has provided Financial, Operations, and Regulatory / Compliance consulting services nationwide to financial institutions, attorneys and regulatory authorities since 2008. Litigation Consulting, Forensic Research and Expert Witness work are an important focus of our services. We have worked with attorneys and regulators on suits throughout the United States. Their work has included both plaintiff and defendant financial institutions, borrowers, depositors and regulators. Areas of Litigation Support Expertise: FDIC Suits, Non-FDIC Suits, Bankruptcy Suits, Employee Criminal Actions / Bribery, Branch Operations, Bank Secrecy Act Policies / Procedures, Wire Transfers, New Account Fraud, Trust Account Fraud, Bank Negligence, Foreign Checks. Mark C. Riley is an experienced and successful former Bank Chief Executive Officer whose background includes leading the turnaround of two banks that had been operating under regulatory agreements upon arrival. Mr. Riley’s relevant experience was overseeing all areas of his banks including the development, approval, and implementation of effective risk management programs. For example, as CEO, Mr. Riley was involved in all phases of lending from business development to credit analysis and underwriting to overseeing loan approval and review process, providing due diligence of client bank loan portfolios, developing and overseeing workouts of nonperforming loans. This is particularly important in Expert Witness support as Mr. Riley’s background will carry more weight than technical specialists such as Loan Officers. Using loan officers, analysts and even lending group managers can provide the technical side of lending (underwriting, documentation, recordation and related nuts and bolts). As a Bank CEO & Director with lending expertise, Mr. Riley can provide all of that, but more importantly to a lawsuit, is knowledge of Director Loan Committees and their response to weaknesses that occurred in the technical side and what actions did they take to ameliorate or exacerbate the problem. Mr. Riley has provided Expert Witness services, including consulting, reports, depositions and testimony, to attorneys representing the FDIC, banks, bank clients, and related companies. Susan E. C. Riley is an experienced Senior Officer whose background includes the total responsibility for creating and managing the enterprise-wide systems of two denovo banks. Her relevant experience also includes creating and managing the Human Resources Department, Compliance, IT and IT Security, BSA/AML, ACH, Vendor Management, and related contract negotiations and Retail Bank Management. As co-founder of Bank Resources and Solutions, Mrs. Riley has analyzed, recommended, and implemented complex banking software within tight guidelines. She has established a solid reputation as a “no nonsense, identify the challenges, develop effective strategies and get the solutions in place” administrator. Mrs. Riley has provided Expert Witness research and consultation in client v. bank and bank v. client related matters. View Bank Resources and Solutions' Consulting Profile.