Find the Right Expert for Every Case

Senior Law Enforcement / Security Professional

Earnest Welch, CPP, MAS is a law enforcement and security expert specializing in use of force analysis and emergency operations. With a career encompassing law enforcement leadership, military service, and security consulting, he brings a multifaceted perspective to litigation work. His work centers on investigating use of force incidents, assessing compliance with Attorney General guidelines, and evaluating whether defensive tactics align with established protocols. Mr. Welch has been retained in numerous expert witness and consulting engagements across New Jersey, involving cases related to jails and prisons, law enforcement practices, and security management. His Master's degree in Administrative Science, along with certifications such as Certified Protection Professional (CPP) and Law Enforcement Instructor, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving use of force and security operations.

President

Homer R. Peterson II, P.E., CSP is a construction and safety consulting expert specializing in occupational health & safety management systems, standards of care, and OSHA matters. With a career encompassing diverse roles in construction management, he brings a multifaceted perspective to litigation work involving safety and risk management. His work centers on investigating safety compliance, assessing construction practices, and evaluating whether industry standards have been met. Mr. Peterson has been retained in numerous expert witness and consulting engagements across the United States, involving construction disputes, wrongful death, and personal injury cases. His Bachelor of Science in Civil Engineering with Honors from Southern Methodist University, along with certifications such as Certified Safety Professional and Certified Forensic Litigation Consultant, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation and responsibility in disputes involving construction safety and OSHA compliance.

Licensed Site Remediation Professional

Rodger A. Ferguson Jr., Licensed Site Remediation Professional is a site remediation expert specializing in environmental compliance and hazardous substances management. With a career encompassing environmental assessments, regulatory compliance, and remediation strategy development, he brings a comprehensive framework to litigation work involving complex environmental issues. His work centers on investigating contamination sources, assessing remediation strategies, and evaluating whether regulatory compliance standards have been met. Mr. Ferguson has been retained in numerous expert witness and consulting engagements across New Jersey, involving cases related to site remediation, hazardous waste management, and environmental compliance. His Master of Science in Environmental Science from Rutgers University, along with his Licensed Site Remediation Professional certification from the New Jersey Department of Environmental Protection, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving site contamination and remediation efforts.

Professor of Environmental Engineering

Mark O. Barnett, P H.D., P.E., BCEE is an Environmental Engineering expert specializing in water and wastewater treatment, site assessment and remediation, and soil and groundwater contamination. With a career spanning academia, government, and industry, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating contaminant bioavailability, assessing human-health risk, and evaluating whether environmental standards have been met. Mr. Barnett has been retained in numerous expert witness and consulting engagements across the United States, involving environmental forensics, radioactive and hazardous waste management, and nuclear environmental engineering. His Ph.D. in Environmental Sciences and Engineering, along with his status as a Licensed Professional Engineer and Board Certified Member of the American Academy of Environmental Engineers and Scientists, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving environmental chemistry and metals and radionuclides.

SE, PE, CBO, PMP, PMI-ACP

Marcor G. Platt, SE, PE, CBO, PMP, PMI-ACP is a structural and forensic engineering expert specializing in structural design, forensic analysis, and project management. With a career encompassing diverse engineering disciplines, he brings a multifaceted perspective to litigation work involving complex structural and civil engineering issues. His work centers on investigating structural failures, assessing compliance with building codes, and evaluating project management practices. Mr. Platt has been retained in numerous expert witness and consulting engagements across the Southwestern United States, Pacific Northwest, and US Virgin Islands, involving residential, commercial, and industrial building cases. His MS in Civil Engineering, structural emphasis, along with certifications such as Certified Building Official (CBO) and Project Management Professional (PMP), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving structural integrity, construction defects, and environmental compliance.

Security Consultant

Elizabeth Dumbaugh, MS, CPP is a security and premises liability expert specializing in risk management and security management. With a career encompassing military leadership and consulting roles, she brings a strategic and operational perspective to her litigation work. Her work centers on investigating crime foreseeability, assessing reasonable care, and evaluating whether security measures meet industry standards. Ms. Dumbaugh has been retained in numerous expert witness and consulting engagements across the United States, involving commercial properties such as hotels, retail spaces, and entertainment venues. Her M.S. in Criminal Justice from Florida State University, along with her Certified Protection Professional and Crime Prevention Professional certifications, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving inadequate or negligent security.

CAPS, GMB, CGP

Colby J. Walter, CAPS, GMB, CGP is a construction expert specializing in construction defects and management litigation. With a career spanning residential development, commercial construction, and expert witness consulting, he brings a multifaceted perspective to litigation work. His work centers on investigating construction defects, assessing project management practices, and evaluating whether industry standards were met. Mr. Walter has been retained in numerous expert witness and consulting engagements across Utah and Idaho, involving residential and commercial construction cases. His Bachelor of Science in Construction Management, along with certifications such as Certified Green Professional (CGP), Graduate Master Builder (GMB), and Certified Aging-In-Place Specialist (CAPS), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving construction management and defects.

Crisis Leader / Exec Management / Security-Safety / Expert Witness

James McMahon, CISSP, CPP, NACD Leadership Fellow is a security and risk management expert specializing in intellectual property protection and regulatory compliance. With a career spanning law enforcement, information security, and international business, he brings a multifaceted perspective to litigation work. His work centers on investigating compliance breaches, assessing security protocols, and evaluating whether industry standards have been met. Mr. McMahon has been retained in numerous expert witness and consulting engagements across the United States, involving cases in the technology, healthcare, and law enforcement sectors. His Juris Doctor in Law, along with certifications such as Certified Protection Professional (CPP) and Certified Information Systems Security Professional (CISSP), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving information security and risk management.

Police Practices & Use of Force Expert-Attorney

Timothy M. Dixon, Juris Doctor is a Police Practices & Use of Force expert specializing in law enforcement procedures and civil rights litigation. With a career encompassing law enforcement leadership, legal counsel, and academic instruction, he brings a multifaceted perspective to analyzing police conduct and policy compliance. His work centers on investigating police misconduct, assessing use of force incidents, and evaluating whether law enforcement actions align with constitutional standards. Mr. Dixon has been retained in numerous expert witness and consulting engagements across Maryland and Washington D.C., involving police misconduct, civil rights violations, and use of force cases. His Juris Doctor in Law, along with certifications as a member of the Maryland and District of Columbia Bars, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving police practices and constitutional law.

President & CEO

Joshua Weiner, NABCEP is an energy and construction engineering expert specializing in solar PV, energy storage, and microgrid design. With a career spanning solar project development, energy technologies, and policy frameworks, he brings a comprehensive understanding of the technical and regulatory aspects critical to litigation work. His work centers on investigating compliance with industry standards, assessing the viability of energy solutions, and evaluating whether project implementations meet contractual obligations. Mr. Weiner has been retained in numerous expert witness and consulting engagements across the United States, involving utility-scale, commercial, industrial, and residential solar and energy storage projects. His BA in Astrophysics/Astronomy, along with NABCEP certification, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving energy technologies and project execution.

MSN, RN, CNL, CPPS

Caroline A. Strazis, MSN, RN, CNL, CPPS is a Legal Nurse Consulting expert specializing in healthcare systems and operations litigation. With a career spanning patient safety, clinical operations, and regulatory readiness, she brings a comprehensive framework for evaluating healthcare-related legal matters. Her work centers on investigating root cause analyses, assessing clinical decisions, and evaluating procedural errors and complications. Ms. Strazis has been retained in numerous expert witness and consulting engagements across the United States, involving cases of diagnostic error, unexpected death, and procedural complications. Her Masters of Science in Nursing in Health Care Systems-Clinical Nurse Leader specialty, along with certifications such as Clinical Nurse Leader (CNL) and Certified Professional in Patient Safety (CPPS), reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standard of care in disputes involving radiology and healthcare operations.

Professor of Pharmacy Administration

Michael T. Rupp, PhD, FAPhA is a pharmacy administration expert specializing in pharmaceutical economics and health care administration litigation. With a career spanning pharmacy operations, academic leadership, and policy development, he brings a comprehensive understanding of the pharmaceutical landscape to his litigation work. His work centers on investigating medication errors, assessing dispensing practices, and evaluating whether standards of practice have been met. Mr. Rupp has been retained in numerous expert witness and consulting engagements across the United States, involving community pharmacy operations, medication safety, and healthcare policy. His Ph.D. in Pharmaceutical Administration from The Ohio State University, along with his inactive pharmacist licenses in Kansas, Missouri, New Mexico, and Ohio, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standard of care in disputes involving pharmacy administration and medication dispensing practices.

Mechanical Engineer

John D. Zeirke, P.E. is a mechanical engineering expert specializing in accident reconstruction and vehicle fire analysis. With a career spanning mechanical inspections, product liability, and forensic investigations, he brings a comprehensive technical framework to litigation work. His work centers on investigating mechanical failures, assessing product liability claims, and evaluating whether industry standards were met in vehicle accident scenarios. Mr. Zeirke has been retained in numerous expert witness and consulting engagements across the Midwest, involving vehicle accident reconstruction, fire investigations, and mechanical failure analysis. His Bachelor of Science in Mechanical Engineering from Marquette University, along with certifications such as NAFI CFEI & CVFI and ACTAR, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving mechanical systems and vehicle accidents.

Court Qualified Expert Witness

Jack Cohen is a Court Qualified Expert Witness specializing in Automotive Dealership Operations and Real Estate Transactions. With a career spanning over four decades in dealership operations, financial analysis, and real estate lending, he brings a multifaceted perspective to litigation work. His work centers on investigating dealership fraud, assessing real estate loan compliance, and evaluating vehicle valuation disputes. Mr. Cohen has been retained in numerous expert witness and consulting engagements across the United States, involving automotive dealership operations, real estate transactions, and private money lending. His High School Diploma from Grant High School, along with certifications such as the Gemologist Certificate from the Gemological Institute of America and a Licensed Automobile Dealer, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving dealership practices and real estate lending standards.

Insurance Executive

Robert M. Anderson, CPCU is an insurance program development expert specializing in insurance litigation consulting and expert witness testimony. With a career spanning executive leadership in regional and international brokerage firms, as well as insurtech ventures, he brings a strategic and innovative perspective to his litigation work. His work centers on investigating agents and brokers' errors and omissions, assessing underwriting and coverage issues, and evaluating whether industry customs and practices were adhered to. Mr. Anderson has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to property and casualty insurance, fidelity, life and accident, and health insurance. His Business degree from Claremont Men's College, along with his Chartered Property Casualty Underwriter (CPCU) designation, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standard of care in disputes involving insurance agent/broker conflicts, underwriting practices, and coverage interpretation.

M.D., Ph.D., M.B.I.

David B. Ross, M.D., Ph.D., M.B.I. is a pharmaceutical regulation and infectious diseases expert specializing in drug safety, labeling, and post-marketing surveillance. With a career encompassing regulatory science, biomedical informatics, and infectious disease management, he brings a comprehensive regulatory framework to litigation involving pharmaceutical compliance and safety. His work centers on investigating regulatory adherence, assessing drug development processes, and evaluating whether industry standards have been met. Dr. Ross has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to FDA regulations, drug safety, and infectious diseases. His M.D. in Medicine, along with certifications as a Diplomate in Internal Medicine and Infectious Diseases, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving pharmaceutical regulation and infectious disease management.

Attending Physician

C. Gerard Petersen, M.D. is a Pulmonary Critical Care Medicine expert specializing in pulmonary disease, critical care medicine, and sleep medicine litigation. With a career encompassing leadership roles in pulmonary medicine and academic appointments, he brings a comprehensive clinical and administrative perspective to his litigation work. His work centers on investigating pulmonary disease causation, assessing critical care standards, and evaluating whether deviations in sleep medicine protocols occurred. Dr. Petersen has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to pulmonary nodules, lung cancer, and occupational lung diseases. His Doctor of Medicine from Tufts University School of Medicine, along with certifications in Internal Medicine, Pulmonary Disease, Sleep Medicine, and Critical Care Medicine, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving pulmonary and critical care issues.

Associate Professor of Biomedical Engineering

Patrick Jurney, Ph.D., FAHA is a biomedical engineering expert specializing in mechanobiology, microfluidics, and cardiovascular biomaterials. With a career spanning academic research, teaching, and mentorship, he brings a multidisciplinary framework to litigation work involving complex biomedical systems. His work centers on investigating fluid shear stress impacts, assessing endothelial cell function, and evaluating mitochondrial dynamics in cardiovascular pathophysiology. Dr. Jurney has been retained in numerous expert witness and consulting engagements across the United States, involving cardiovascular devices, biomedical engineering, and medical device manufacturing. His PhD in Mechanical Engineering, along with his designation as a Fellow of the American Heart Association, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving cardiovascular biomaterials and device efficacy.