Security Negligence Expert Witnesses: 21

Timothy A. Dimoff, CPP, founder and president of SACS Consulting & Investigative Services, Inc. a leading security consulting firm, has over 40 years of experience in Law Enforcement and Security matters for both the public and private sectors. He is multi-certified in the security field and is considered one of the nation's leading authorities on negligent security procedures; security & vulnerability issues; police procedures and operations including use of force; high-risk workplace and human resource issues; narcotics investigations and enforcement. 

Mr. Dimoff is board certified by ASIS as a Certified Protection Professional (CPP?) which is internationally recognized as the “gold standard” certification for security management professionals, demonstrating their knowledge and competency in seven key domains of security.

Litigation Support - Mr. Dimoff has over 20 years of experience in testifying and consulting as an expert witness in over 500 cases and trials for both the plaintiff and the defense sides. His expert witness experience includes law enforcement procedures, security negligence of business or physical premises, human resources issues, meeting standards of practice in hiring and termination, employment practices, proper documentation, training, supervision, policies and procedures, harassment, discrimination, internal investigations, threats and excessive use of force.

Mr. Dimoff is a renowned speaker, trainer, and author who has offered expert commentary to national media including Dateline, NBC, CNN, The Chicago Tribune, The New York Times, The LA Times, The Washington Post, and The Wall Street Journal.  He is the author of four books, including How to Recognize Substance Abuse, The YOU in Business, and Life Rage, a chilling examination of societal rage and safeguards against it.

Mr. Dimoff holds a Bachelor of Science Degree in Sociology with an emphasis in Criminology from Denison University.

Areas of Expertise: 

View Timoth A. Dimoff's Consulting Profile.

911 Consulting specializes in Emergency Preparedness, Training, Drills and Exercises for corporations, campuses and medical facilities. 911 Consulting gives you practical solutions for preventing likely incidents, preparing for emergencies, responding to a crisis and resuming operations. We create a custom emergency plan, train your personnel, and stage drills to make sure you're ready. 

Bo Mitchell was Police Commissioner of Wilton, CT for 16 years. He retired in February 2001 to found 911 Consulting which creates emergency, disaster recovery, business continuity, crisis communications and pandemic plans, plus training and exercises for organizations like GE HQ, Hyatt HQ, MasterCard HQ, four colleges and universities plus 25 secondary schools. He serves clients headquartered from Boston to LA working in their facilities from London to San Francisco. 

Bo has earned 22 certifications in Homeland Security, Emergency Management, Disaster Recovery, Business Continuity, Safety and Security. He also serves as an expert in landmark court cases nationally. Bo is a Certified Emergency Manager, a Certified Business Continuity Professional and Certified in Homeland Security. Professional Designations: CEM, CPP, CHS-V, CBCP, CSI-ML, HSEEP, CNTA, IAC, MOAB, CHSP, CHEP, CSHM, CESCO, CHCM, CFC, CSSM, CSC, CAS, TFCT3, CERT, CHSEMR, CMC

Dennis Fivecoat has over 25 years of Use of Force and Firearm experience in the Military (20 years, retired) and private sector including significant training in the area of Civilian Law Enforcement.  He has attended numerous firearm and use of force related training courses including instructor development with local and federal law enforcement agencies, tactical firearm, close quarters battle, concealed carry, force-on-force training, use-of-force, and legal updates.

Litigation Support - As an instructor-trainer (Master Instructor) in firearms and less lethal devices (pepper spray, expandable baton, defensive tactics, handcuffing), Mr. Fivecoat has a practical and academic basis in the use of deadly and less-lethal use of force by civilians.  His experience teaching firearm use, defensive tactics, and use-of-force allow him to provide opinion on not only proper use of the tool or tactic utilized, but whether the actions were reasonable under the circumstances of the incident.

Mr. Fivecoat provides consultation and testimony on the reasonable use of force, self-defense, and defense of others. Private citizens may become involved in situations (shootings, brandishing, threats with weapons, excessive force, false arrest, false imprisonment) where the reasonableness and legality of their actions are challenged. Review of actions taken, firearm use, and the education of the expert provide the foundation for determining the reasonableness of each parties’ actions. Mr. Fivecoat will review the incident and opine based on local law, training standards, and the reasonableness of the use of force under the circumstances and conditions of the incident. 

Areas of Expertise:

Background - Dennis Fivecoat is a retired US Army physician assistant with a wide variety of functional background and experience. He has seen service in eight different countries encompassing desert, jungle, snow, and maritime missions. His past responsibilities range from combat in SW Asia to hospital duties as an ICU nurse in South Carolina. He has responded during national hurricane relief efforts and somewhat smaller Defense Support to Civil Authority (DSCA) missions. Click for Full Biography.

View Dennis Fivecoat's Consulting Profile.

Owen Ahearn, CPM, has over 35 years of experience in Premises Liability, managing and maintaining Residential and Commercial Real Estate.  He is a Certified Property Manager®, an Accredited Residential Manager®, an Accredited Commercial Manager® and a Public Housing Manager®.  He also holds an OSHA 30 Hour General Industry certification.

Mr. Ahearn has extensive experience managing federal property (Federal Deposit Insurance Corporation, Resolution Trust Corporation, United States Marshals Service) and private real estate throughout most of New England. He has managed and maintained commercial and residential real estate including single family homes, duplexes, triple-deckers and multi-unit dwellings, condominium associations, home-owner associations, and commercial plazas. 

Litigation Support - Mr. Ahearn is an experienced Expert Witness with expertise in property management, property maintenance, reasonable standards of care, and risk management throughout the United States as well as Canada. His services are available to attorneys' representing plaintiff and defense and include site inspections, reporting, depositions, and trial testimony.

Areas of Expertise:

View Ahearn Realty Management's Consulting Profile.

Dr. Randy Atlas AIA , CPP is a Registered Architect, NCARB certified, and he practices Criminal Justice Architecture and Environmental Security Design. Atlas is a certified protection professional (CPP) with the American Society of Industrial Security (ASIS), and is an appointed member of the ASIS Security Architecture and Engineering Committee. Atlas has his doctorate in criminology and a masters of architecture. Dr Atlas is a Fellow  member of the American Institute of Architects (AIA).

Dr. Atlas has taught CPTED (Crime Prevention through Environmental Design) and criminal justice courses at Florida International University, Florida Atlantic University, and the University of Miami, Keiser University, and he is a trainer with the National Crime Prevention Institute at the University of Louisville. Dr. Atlas has been a technical Assistance consultant with the National Institute of Justice, National Institute of Corrections, and the Florida Department of Corrections and U.S. HUD Drug Elimination CPTED Program.

He has conducted ADA accessibility compliance audits for private and public sector clients, and served as an expert witness on over 200 premises liability lawsuits.

Dr. Atlas has been a speaker and trainer at security conferences from New Delhi, India to Seattle, Washington and has written over 200 articles in various publications on security, safety, and counter terrorism issues.

John S. Bukata is a seasoned, goal-oriented, and performance-driven Police Executive with over 42 years of demonstrated success in a broad range of settings, including law enforcement, city government, strategic planning, child dependency, and safety and security in university campus environment. 

Litigation Support - Mr. Bukata provides expert witness services to attorneys representing plaintiff and defense in both civil and criminal cases. As a Senior Law Enforcement Professional, FBI National Academy and FBI LEEDS graduate, a Chief of Police, Executive Lieutenant, Unit Commander, and Director of Safety and Security at a large national university, he offers unique and knowledgeable opinions on Police Practices and Procedures and Negligent Security issues.

Areas of Expertise:

About Bukata & Associates

Background Experience - Mr. Bukata has been a State of Florida sworn law enforcement officer since 1981 in a supervision or leadership/management role since 1992; retiring as a Chief of Police. He has conducted and managed complex investigations in a Federal, State and local environments during his tenure as the Deputy Director of the Broward Sheriff's Office Strategic Investigations Division, formally known as the Organized Crime Division. 

Mr. Bukata has authored, managed, and evaluated police policies and procedures for over 3 decades. He holds a Master of Arts degree in Organizational Management, is a graduate of the FBI National Academy, the FBI Law Enforcement Executive Development Course, and the Southern Police Institute Command Officers Development Course. Mr. Bukata has also been a university professor at various universities and colleges since 2002.

View Bukata & Associates' Consulting Profile.

Rick Rivera is a Commercial Real Estate Professional and Shopping Center Property, Asset Management, and Brokerage Expert in Southern California. In the real estate business for 30 plus years. 

Mr. Rivera is currently Principal of CBM1, Inc. transacting hundreds of leasing and sales deals per year with a team of 12 agents. 

Former President of Centers Business Management (CBM), overseeing 11 million square feet of shopping centers, thousands of tenants, several hundred landlord clients and dozens of property managers and leasing agents. Clients included private and institutional investors.

Areas of Expertise:

Litigation Support - Mr. Rivera offers expert witness services in cases involving commercial real estate. His services are available to attorneys for plaintiff and defendant and include thorough reporting, deposition, and trial testimony as needed. He has also served as a court appointed receiver.

Lawsuit Experience:

View CBM1's Consulting Profile.

Dr. Ron Martinelli, PhD, CMI-V, is a nationally renowned Forensic Criminologist and a federal/state courts qualified law enforcement and premises liability expert who is also a Certified Medical Investigator (physician's level). He is also a Certified Suicide Investigator. 

Dr. Martinelli directs the nation's only Forensic Death Investigations & Independent Review Team of 26 law enforcement, forensic and medical experts and specializes in officer-involved death cases, civilian self-defense shooting cases and premises liability/security cases. He is a forensic/law enforcement expert to the U.S. Department of Justice, several State Attorney Generals' Offices, numerous major municipalities and nationally prominent private law firms specializing in wrongful death, civil rights and premises liability. 

Dr. Martinelli is the prevailing expert in over 90% of his retained cases. He has saved defendants over $300M and earned plaintiffs over $160 million in jury verdicts and settlements since 2004. He is the media's go-to forensic expert for FOX News, One America News Network, CNN, HLN, Sky News, BBC, NPR, and the History & Discovery Channels. Dr. Martinelli is skilled in crime scene reconstruction, forensics, applied sciences, human factors, psycho-medical emergencies and premises liability and security cases. His unique and extensive field experience, combined his academic and scientific credentials, excellent written reports and persuasive testimony, make him a very appealing expert to attorneys and juries alike.

Areas of Expertise:

• Arrests
• Search & Seizure
• Use of Force / Excessive Force - All Levels and Weaponry
• Officer Involved Shootings(OIS)
• In-Custody Deaths
• Criminal Investigations
• Law Enforcement & Corrections Practices, Training & Supervision
• Adult & Juvenile Corrections
• Law Enforcement Negligence
• Civilian Self-Defense, Premises Liability, Security, Foreseeable Harm
• Insurance Cases
• COVID Detentions & Arrests

Preston Rideout is a nightclub and bar consultant specializing in Dram Shop Expert Witness Testimony. He has 25 years of bar operations experience and 75 alcohol safety certifications. Preston is CEO of Rideout Hospitality and Founder of The Dram Shop Experts.

Upon graduating from the University of Mississippi, Preston relocated to Las Vegas to work for Pure Management Group. While in Las Vegas, Preston operated Coyote Ugly, Tangerine Nightclub, Pure Nightclub, PCD Lounge, LAX Nightclub, Noir Bar Audigier Nightclub, EVE Nightclub, Venus Pool Club, and Rehab Pool Party inside Treasure Island Casino, New York New York Casino, Caesars Palace, The Luxor, Aria Casino, and The Hard Rock Hotel. After Las Vegas, Preston launched Rideout Hospitality.

As CEO of Rideout Hospitality, Preston provides consulting to casinos, hotels, resorts, restaurants, nightclubs, bars, and hospitality management groups across the United States, Mexico, and the Bahamas. Clients retain Preston to optimize bar operations, create alcohol service policies, implement operating procedures, and conduct bartender training. Together. Preston and his team of consultants have provided consulting to over 250 clients

As Founder of The Dram Shop Experts, Preston provides plaintiff and defense attorneys with Liquor Liability, Premise Liability, Personal Injury, Catastrophic Injury, and Wrongful Death expert witness testimony. Attorneys retain Preston to provide insight into alcohol-related industry-standard operating procedures, intoxication identification, training adequacy, management oversight, alcohol service policies, procedures, bottle service, mechanical bull operations, pool parties, underage alcohol prevention, security, use of force and deadly force

Preston Rideout has been retrained 73 times to provide Dram Shop Expert Witness Testimony. He’s been retained by Defendant’s 23 times and Plaintiff’s 50 times. 

Over the past 25 years, Preston Rideout has worked as a College Bartender, Security, Vegas Nightclub Bartender, Bar Manager, Casino Nightclub Manager, Assistant General Manager, 5,000 Person Pool Party Manager, General Manager, Multi-State Director of Nightlife, Multi-Unit Director of Bar Operations and CEO of Rideout Hospitality.

Among Dram Shop Experts, Preston Rideout has the most actual alcohol service experience and the most (75) alcohol safety certifications in the nation. For these reasons, he is a highly sought-after hospitality consultant and widely considered the leading bar operation expert in the legal industry.

James Parker has over 35 years of relevant industry experience specializing in Electronic Security Systems & Sensors, Electronics R&D, and New Product Development. He has in-depth knowledge of electronic product design in both Wired and Wireless Technologies and outstanding knowledge of Environmental and False Alarm Immunity. Products, such as alarm systems, that Mr. Parker led the design of, have an installed base in the millions. 

Litigation Support - Mr. Parker provides Patent Litigation support to counsel representing both Plaintiff and Defense and is experienced with civil liability, criminal and patent litigation, including Inter Partes Reviews (IPRs). He has the ability to explain complex technical material in a straight forward manner. Mr. Parker's past clients include Cravath, Swaine & Moore LLP, Weil, Gotshal & Manges LLP, Fish & Richardson PC, Alarm.com, 2GIG Technologies, and Nest Labs. His services are available nationally and internationally. 

Areas of Expertise:

Background - Mr. Parker is the Past Vice President of Engineering for Digital Security Controls Ltd. (DSC), a leading global manufacturer of electronic security systems and components with sales exceeding $400 million annually. He is currently the President at EE-Systems Group Inc. Canada (R&D) where he is responsible for overseeing new product and business development. A prolific inventor, Mr. Parker has been granted over 25 unique patents with approximately 100 patent documents published worldwide. 

View James Parker's Consulting Profile.

Howard Levinson, CPP has been in the Security field for over 40 years. He is a Board Certified Protection Professioal (CPP) and services clients throughout the USA and Internationally.

Consulting

As the President of Expert Security Consulting, his firm provides services such as Risk and Vulnerability Assessments/Surveys and Security System Design of new and existing private and public facilities. His diverse experience in Security/Loss Prevention includes Education Complexes, Banking, Retail, Commercial, Industrial, High Tech, Distribution/Supply Chain, Hospitality, Multi-unit residential, High-End and VIP residences and many others. Mr. Levinson has performed or directed consultations at over 200 client locations.

Expert Witness

Howard has been an Expert Witness specializing in Security and Premise Liability for over 28 years. He assists attorneys in preparing for Premise Liability cases, provides professional opinions as a subject matter expert and forensic testimony. Representing both Plaintiff and Defense, he has consulted, offered his opinion, and testified in well over 50 cases. He is available to provide clear, concise reports with documentation to meet all requirements.

Areas of Expertise Include:

• Premise Liability
• Security Negligence with Security System Design (CCTV, Access Control, Alarms, Lighting)
• Risk and Vulnerability Assessments
• System Design
• Policies and Procedures
• Security Operations
• Investigations
• Security Officer / Firm Negligence
• Crime Prevention
• Assaults and Attacks
• Policy and Procedures
• Theaters
• Parking Lots
• Schools / Education
• Residential
• Retail / Shoplifting
• Hospitality - Bars and Restaurants

Gary Deel, Ph.D., J.D. has 10 years of experience in executive-level positions in the hospitality industry and 10 years of experience teaching hospitality management and law curriculum for some of the nation's top hotel schools.

Dr. Deel holds both a Ph.D. in Hospitality and a J.D. in Law, so he understands the nuances of expert witness testimony from the perspective of attorney strategy. He has also worked in a variety of different hospitality industry capacities including operations, sales, security and risk management, training and administration, and others. His services are available to help attorneys make the strongest possible arguments for clients in hospitality-related cases. Dr. Deel offers expert witness services nationwide in the areas of:

Recent Cases:

• Suit against Miami beach resort involving catastrophic injury in the ocean and hotel duty to warn about latent hazards known to hotel and not obvious to visitors (plaintiff).
• Suit against Orlando city center convention hotel involving sexual assault of a minor guest by an employee and hotel duty to monitor employee whereabouts and activities (plaintiff).

Mark J. Lang, MCJ, CPP, CHPA, is a technical and analytical professional with a career encompassing over 35 years of experience in Criminal Justice, Security, and Private Investigations.

Mr. Lang is a Board Certified Protection Professional ASIS- CPP and IAHSS - CHPA Certified Healthcare Protection Administrator, and  a licensed private investigator. He retired as a Special Investigations Captain from the Orange County Sheriff's Office. Mr. Lang has experience in special operations, criminal intelligence, and special investigations. 

A Former Security Executive and Manager for a large hospital organization, Mr. Lang has experience in all aspects of hospital and organizational security. He is a Member of the Southern Police Institute Alumni Association, Florida Association of Licensed Investigators, Florida Association of Private Investigators, ASIS, AHSS, and Orlando Amateur Radio Club.

Litigation Support - Mr. Lang's expert witness services are available to attorneys for plaintiff and defense. They include thorough case review and reporting, depositions, and trial testimony as needed. Cases involve  Law Enforcement and Security Operations Management, Staff Training, Criminal and Civil Investigations, and  Hospital Security.

Areas of Expertise:

Michael Levine is one of the most decorated Supervisory Agents in the history of the Drug Enforcement Administration. A US Law Enforcement Procedure Expert, Mr. Levine has many decades of courtroom experience (civil & criminal) as a Trial consultant and Expert Witness, including 25 years of service with DEA, Customs, BATF, and the IRS Criminal Investigations Division. Mr. Levine's supervisory and other law enforcement experience includes being in command of task force units combining officers of FBI, BATF, IRS, Customs, NYPD and other police agencies, service as an Internal Affairs supervisory investigator, a senior inspector with the Department of Justice OPR, Office of Professional Responsibility, and Director of a sheriffs department drug bureau. 

Mr. Levine, during his decades of trial experience, both as a senior law enforcement officer including the past 30 years as a professional trial consultant, has qualified as an expert witness for both prosecution and plaintiff as well defense, in federal and state courts including 19 states, Puerto Rico and 8 foreign nations. He offers full trial consulting and investigative services in both criminal and civil matters as follows: Expert Witness File Review and Strategy Assessment; Case Particular Design of Cross-Examination "menus"; Investigative, Technical and Research Support; Expert Witness Report and/or Affidavit Preparation. Utilizing his extensive experience as a Supervisory Internal Affairs Investigator, he can also identify the elements of probable cause indicative of false reporting, cover-up, and the concealment of Brady materials. Since the year 2007 he has been retained by the Atlanta and DeKalb County District Attorneys Offices, to conduct police-involved shooting reviews and as such has testified before criminal grand juries leading to the indictment and conviction of law enforcement/violators. 

Mr. Levine specializes in full trial consulting services and expert testimony in criminal and civil matters and has testified as an expert in the following areas of expertise:

A listing of his cases may be found on his website www.policetrialexpert.com.

Michael Levine is the only US law enforcement expert ever admitted to testify before a Japanese court, (Japan v Goldstein) and used the Blind Mule Defense, which resulted in an acquittal. He is a best-selling author, media consultant, lecturer and police instructor with extensive experience as court-qualified expert witness and trial consultant in civil and criminal matters.

Since leaving the Department of Justice, he has been retained in excess of 500 occasions as a trial consultant/expert witness throughout the United States, Canada, England and Japan. Mr. Levine has also remained active as a police instructor in the US, Canada and Australia. In January of 2008, his police instructional manual "Undercover Tactics and Informant Handling" previously written for the Department of Justice, was published by the New York State Department of Justice Services and utilized as an instructional manual for New York State law-enforcement. The manual was subsequently edited and republished by the US State Department for the instruction of Brazilian Federal Police which was conducted by Mr. Levine and his team of US-based experts. The manual was subsequently republished via academia.edu from where it is now among the top .05% of Global downloads by police agencies, attorneys and researchers.

 View Michael Levine's Consulting Profile.

Dennis Gemberling, CHA, CFBE, FMP, FCSI, President and Founder of Perry Group International, has over 35 years of experience in the Hospitality Management industry. His experience includes managing, operating, and consulting on full-service, limited-service, extended-stay, all-suite, condo and timeshare hotels and resorts, casual, fine-dining, and quick-service restaurants, bars and nightclubs, catering and special event facilities, casinos, and mixed-use real estate. 

Mr. Gemberling has held prior positions for different owners, operators, and chains as Senior Vice President, General Manager, Director of Food & Beverage, and Restaurant Unit Manager. He has been retained on over 400 projects with typical values in the $1 million to $75 million range and revenues in the $1 million to $100 million range both nationally and internationally. His many clients have include among others Biscuits & Blues, Cantina’s, Chevy’s, Choice Hotels, Embassy Suites, Hampton Inns, Hilton, Holiday Inns, Hooter’s Casino, Hyatt, Marriott, McDonald’s, Microtel Inn & Suites, Outback Restaurants, Radisson, Residence Inns, Signature Resort, Sizzler, Sonic Drive-Ins, Starbucks, Starwood, Sheraton, Togo’s, Wendy’s, and Willie Mays Skybox Lounge. 

Litigation Support: Dennis Gemberling is a Certified Hotel Administrator, Certified Food and Beverage Executive, Certified Foodservice Management Professional, and Certified Food Safety Manager. He offers expert witness services to attorneys for plaintiff and defendant cases on a variety of Hospitality-related claims. He is a Professional Member of Foodservice Consultants Society International and the Forensic Expert Witness Association. Mr. Gemberling also provides expertise as a Court Appointed Receiver and Interim Property Manager and is currently the Past President and a Board of Director for the California Receivers Forum – Bay Area Chapter. 

Areas of Expertise:

View Dennis Gemberling's Consulting Profile.