Find the Right Expert for Every Case

CPA, CFE, CFF, ABV

Jennifer A. Oyadomari, CPA, CFE, CFF, ABV is a forensic accounting expert specializing in litigation support services. With a career encompassing financial accounting, business valuation, and fraud investigation, she brings a multifaceted perspective to her litigation work. Her work centers on investigating financial discrepancies, assessing economic damages, and evaluating whether business valuations align with industry standards. Ms. Oyadomari has been retained in numerous expert witness and consulting engagements across Nevada, involving cases in the cannabis industry, shareholder disputes, and marital dissolutions. Her Master of Science in Accounting, along with certifications as a CPA, CFE, CFF, and ABV, 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 forensic accounting and business valuation.

PHR

Erin L. Shelby, PHR is an employment and human resources expert specializing in workplace investigations and employment-related litigation. With a career spanning diverse sectors including government, healthcare, and architecture, she brings a multifaceted perspective to her litigation work. Her work centers on investigating workplace misconduct, assessing compliance with employment laws, and evaluating whether reasonable accommodations were provided. Ms. Shelby has been retained in numerous expert witness and consulting engagements across California, involving cases of disability leave, wrongful termination, and workplace discrimination. Her Bachelor of Arts in Business Administration from the University of Washington, along with her certification as a Professional in Human Resources (PHR), 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 employment practices and workplace policies.

Civil Rights Consultant & Attorney

Jacqueline Gharapour Wernz is a civil rights and education law expert specializing in Title IX compliance and civil liberties risk management. With a career encompassing roles in legal consultancy, university administration, and federal civil rights investigation, she brings a multifaceted perspective to her litigation work. Her work centers on investigating institutional compliance, assessing civil rights obligations, and evaluating whether educational entities meet federal and state regulatory standards. Ms. Gharapour Wernz has been retained in numerous expert witness and consulting engagements across the United States, involving K-12 and higher education institutions, civil rights compliance, and Title IX cases. Her J.D. in Law from The University of Virginia School of Law, along with her extensive experience in civil rights and education law, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of compliance and responsibility in disputes involving civil rights and educational law.

Sheriff’s Sergeant (Ret.) | Police Practices & Criminal Investigations Expert

Anthony D. Turnbull, Sheriff’s Sergeant (Ret.) is a police practices and criminal investigations expert specializing in law enforcement procedures and investigative oversight. With a career spanning patrol, criminal investigations, and personnel supervision, he brings a comprehensive framework to litigation work involving police conduct and investigative protocols. His work centers on investigating officer-involved shootings, assessing in-custody death investigations, and evaluating whether law enforcement actions align with constitutional standards. Mr. Turnbull has been retained in numerous expert witness and consulting engagements across federal jurisdictions, involving cases such as wrongful convictions, malicious prosecution, and Monell liability. His Bachelor of Arts in Ethnic Studies, along with POST ICI & AICC Instructor and POST Drug Recognition Evaluator (DRE) 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 police practices and criminal investigations.

Bicycle Expert

J Lucas Elrath, Bicycle Expert is a bicycle accident reconstruction expert specializing in commercial and personal injury litigation involving bicycles and wheeled vehicles. With a career encompassing bicycle design, manufacturing, and maintenance, he brings a comprehensive understanding of how these elements impact rider safety and accident causation. His work centers on investigating crash dynamics, assessing design and manufacturing defects, and evaluating whether maintenance practices contributed to accidents. Mr. Elrath has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to bicycle design, manufacturing defects, and crash reconstruction. His B.S. in Electrical Engineering, along with certifications such as E-Bike Fundamentals Certification and Certified Bicycle Technician, 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 bicycle accidents and related safety issues.

Executive Leader, Consultant, and Expert Witness

Dr. Saralyn Grass, Ed.D. is an Education & Schools expert specializing in school safety and instructional leadership litigation. With a career encompassing executive leadership in youth development and educational policy, she brings a strategic oversight perspective to litigation work. Her work centers on investigating compliance with daycare standards, assessing negligence in child injury cases, and evaluating whether mandated reporting protocols were followed. Dr. Grass has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to early childhood education, organizational performance, and child safety standards. Her Doctor of Education in Educational Policy & Leadership, along with her Master of Science in Human Development & Family Studies, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standards of care in disputes involving early education and childcare licensing.

Operations Leader, Technical Engineer, Business Professional

Mark R. Malone, BS is an oil and gas engineering expert specializing in completions, hydraulic fracturing, and stimulation operations. With a career spanning technical engineering, operations leadership, and business management, he brings a strategic growth and capital efficiency framework to his litigation work. His work centers on investigating operational safety practices, assessing engineering project management, and evaluating whether industry standards in drilling and completions were met. Mr. Malone has been retained in numerous expert witness and consulting engagements across the United States, involving complex oil and gas litigation cases. His BS in Agricultural Engineering, along with his extensive industry affiliations, 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 oil and gas operations and engineering practices.

P.E., R.L.S.

James D. Wamble, P.E., R.L.S. is a civil engineering and land surveying expert specializing in land use planning and real estate development disputes. With a career spanning civil engineering design, land surveying, and land planning, he brings a multidisciplinary framework to litigation work. His work centers on investigating boundary disputes, assessing land use compliance, and evaluating whether engineering standards have been met. Mr. Wamble has been retained in numerous expert witness and consulting engagements across Tennessee, involving cases related to land condemnation, eminent domain, and real estate development. His Bachelor of Science Degree in Civil Engineering, along with his certifications as a Professional Engineer and Registered Land Surveyor, 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 design, drainage, and zoning issues.

Law Enforcement and Security Professional

Clinton Smith is a law enforcement and security expert specializing in police practices and procedures. With a career spanning internal affairs, crisis management, and security operations, he brings a multifaceted perspective to litigation work. His work centers on investigating criminal and background investigations, assessing crisis and risk management, evaluating whether security and safety assessments meet regulatory compliance. Mr. Smith has been retained in numerous expert witness and consulting engagements across California, involving law enforcement practices, security operations, and crisis management. His POST Background Investigator certification, along with his Advanced POST Certificate, 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 practices and procedures.

Principal Consultant

Scott M. Drouin, Ph.D. is a toxicology expert specializing in cases involving respiratory diseases related to airborne exposure to environmental substances. With a career encompassing toxicology, immunology, and lung physiology, he brings a multidisciplinary approach to litigation work, particularly in assessing the risk of respiratory illnesses from environmental contaminants. His work centers on investigating exposure to drugs and alcohol, assessing the risk of respiratory diseases from environmental substances, and evaluating whether medical documentation aligns with alleged exposures. Dr. Drouin has been retained in numerous expert witness and consulting engagements across the United States, involving cases of workers' compensation, toxic torts, and environmental exposure. His Doctorate in Microbiology from the University of Alabama at Birmingham, along with his extensive laboratory research experience, 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 toxicological and environmental exposure issues.

Expert Witness

Raymond P Gessner, M. Eng, P.E. is a Structural Engineering and Forensic Science expert specializing in hail, wind, and foundation damage litigation. With a career encompassing diverse engineering disciplines, he brings a multifaceted perspective to his litigation work. His work centers on investigating structural failures, assessing damage causation, and evaluating whether industry standards were met. Mr. Gessner has been retained in numerous expert witness and consulting engagements across various regions, involving residential property damage, insurance denial cases, and natural disaster impacts. His Master Engineering degree from Old Dominion University, along with certifications such as Licensed Professional Engineer (P.E.) and HAAG Certified Master Damage Inspector, 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 and environmental damage.

Associate Professor

Morris D. Argyle, Ph.D., Professional Engineer is a chemical engineering expert specializing in petroleum refining and chemical process engineering safety. With a career encompassing academic leadership and industrial operations, he brings a robust understanding of process safety management and risk assessment to his litigation work. His work centers on investigating fluid catalytic cracking operations, assessing refinery process safety, and evaluating whether industry standards were met in chemical plant designs. Mr. Argyle has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to petroleum refining, chemical plant safety, and heterogeneous catalysis. His Ph.D. in Chemical Engineering from the University of California at Berkeley, along with his Professional Engineer registration in Texas, 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 chemical process safety and refinery operations.

Educator and Coach

Timothy Edward Staycer, M.A., B.A. is a special education and athletics expert specializing in individualized education programs (IEPs) and student-athlete safety. With a career spanning special education teaching, athletic coaching, and union leadership, he brings a multifaceted perspective to litigation work involving educational compliance and sports safety. His work centers on investigating IEP implementation, assessing coaching practices, and evaluating whether educational standards are met. Mr. Staycer has been retained in numerous expert witness and consulting engagements across California, involving special education compliance and athletic program safety. His M.A. in Special Education, along with certifications such as the Sudden Cardiac Arrest Training Certificate of Completion and Concussion in Sports Learning Center Certificate of Completion, 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 educational practices and athletic safety protocols.

President

Ken Karston, S.E., P.E. is a structural engineering expert specializing in construction defects and building envelope investigations for water infiltration. With a career spanning design, forensic investigations, and construction administration, he brings a comprehensive framework to litigation work involving structural integrity and compliance. His work centers on investigating construction defects, assessing building conditions, and evaluating whether structural designs meet industry standards. Mr. Karston has been retained in numerous expert witness and consulting engagements across the United States, involving residential, commercial, and historic building cases. His Bachelor of Science in Civil Engineering from the University of Illinois at Chicago, along with his certifications as a Registered Structural Engineer in Illinois, Nevada, and Utah, and as a Registered Professional Engineer in multiple states, 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 engineering and construction practices.

President and Founder

David Hilliard Williams is a wireless and IoT technology expert specializing in product and technology development, implementation, and intellectual property litigation services. With a career spanning telecommunications, geotechnical engineering, and location-based services, he brings a multifaceted perspective to his litigation work. His work centers on investigating GPS and network-based location determination systems, assessing wireless 911 and NG911 technologies, and evaluating IoT data privacy and security. Mr. Williams has been retained in numerous expert witness and consulting engagements across the U.S., involving patent, ITC, and criminal litigation, as well as civil trade secrets and product liability cases. His MBA in Information Systems Management from The University of Texas at Austin, along with his BSEE in Digital System Design from Purdue University, 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 wireless communications and IoT systems.

FSA, MAAA

Jeremy Starr, FSA, MAAA is an actuarial and insurance expert specializing in life reinsurance and related disputes. With a career spanning leadership roles in reinsurance product development, life insurance securitization, and regulatory advocacy, he brings a strategic and regulatory framework to his litigation work. His work centers on investigating reinsurance contract compliance, assessing premium rate adjustments, and evaluating underwriting authority disputes. Mr. Starr has been retained in numerous expert witness and consulting engagements across the United States, involving cases such as yearly renewable term premium rate increases, reinsurance recapture rights, and tax status of life reinsurance agreements. His Bachelor of Arts in Physics and Mathematics from Binghamton University, along with his FSA and MAAA 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 responsibility in disputes involving life reinsurance coverage issues.

Certified Public Accountant

Michael Goldman, Certified Public Accountant, Certified Valuation Analyst, Certified Fraud Examiner, Certified in Financial Forensics, Master of Management is a forensic accounting and economic damages expert specializing in litigation support for fraud, insolvency, and business valuation cases. With a career spanning forensic reviews, corporate reorganizations, and bankruptcy advisory, he brings a strategic perspective to analyzing financial discrepancies and assessing economic damages. His work centers on investigating fraudulent activities, assessing economic damages, and evaluating whether financial misstatements have occurred. Mr. Goldman has been retained in numerous expert witness and consulting engagements across the United States, involving cases of fraud, shareholder disputes, and insolvency. His Master of Management in Finance and Accounting from Northwestern University, along with certifications as a Certified Public Accountant, 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 and responsibility in disputes involving financial fraud and economic damages.

Principal Engineer

Cassandra K. Moody, M.S, P.E. is a midstream pipeline engineering expert specializing in integrity management and risk-informed solutions. With a career encompassing midstream operations and integrity engineering, she brings a practical, field-based perspective to her litigation work. Her work centers on investigating pipeline failures, assessing compliance with safety regulations, and evaluating whether operational standards have been met. Ms. Moody has been retained in numerous expert witness and consulting engagements across the United States and Canada, involving cases related to pipeline safety, construction practices, and regulatory compliance. Her Master of Science in Environmental Engineering, along with her certification as a Licensed Professional Engineer in Texas, 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 pipeline integrity and safety.