Find the Right Expert for Every Case

Founder, Scopus Financial Group

Thomas M. Selman, CFA is a regulatory compliance and financial innovation expert specializing in broker-dealer supervision and investment adviser regulation. With a career spanning regulatory leadership at FINRA and founding Scopus Financial Group, he brings a nuanced understanding of financial regulations and compliance frameworks to litigation work. His work centers on investigating regulatory breaches, assessing compliance with financial standards, and evaluating whether industry practices align with legal mandates. Mr. Selman has been retained in numerous expert witness and consulting engagements across the United States, involving securities and investments, financial planning, and white-collar crime cases. His J.D. from the University of Texas School of Law, along with his CFA Charter and CBDA from the Digital Assets Council of Financial Professionals, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of regulatory compliance and responsibility in disputes involving financial innovation and securities regulation.

Founder and Chief Executive Officer

G. Michael Verden, CSC is a security management and risk assessment expert specializing in executive protection, corporate security, and emergency preparedness. With a career spanning roles in the United States Secret Service, the NBA, and strategic security consulting, he brings a comprehensive understanding of high-stakes security operations and risk mitigation strategies to his litigation work. His work centers on investigating security vulnerabilities, assessing risk management protocols, and evaluating whether security measures meet industry standards. Mr. Verden has been retained in numerous expert witness and consulting engagements across the United States, involving high-profile events, corporate security, and public safety. His Master of Science in Criminology, along with his Certified Security Consultant 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 responsibility in disputes involving security management and risk assessment.

Managing Director

Joseph C. Sremack, CFE, CISA, CIPP/US is a forensic technology expert specializing in data analysis, source code examination, and IT system assessment. With a career encompassing leadership roles in forensic data analytics and technology practices, he brings a strategic perspective to litigation involving complex data systems. His work centers on investigating data breaches, assessing software compliance, and evaluating whether enterprise systems meet regulatory standards. Mr. Sremack has been retained in extensive expert witness and consulting engagements across multiple jurisdictions, involving artificial intelligence intellectual property disputes, cross-border telecommunications monitorships, and data privacy litigation. His M.S. in Computer Science from North Carolina State University, along with certifications as a Certified Fraud Examiner, Certified Information Systems Auditor, and Certified Information Privacy Professional, 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 forensic data analysis and software system integrity.

President – REA Group, Adjunct Professor

Dr. John H Murphy, BSc MHSc MBA PhD ROH CIH MACE is an occupational hygiene and environmental health expert specializing in industrial hygiene and infectious disease litigation. With a career encompassing diverse roles in occupational health, safety management, and environmental epidemiology, he brings a multifaceted perspective to his litigation work. His work centers on investigating hazardous material exposure, assessing occupational disease causation, and evaluating compliance with health and safety standards. Dr. Murphy has been retained in numerous expert witness and consulting engagements across North America, involving cases related to asbestos, chemical exposure, and infectious disease outbreaks. His Doctor of Philosophy in Public Health from the University of Toronto, along with certifications such as Certified Industrial Hygienist (CIH) and Registered Occupational Hygienist (ROH), 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 occupational and environmental health issues.

Retired Airline Pilot and Aviation Consultant

Captain Ross Sagun is an aviation safety and human factors expert specializing in Federal Air Regulations (FAR) Part 121 airline and air traffic control operational safety issues. With a career spanning airline piloting, air traffic control, and aviation consulting, he brings a comprehensive understanding of regulatory compliance and crew performance dynamics to his litigation work. His work centers on investigating operational safety breaches, assessing compliance with standard operating procedures, and evaluating whether cockpit-related human factors contributed to incidents. Mr. Sagun has been retained in numerous expert witness and consulting engagements across the United States, involving major airline operations and air traffic control procedural disputes. His Bachelor’s Degree in Economics from the University of California, Berkeley, along with FAA certifications such as the Airline Transport Pilot (ATP) certificate and Certified Flight Instructor (CFI/CFII), 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 aviation safety and regulatory compliance.

Executive Leader

Leroy K. James, MS is a campus safety and security expert specializing in compliance with federal regulations for institutions of higher education. With a career spanning law enforcement, school safety, and security consulting, he brings a comprehensive framework for addressing complex safety challenges in educational environments. His work centers on investigating compliance with the Clery Act, assessing campus security operations, and evaluating emergency management protocols. Mr. James has been retained in numerous expert witness and consulting engagements across Maryland, Virginia, and Washington DC, involving higher education institutions and compliance with federal safety statutes. His M.S. in Behavioral Science from Johns Hopkins University, along with certifications in Jeanne Clery Act Compliance and Title IX Investigations, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of compliance and responsibility in disputes involving campus safety and security operations.

Occupational Safety and Health Consultant

Gregory G. Zigulis, MS, MBA, BSCE, CIH, CSP, B11 LMSS™ is an occupational safety and health expert specializing in OSHA compliance and risk assessment. With a career spanning military bioenvironmental engineering, industrial hygiene management, and environmental health and safety consulting, he brings a multidisciplinary perspective to litigation work. His work centers on investigating serious and fatal injury incidents, assessing compliance with OSHA standards, and evaluating whether safety management systems meet regulatory requirements. Mr. Zigulis has been retained in numerous expert witness and consulting engagements across the United States, involving construction safety programs, multi-employer worksites, and industrial hygiene cases. His Master of Science in Occupational Safety Management, along with certifications such as Certified Safety Professional and Certified Industrial Hygienist, 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 toxic exposures, workplace falls, and equipment-machine accidents.

Clinical, Rehabilitative, Academic, Forensic, Practice Management, CAOHC CD-PS/A, & Consulting Audiologist

Robert M. Traynor, Ed.D., MBA, DFAAA is an audiology expert specializing in forensic audiology and hearing rehabilitation litigation. With a career spanning clinical practice, academic instruction, and audiology consulting, he brings a multifaceted perspective to his litigation work. His work centers on investigating audiological malpractice, assessing hearing and tinnitus rehabilitation, and evaluating whether industry standards were met in audiology practice management. Mr. Traynor has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to audiology malpractice, hearing instrument efficacy, and tinnitus treatment. His Doctor of Education in Special Ed/Audiology, along with certifications such as the American Board of Audiology Certification and the Certificate of Clinical Competence in Audiology, 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 hearing loss and tinnitus.

Vice President

Brent A. Winans, CPCU, ARM is an insurance and risk management expert specializing in insurance agents’ errors and omissions (E&O) claims and insurance coverage issues. With a career encompassing roles in insurance brokerage, corporate risk management, and consulting, he brings a multifaceted perspective to litigation work. His work centers on investigating insurance agent/broker duties, assessing liability in E&O claims, and evaluating whether industry standards were met. Mr. Winans has been retained in numerous expert witness and consulting engagements across fifteen states, involving insurance agents’ E&O claims and insurance coverage disputes. His Bachelor of Arts degree from Lincoln Christian University, along with his Associate in Risk Management (ARM) and Chartered Property Casualty Underwriter (CPCU) designations, 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 insurance agent/broker standard of care.

Attorney at Law

Braden M. Perry, J.D. is a financial regulation and compliance expert specializing in complex regulatory and criminal matters. With a career spanning securities regulation, cryptocurrency, and white-collar defense, he brings a nuanced understanding of the intersection between emerging financial technologies and regulatory frameworks. His work centers on investigating regulatory compliance, assessing financial institution practices, and evaluating whether industry standards have been met. Mr. Perry has been retained in numerous expert witness and consulting engagements across the United States, involving securities, cryptocurrency, and financial institutions. His J.D. in Law from the University of Kansas School of Law, along with certifications such as Certified Anti-Money Laundering Specialist and Qualified Risk Director®, 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 complex financial instruments and regulatory compliance.

P.E., Ph.D.

Christine E. Carrigan, P.E., Ph.D. is a roadway safety engineering expert specializing in highway and roadside safety litigation. With a career spanning highway design, safety research, and engineering ethics, she brings a comprehensive framework to analyzing safety standards and performance evaluations. Her work centers on investigating crash frequency and severity, assessing the effectiveness of roadside safety features, and evaluating whether design deviations impact safety outcomes. Dr. Carrigan has been retained in numerous expert witness and consulting engagements across the United States, involving highway design, roadside safety, and traffic engineering cases. Her Ph.D. in Civil Engineering, along with her certification as a Local Project Administrator and registration as a Professional Engineer in multiple states, 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 roadside hardware and highway safety.

Certified Forensic Consultant

Matthew Furlong CBC, RBC, and ICC member is a construction defects expert specializing in forensic investigations and litigation support related to construction deficiencies. With a career spanning forensic engineering, scientific investigations, and failure analysis, he brings a comprehensive framework to litigation work involving construction claims. His work centers on investigating construction deficiencies, assessing building code compliance, and evaluating whether construction practices meet industry standards. Mr. Furlong has been retained in numerous expert witness and consulting engagements across Virginia, the District of Columbia, and Pennsylvania, involving construction defect cases, building pathology, and structural capability assessments. His Certified Forensic Consultant (CFC) designation from the American College of Forensic Examiners Institute, along with his multiple ICC inspector certifications, 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 construction defects and building code compliance.

Real Estate Brokerage Expert, Manager, Educator, MS

Jane Trust Ryan, MS is a real estate brokerage expert specializing in standards of care, compliance, and fiduciary duties in real estate transactions. With a career spanning brokerage leadership, compliance oversight, and agent training, she brings a comprehensive understanding of real estate operations and regulatory frameworks to her litigation work. Her work centers on investigating agency relationships, assessing compliance with brokerage agreements, and evaluating whether fiduciary duties have been upheld. Ms. Ryan has been retained in numerous expert witness and consulting engagements across the northeastern United States, involving real estate brokerage management, agent misconduct, and broker malpractice cases. Her Master of Science in Education, along with active broker licenses in NJ, NY, and PA, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving real estate transactions and brokerage practices.

Managing Partner

Thomas M. Neches, CPA is a business damages and financial analysis expert specializing in litigation support. With a career spanning accounting, business valuation, and statistical analysis, he brings a comprehensive framework to litigation work. His work centers on investigating lost profits, assessing reasonable royalties, and evaluating whether corporate structures have been misused. Mr. Neches has been retained in numerous expert witness and consulting engagements across the United States, involving antitrust, breach of contract, fraud, intellectual property, and wrongful termination cases. His BA in Mathematics and Literature, along with certifications as a Certified Public Accountant, Accredited in Business Valuation, Certified Valuation Analyst, Certified Fraud Examiner, and Certified in Financial Forensics, 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 complex financial data and business valuations.

Forensic Accounting and Auditing Expert

Jack W. Harris, CPA, CFE, CIA, CVA, CFF, CGMA, MAFF is a forensic accounting and auditing expert specializing in claims and damages analysis. With a career spanning construction, mining, energy, real estate, and insurance sectors, he brings a multifaceted perspective to litigation work. His work centers on investigating financial discrepancies, assessing damages quantification, and evaluating whether fraud has occurred. Mr. Harris has been retained in numerous expert witness and consulting engagements across the United States and internationally, involving construction, mining, energy, and real estate cases. His M.B.A. in Finance, along with certifications as a Certified Public Accountant, Certified Fraud Examiner, Certified Internal Auditor, Certified Valuation Analyst, Certified in Financial Forensics, Chartered Global Management Accountant, and Master Analyst in Financial Forensics, 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 financial management and fraud investigations.

Undersheriff

Christopher Darcy, MA is a police practices expert specializing in use of force, duty to intervene, and in-custody deaths. With a career spanning leadership roles in law enforcement, including serving as Undersheriff of the Las Vegas Metropolitan Police Department, he brings a strategic and operational framework to his litigation work. His work centers on investigating police conduct, assessing compliance with law enforcement standards, and evaluating whether departmental policies were adhered to. Mr. Darcy has been retained in numerous expert witness and consulting engagements across the United States, involving cases of negligent security, wrongful arrest, and civil unrest. His Master of Arts in Administrative Leadership, along with certifications such as the FBI National Academy and NV P.O.S.T. Executive Certificates, 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 police procedures and practices.

MD, PhD, DABPath

Margaret M. Gedde, MD, PhD, DABPath is a forensic toxicology expert specializing in cannabinoid pharmacokinetics and marijuana driving impairment. With a career encompassing clinical pathology, cannabinoid medicine, and forensic toxicology, she brings a multifaceted perspective to her litigation work. Her work centers on investigating forensic toxicology test results, assessing cannabinoid pharmacokinetics, and evaluating whether marijuana impairment influenced driving capabilities. Dr. Gedde has been retained in numerous expert witness and consulting engagements across the United States, involving criminal, civil, employment, parental, regulatory, and patent cases. Her MD from Stanford University School of Medicine and PhD in Biophysical Chemistry, along with her Board Certification in Clinical Pathology, 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 THC impairment and forensic toxicology testing.

PharmD, BCCCP

Dimi Maffia, PharmD, BCCCP is a pharmacy practice expert specializing in critical care and emergency medicine litigation. With a career spanning multiple healthcare systems and roles in acute care, emergency medicine, and medical science liaison, she brings a comprehensive framework to her litigation work. Her work centers on investigating pharmacist standard of care, assessing medication safety, and evaluating whether pharmacological interventions meet regulatory compliance. Ms. Maffia has been retained in numerous expert witness and consulting engagements across the United States, involving cases in critical care, emergency medicine, and pharmacology. Her Doctor of Pharmacy from the University of the Pacific, along with her Board Certified Critical Care Pharmacist certification, 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 adverse drug events and medication safety.