Authors - Writers Expert Witnesses: 37

Jason McDonald, PhD, is a expert witness, who specializes in SEO (Search Engine Optimization), Social Media Marketing, and Google Ads (AdWords) and has been retained by clients all over the world. His primary focus for his expert witness work is on digital marketing and online advertising, both organic and paid. 

Background Experience - With a BA from Harvard and a PhD from Berkeley, Dr. McDonald began working at a number of San Francisco Bay Area start ups, ranging from Omnibus, Computer Currents, and MW Media. He also wrote freelance for many years with articles appearing in trade journals and press such as EE Times, Dr. Dobb’s, and Software Development Forum. In 1995, he left MW Media and was one of the co-founders of eg3.com. 

Today, Dr. McDonald is Senior Editor for content at eg3.com and is responsible for website coverage (keywords), the monthly newsletter, and the series of Insiders’ Guides on topics from RTOS to FPGAs. He also is the Senior SEO Director at the JM Internet Group. The author of the best-selling SEO  Workbook, Google Ads, and Social Media Marketing Workbooks on Amazon, Dr. McDonald currently teaches at Stanford University Continuing Studies and has taught at the Bay Area Video Academy (BAVC), and AcademyX in San Francisco, California. 

Litigation Support - Dr. McDonald is certified in both California state court and Federal court to testify as an SEO, Social Media Marketing, and Google Ads (AdWords) expert witness. His cases have involved trademark, advertising, and other internet-related issues. With deposition and trial testimony experience, his services are available to counsel representing both Plaintiff and Defendant.

• SEO Areas of Expertise: Goal Assessment, Keywords, On Page Optimization, Off Page Optimization, Metrics, Rank
• Google Ads (AdWords) Expertise - AdWords Assessment, Keyword Match Types, Search Network vs. Display Network, Conversions and eCommerce, Metrics, Beyond AdWords
• Social Media Expertise - Facebook litigation, Twitter litigation, LinkedIn litigation or any litigation involving social media marketing

View Dr. McDonald's Consulting Profile.

• SEO (Search Engine Optimization)
• Search Engine "Linking" Campaigns
• PPC (Pay Per Click Advertising)
• Web Hosting
• Web Design
• Web Application Development,
• E-Commerce Site Development
• Web Project Management
• Affiliate Marketing
• Improving Online "Conversions"
• E-Mail Publishing
• Online PR
• "Community" Marketing

C. Matthew Curtin, CISSP  Founder and CEO of Interhack is a Certified Information Systems Security Professional. An Expert in Computers and Information Technology, Mr. Curtin and his team at Interhack help attorneys and executives use data and computer technology in high-stakes situations. 

Mr. Curtin's work has been at the cutting edge of the intersection of law and technology. The U.S. Court of Appeals for the First Circuit relied on Interhack's forensic computing practice and Mr. Curtin's expert opinion when it established standards for application of Federal wiretap statutes to Web technology, In re Pharmatrak Privacy Litigation (see link above). 

Academic references to their work include the Stanford Law Review and university courses throughout the world. Mr. Curtin maintains a regular academic appointment as a Senior Lecturer at The Ohio State University's Department of Computer Science and Engineering. He currently chairs the Recruitment subcommittee of the Business Advisory Network that advises the Ohio Department of Education's standards for technology education in secondary and postsecondary schools throughout the state. 

C. Matthew Curtin's services are available for plaintiffs, defendants, and for the courts directly on technical matters. 

Areas of Forensic Expertise:

• Electronic Discovery
• Preservation and Forensic Analysis of Data
• Complex Analysis of Non-Standard Data Sets
• Investigations
• Data Breaches

View Mr. Curtin's Consulting Profile.

Rod Bergen has an extensive education and background in Horse Behavior and Horsemanship. Mr. Bergen is nationally certified as an Advanced (Level III) Horseback Riding Instructor by the American Riding Instructors Association (ARIA) in Dressage, Recreational Riding and Mounted Patrol. He has owned and managed horse training, breeding and boarding facilities for over 30 years. He is a Certified Equine Appraiser and member of the American Association of Equine Appraisers. 

Mr. Bergen is qualified to testify as an Equine Forensic Consultant in the California Superior Courts. He has served as a Horse Expert in over 40 legal cases (including 5 deaths) involving horses and horse facilities. Mr. Bergen is listed with the L.A. County Bar Association as an Equine Forensic Consultant / Expert Horse Witness. Specialties:

• Personal Injury & Property Damage
• Equine Accident Reconstruction
• Horse Facility Evaluations
• Riding Equipment Suitability
• Horsemanship Safety Standard of Care
• Equine Problems & Personal Liability Issues During Competitions
• Trail Riding
• Parades

View Audio Video Design Expert Witness Profile.

View Solar Energy Expert Witness Profile.

Prof. Makarand (Mark) Hastak, PhD, PE, CCP, CRIS, is the Professor and the Dernlan Family Head of Construction Engineering and Management as well as Professor of Civil Engineering at Purdue University. Dr. Hastak has been involved with the construction industry for the past 35 years providing his expertise through consulting, research, teaching, and service to the industry. 

Dr. Hastak is a world renowned expert in the area of construction engineering and management including risk management, profitability of Construction companies, process improvement, disaster risk reduction, resilience and capacity building, infrastructure management, intelligent planning for the built environment, project control, project management decision-making, and strategic planning. As a Fellow of the American Council on Education (cohort of 2013-14) at Cornell University his work focused on the various facets of Hybrid RCM budget, engaged institution, and Public-Private Partnership in academia.

Dr. Hastak is a Professional Engineer (PE), a Construction Risk Insurance Specialist (CRIS), and a Certified Cost Professional (CCP). He  has worked on numerous projects sponsored by the Construction Industry Institute (CII), NSF, State DOTs, and City Agencies. He is the current President of CIB (International Council for Research and Innovation in Building and Construction) and the Chair of the Advisory Board of teh Global Leadership Forum for Construction Engineering and Management programs (GLF-CEM). He also serves as an Academic Advisor to the Downstream and Chemicals Committee of the Construction Industry Institute (CII).

Dr. Hastak  has authored over 200 publications in his areas of expertise. He has co-authored a widely used book on Infrastructure Planning, Engineering, and Economics (McGraw-Hill 2006 and 2015). Dr. Hastak served on the Education Board of the Association for Advancement of Cost Engineering (2004-2016). He was Editor for two AACE books, the Skills and Knowledge of Cost Engineering (6th Ed. 2015) and the CCP Certification Study Guide (2nd Ed. 2016). He was also the Editor-in-Chief of the ASCE Journal of Management in Engineering (2009-2016). 

Dr. Hastak has given over 50 keynotes and invited lectures around the world. As a prominent educator and consultant, he also engages in developing training material and workshops as well as regularly teaching professional courses for the A/E/C industry. His services include consultation, on-site investigation, data collection, assessment, and reporting. He has completed the 30-Hour OSHA Hazard Recognition Training for the Construction Industry 

Dr. Hastak Lectures at the 2015 International Conference on Building Resilience

Litigation Support - Dr. Hastak offers expert witness services to attorneys representing both plaintiff and defendant. He has served as an Expert Witness on twenty-six (26) cases since 2017 and was deposed on eight plus two evidence depositions. His services include case reviews, written reports, depositions, and trial testimony as needed. 

Areas of Expertise:

View Dr. Hastak's Consulting Profile.

Dr. Gerald M. Goldhaber is President & CEO of Goldhaber Research Associates, LLC. Over the past 46 years, he has emerged as one of the nation's leading safety warning communication experts. Dr. Goldhaber has been retained in over 200 lawsuits dealing with the issue of warnings and has written numerous research articles on the subject of effective warning labels. His clients include over 100 of the top 500 corporations in the U.S. and 50 of the top 100 law firms and government agencies including the FDA, USDA, CPSC and the DOD.  He has designed, developed and defended warning labels for International Playtex, Owens Corning Fiberglas, Dr. Pepper Seven Up, Rheem, Otis Elevator, Daikin USA, S. C. Johnson, and the Swimming Pool & ATV Industries.

Dr. Goldhaber has written and edited 11 books on the topic of communication.  His 12th book, MURDER INC.: How Unregulated Industry Kills or Injures Thousands of Americans Every Year...and What You Can Do About It is now in print, was an Amazon Best Seller and named by Kirkus Reviews as one of the top one hundred non-fiction books of 2020.  For the past 14 years, he has published the Goldhaber Warnings Report, which reaches over 10,000 litigators nationwide.  He has served as an analyst for numerous radio and television shows, most recently CNN Tonight. He has been selected as a member of Who's Who in America and Who's Who in the World.

Areas of Expertise: 

Product Liability and Personal Injury

Warning Label Research

Warnings and Safety Communications

Global Forensic Services, LLC (GFS) is a Forensic Consulting, Laboratory and Investigative Firm offering over 44 years of experience and training in a wide range of forensic science and private investigation disciplines.

Larry Stewart has personally examined tens of thousands of individual items of evidence from sources such as state, local, and federal agencies (e.g. Federal Bureau of Investigation, Secret Service, Bureau of Alcohol, Tobacco and Firearms, Central Intelligence Agency, and others), and foreign governments. On several occasions he has examined cases involving international disputes between governments. 

Mr. Stewart has testified as an Expert Witness in state, federal and military courts of law, as well as in foreign court systems to include; Austria, Australia, Canada, Germany, Sri Lanka and Thailand. He has also testified at The Hague in the Netherlands and three times as an expert before the U.S. Congress. 

Areas of Expertise Include:

Katherine Mainolfi Koppenhaver, a Board Certified Document Examiner, has been a document examiner for the past 40 years and has testified in court and deposition over 550 times. She has an international clientele. Her book, "Attorney's Guide to Document Examination," was published by Greenwood Press in 2002. Humana Press has recently released her latest book, Forensic Document Examination, Principles and Practice. She has a  support staff enabling her to handle cases in a timely manner.

Contact Forensic Document Examiners for:

• Examination of Questioned Documents
• List of 101 Places to Look for Handwriting Specimens
• Request Writing Forms and Instructions
• List of Publications
• Fee Agreement Contract
• Fee Schedule
• References

Frederick J. Fisher, JD, is the President of Fisher Consulting Group, Inc., a Professional Liability firm. Since his career began, Mr. Fisher focused on one vision: providing financial security to the client. The result was a successful 40 year career in Specialty Lines Insurance.

Mr. Fisher provides Expert Witness services and Litigation Strategies to attorneys representing Plaintiff and Defense. He testifies regularly as an expert witness in cases dealing with:

• Insurance Broker Standards of Care
• Real Estate Broker Standards of Care
• Third Party Administrator Standards (TPA)
• Claims Handling and Bad Faith
• Wholesale Broker Policies with "gotchya's"

Background Experience:

• For almost 20 years, Mr. Fisher was the Founder of E.L.M. Insurance Brokers, a Wholesale & MGA facility specializing in Professional Liability and Specialty Line Risks. In 1995, he formed what is now known as ELM insurance Brokers, a firm that has acted as an MGA and Wholesale Broker of Professional Liability Insurance and Specialty Lines. From nothing, the firm grew rapidly to a $30 Million dollar facility when sold in 2008
• Mr. Fisher began his career on the service side, as an Independent E&O claims adjuster. In 1982, he bought the Company. In only 4 years, the annual billings increased by 400%
• In 1989, Mr. Fisher became a Founding Member of the Professional Liability Underwriting Society (PLUS), and was elected to the PLUS Board of Trustees in 1993. After serving in all Officer capacities, he was elected President in 1997. He remains a Special Materials Expert for several RPLU courses and is the Senior Technical Advisor for The Professional Liability Manual, first published by the International Risk Management Institute in 1990

For more information on his Litigation Support Services, Email Frederick Fisher at: fjfisher@fishercg.com

View Frederick Fisher's Consulting Profile.

Malcolm S. Cohen, PhD, President of Employment Research Corporation, has over 30 years of experience in the field of Economics and Employment specializing in Labor Markets and Statistical Analysis. 

Dr. Cohen founded the firm in 1997, after retiring as the Director of the Institute of Labor and Industrial Relations at the University of Michigan, which he directed for 13 years. With a PhD in Economics from the MIT in 1967, his research interests include labor market information, labor turnover, employment forecasting and labor shortages. He has directed several major studies to identify national shortage occupations and measure labor turnover using administrative records. 

Dr. Cohen's book, Labor Shortages as America Approaches the Twenty-first Century, was published by the University of Michigan Press. His most recent book, Global Skill Shortages, written with Professor Mahmood A. Zaidi, is published by Edward Elgar Publishing. He has had articles published in a large number of journals, including: Journal of Human Resources, Monthly Labor Review, Journal of Political Economy, Review of Economic Statistics, Journal of Economic Theory, and The American Economic Review. 

Litigation Support - Dr. Cohen has either testified or been a consultant in over 1,000 audits or cases and has testified over 150 times. He has also served as an expert to the EEOC and U.S. Department of Labor in discrimination cases, and has directed many research projects sponsored by government agencies. 

Areas of Expertise:

View Dr. Cohen's Consulting Profile.

As Co-Author of Anatomy of Credit Scores and Founder / President of Easy Credit Relief, Inc., Doug Minor focuses on helping and teaching people how to understand the credit system. Showing them the best ways to use credit and maximize their score. Doug has been reviewing personal credit reports and financial profiles of individuals for more than 30 years. He has happily been quoted and interviewed for articles appearing in FoxBusiness.com, Yahoo! Finance, and Entrepreneur Magazine. During this time he has enjoyed answering thousands of questions regarding credit scores and the information contained in credit reports. Having a pragmatic disposition as well a broad base of experience in business he has the unique knowledge and academics to assess damages. He has performed training classes to audiences of all levels of sophistication including Professional Groups, Lenders, CEO’s, and Consumers. As a respected Expert in Credit Related Damages, Credit Reporting, and Scoring he serves as a litigation consultant / expert witness for those involved in credit reporting, credit scores and quantifing the associated damages.

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) and 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 $600M and earned plaintiffs over $280 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 officer-involved shootings, in-custody deaths, 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
• Human Factors

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 48 years of experience, she consults to attorneys and has been qualified as an expert witness in eleven (12) states - NY, CA, FL, AL, CT, AR, AZ, TN, WA, IA, OH, GA - 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 - "The Dr. Linnda Durre' Show" on WDBO in Orlando (a Cox station) and "Let's Talk with Dr. Linnda Durre' on an NPR station in New York, and two radio interview shows. Her last show was a daily hour-long podcast, entitled, "Linnda Durre' Interviews" 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 was vetted by Mayo Clinic and America's Health Network.

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.

Michael T. Motley, Ph.D. has over thirty-five years of experience in the fields of Communication & Psycholinguistics. Dr. Motley serves as an expert witness for opinions on the  clarity, lack of clarity, and most likely interpretation of common messages such as  warning labels, instructions, advertising, contracts, waivers, and so forth. He has served on over 30 cases; about 2/3 for plaintiff and 1/3 for defense. Dr. Motley is a Professor Emeritus of Communication at the University of California at Davis. He has authored almost 200 books, articles, and research papers in communication and psycholinguistics. He has won eighteen excellence awards for his research and was recognized as among the "Top 1%" of communication scholars of the 1970's, 1980's, and 1990's. Areas of Expertise:

• Communication Messages: Meaning, Ambiguity, Likely and Alternate Interpretations, Communicative Intention
• Adequacy/Inadequacy of Messages: Product Warnings, Instructions, Waivers, Advertisements
• Male / Female Misunderstandings: Sexual Consent/Resistance, Date Rape

Services Offered:

• Expert testimony & Consultation
• Opinion on Adequacy of Communication Messages
• Opinion on Likely Consumer Interpretation of Warnings, Instructions, Advertising
• Opinion on Likely Intrepretation of Sexual Resistance/Consent Messages and Behaviors
• Social-scientific testing of expert opinion (his and others')

View Consulting Profile.

David Ostrove, JD, CPA (Inactive), Mr. Ostrove is a certified specialist in Taxation Law, certified by the California Board of Legal Specialization of the State Bar of California since 1975. He is also a California Certified Public Accountant since 1957 and a California Lawyer since 1960.

Mr. Ostrove is a Professor of Law and Accounting at Southwestern University School of Law in Los Angeles. He is a Past President of the American Association of Attorneys-Certified Public Accountants and a Fellow of the American College of Forensic Examiners.

Mr. Ostrove has authored numerous books on topics within his field of expertise including, "Advanced Corporate Tax Problems"; "Fiduciary Accounting For Estates And Trusts"; "Forensic Accounting" (2 Volumes); "California Community Property - What The CPA must Know"; "Analyzing Financial Statements After Enron - What The Lawyer Must Know"; and "Accounting and Auditing For Trusts & Estates (DVD)." He is a lecturer for the California CPA Foundation, California Continuing Education Of The Bar (CEB), and the Arizona CPA Society.

David Ostrove has been providing litigation support for 35 years. He has testified in numerous cases in both State and Federal Courts. Mr. Ostrove has been employed by lawyers representing defendants and plaintiffs. He offers expert witness testimony in cases involving Legal and Accountant Malpractice, Business Valuations, Tax Accounting Issues, and Economic Damages. He carefully analyzes the facts, law, and accounting principles and presents supportable, timely, clear opinions.

Mr. Ostrove has been given legal authority to act as a Special Master. His services are also available for Mediation and Arbitration.

Areas of Expertise:

View David Ostrove's Consulting Profile.