Employment Certification, Coaching & Training Expert Witnesses: 7

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, culture, 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, Trauma, Discrimination, Bias
• 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.

Linnda Durre', Ph.D., Licensed Psychotherapist, (FL License #MH6058) is an expert witness, psychotherapist, family counselor, intern supervisor, international speaker, corporate trainer, author, business consultant, adjunct college professor, and a magazine, Internet, and newspaper columnist. Her four areas of court expertise are Family Law, Personal Injury Law, Employment Law, and Criminal Law. 

Litigation Support: With over 46 years of experience, she consults to attorneys and has been qualified as an expert witness in nine (9) states - Florida. Alabama, California, Arkansas, Georgia, Connecticut, Washington, Tennessee, and Iowa - in the areas of Personal Injury, PTSD, Family and Couples Counseling, Divorce, Child Custody, Relocation, Drug and Alcohol Counseling, Sexual Harassment, Sexual Abuse by Psychotherapists, as well as Age, Race, Gender, and Sexual Orientation Discrimination. Her 400-page doctoral dissertation and research in the latter area was cited to pass legislation in several states. 

Dr. Durre' has hosted and produced four radio shows, two of which were call-in advice shows and two are interview shows. Her current show "Linnda Durre' Interviews" airs daily for one hour on www.VegeRadio.com. at 4 PM ET, 3 PM CT, 2 PM MT & 1 PM PT.  Dr. Linnda Durre' has hosted and produced two call-in advice TV shows, including being selected in a national search of 200 applicants, to host, "Ask The Family Therapist," on America's Health Network (AHN), which was associated with Mayo Clinic and each show aired daily for two hours 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, Pasadena Star News, Orlando Magazine, Women's Health Magazine, and others.

View Linnda Durre's Consulting Profile.

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.

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.

Litigation Support - Professor Goldberg has been retained by both plaintiff and defense attorneys to testify on matters such as Stereotyping and Harassment / Discrimination climates. In addition, she has testified on the extent to which HR practices are consistent with the scholarly and practitioner literature in HR and how subjectivity in HR practices such as selection, compensation, promotion, appraisal, and termination decision may introduce bias.

Dr. Goldberg provides a variety of services including:

• Assistance Preparing for Depositions and/or Trials in Discrimination and/or Harassment Cases
• Test Validation Services
• Assistance with or Outsourcing of Diversity and/or Sexual Harassment Training Programs
• Assessment and Critique of Opposing Expert's Assumptions, Conclusions, and Prior Research  

Aaron T. Olson, has decades of experience in the field of Police and Human Resources. His breadth of knowledge comes from many years in Law Enforcement, as an expert witness, consultant, and trainer.

Mr. Olson's company, A.T. Olson Consulting, LLC,  is certified by the U. S. Department of Veterans Affairs Center for Verification and Evaluation (CVE) as a Verified Service-Disabled Veteran Owned Small Business (SDVOSB); and the State of Oregon's Certification Office for Business Inclusion and Diversity (COBID) as a Service-Disabled Veteran Business Enterprise (SDVBE) and Emerging Small Business (ESB).

Background Experience: Mr. Olson has over 26 years of police experience managing assignments in communications, recruitment, and patrol. He supervised and evaluated both police and non-police employees. He was a member of the OSP Procedures and Rules Advisory Committee and worked with Oregon's Department of Justice in rewriting and validating OSP's trooper and cadet applicant hiring process. Mr. Olson had the honor of being a member of the first Oregon State Police Affirmative Action Recruiting Team. 

 As a patrol supervisor, Mr. Olson directed major crime scenes and traffic crash investigations. He reviewed and approved administrative, police, and use of force reports. He also investigated allegations of police officer misconduct, conducted background checks, and participated in specialized tasks in community policing, dignitary protection with the U.S. Secret Service and other law enforcement agencies. In his law enforcement, career he had experience in the use of physical and deadly force. In reaching out to new immigrants and refugees, Mr. Olson initiated the "Police and Emergency Services" workshops at the Immigrant Refugee Community Organization (IRCO) in Portland, Oregon. 

Mr. Olson is regular adjunct professor at Portland Community College (PCC), Portland, Oregon, and Eastern Oregon University (EOU), La Grande, Oregon. At PCC, Mr. Olson currently teaches cultural diversity online and campus criminal justice classes. He also teaches an online class on civil liability in criminal justice. At PCC, he has lectured on police use of force and facilitated the Police Use of Force Accountability Panel. At EOU, he teaches an online multiculturalism in emergency services course. He established history by designing the first cultural diversity courses and curricula for PCC's criminal justice program in 2001, fire protection program in 2009, and EOU's fire service administration program in 2011.

Mr. Olson is a published co-writer of Multicultural Law Enforcement: Strategies for Peacekeeping in a Diverse Society, 7th ed. Pearson Prentice Hall, and Multicultural and Diversity Strategies for the Fire Service, Pearson Prentice Hall.

Litigation Support: Mr. Olson meets the criteria of an expert witness as outlined in the Federal Rules of Evidence. He also meets the criteria of an expert witness as outlined in the Oregon Revised Statutes. He has been deposed as an expert witness several times. Mr. Olson's services are available to attorneys representing plaintiff and defendant and include diagnostics, thorough reporting, depositions, arbitration hearings, and trial testimony as needed.

Areas of Expertise:

Law Enforcement and Criminal Justice Police Practices and Procedures Police Investigations and Arrests

Government Investigations Human Resource Investigations Bias, Discrimination, Harassment and Retaliation Investigations

View Aaron T. Olson's Consulting Profile.