Professional Ethics Expert Witnesses: 9

Marguerita M. Cheng, CFP®, CRPC®, RICP®, Chief Executive Officer at Blue Ocean Global Wealth, is a Certified Financial Planning Expert with 18 years of experience. Prior to co-founding Blue Ocean Global Wealth, she was a Financial Advisor at Ameriprise Financial and an Analyst and Editor at Towa Securities in Tokyo, Japan. Ms. Cheng is a past spokesperson for the AARP Financial Freedom Campaign and a regular columnist for Investopedia & Kiplinger. She is a CFP® professional, a Chartered Retirement Planning CounselorSM, a Retirement Income Certified Professional® and a Certified Divorce Financial Analyst. As a Certified Financial Planner Board of Standards (CFP Board) Ambassador, Ms. Cheng helps educate the public, policymakers, and media about the benefits of competent, ethical financial planning. She served on the Financial Planning Association (FPA) National Board of Directors from 2013 – 2015 and is a past president of the Financial Planning Association of the National Capital Area (FPA NCA). 

Marguerita Cheng CNBC Interview on Social Security 

Awards and Honors - Ms. Cheng is a recipient of the Ameriprise Financial Presidential Award for Quality of Advice and the prestigious Japanese Monbukagakusho Scholarship. In 2017, she was named the #3 Most Influential Financial Advisor in the Investopedia Top 100, a Woman to Watch by InvestmentNews, and a Top 100 Minority Business Enterprise (MBE®) by the Capital Region Minority Supplier Development Council (CRMSDC).

Litigation Support - Ms. Cheng serves as a Women’s Initiative (WIN) Advocate and subject matter expert for CFP Board, contributing to the development of examination questions for the CFP® Certification Examination. She also volunteers for CFP Board Disciplinary and Ethics Commission (DEC) hearings. Services to attorneys representing plaintiff and defendant include financial due diligence, thorough reporting, depositions, and trial testimony as needed.

Areas of Litigation Expertise:

Reasoning, Inc., led by Dr. Timothy Habick, provides expert forensic linguistic services for trademark disputes, defamation cases, authorship attribution, and document evaluation.

With over two decades of experience, we deliver precise analyses, expert testimony, and solutions rooted in linguistic science and professional standards. 

Our work spans high-profile cases globally, including evaluating trademark confusion, resolving authorship disputes, and ensuring clarity in legal and educational documents. Dr. Habick's expertise in multilingual contexts and AI-detection analysis adds unique value to complex cases. Committed to meticulous, ethical practice, we provide transparent, evidence-based insights to address your language-related challenges effectively

Areas of Expertise:

Professional Affiliations
International Language and Law Association

Germanic Society of Forensic Linguists
International Association of Forensic Linguists (IAFL)

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.

Mitchell L. Lathrop, has over 50 years of experience in the practice of law, and specialized knowledge in Insurance, Reinsurance, and Lawyers' Professional Responsibility. For the past 30 years, Mr. Lathrop has served as a Mediator, Arbitrator and Expert Witness in his fields of expertise. A seasoned trial lawyer, he brings his many years of practice to alternative dispute resolution. 

Mr. Lathrop is admitted to practice in California, New York and the District of Columbia, as well as before the U.S. Supreme Court and the U.S. Courts of Appeals for the Second, Fifth, Ninth, Tenth, District of Columbia and Federal Circuits. Mr. Lathrop is a former Presiding Referee of the California State Bar Court. He serves on the National Panel of the American Arbitration Association and is a Distinguished Neutral of the International Institute for Conflict Prevention and Resolution (CPR), as well as a member of the London Court of International Arbitration. He is the author of "Insurance Coverage for Environmental Claims," published by Lexis-Nexis Matthew Bender. He has qualified as an expert in insurance and legal malpractice in both state and federal courts. 

Areas of Expertise:

• Insurance bad faith and standard of care and conduct
• Reinsurance Law - Property and Casualty insurance
• Treaty and Facultative Reinsurance
• Environmental Insurance
• Complex insurance coverage Issues
• Lawyers' Professional Responsibility

Derek B. Gilboe, PE, a Metallurgical Engineer with over 30 years of experience, focuses on asset integrity using knowledge of metallurgy, materials, and processes in multiple industries on four continents in environments from arctic to desert in onshore and offshore conditions. He brings extensive knowledge in standards and regulations relating to Oil and Gas Piping and Pipelines.

Mr. Gilboe has experience with operators, service providers, and consultants on projects ranging from $100k to over $5 billion. His specialty has been midstream and piping, focusing on forensic engineering, integrity engineering, and failure investigations.

Litigation Support - Mr. Gilboe provide analysis and opinions for legal cases and is open to any client requiring expert witness services for a legal case or an organization requiring fractional engineering services. He can explain complex engineering concepts, principles, methods, and standards in a clear and understandable way. He analyzes, evaluates, and verifies engineering evidence, such as documents, drawings, calculations, tests, experiments, simulations, or models and provides independent and objective opinions on the engineering aspects of a case, such as causation, liability, damages, or remedies.

Areas of Expertise:

William A. Muñoz, Esq., is a Civil Trial Attorney, Legal Ethics Expert, and Third-Party Neutral with over 20 years of experience defending attorneys, and other professionals such as architects and engineers, real estate agents/brokers, real estate appraisers, and insurance brokers, as well as defending personal injury, toxic torts, products liability, defamation, wrongful termination / harassment, wage and hour and discrimination claims.

 Mr. Muñoz is currently a member of the California State Bar Committee on Professional Responsibility and Conduct (“COPRAC”) where the Committee interprets and issues opinions regarding legal ethics and the California Rules of Professional Conduct. Mr. Muñoz also serves as an arbitrator for the State Bar’s Mandatory Fee Arbitration program.

Mr. Muñoz previously served as the Chair for the Legal Malpractice Law Advisory Commission for the State Bar of California Board of Legal Specialization responsible for preparing and grading the legal malpractice law legal specialization examination as well as assessing the qualifications of potential applicants seeking the legal malpractice specialization designation and recertification.

Legal Malpractice Litigation Support - As a Subject Matter Expert, and with his wealth of experience, Mr. Muñoz is prepared to address the nuances of each case. His services are available to attorneys representing injured parties in the following areas:

Mr. Muñoz also serves as a Dispute Resolution Conference judge for El Dorado County Superior Court, a judge pro tem for Sacramento County Superior Court’s Settlement Conference Department, and more recently, a mediator for the Third District Court of Appeals Mediation Program. His approach is further informed by the renowned Straus Institute for Dispute Resolution at Pepperdine University Caruso School of Law mediation training program and the National Conflict Resolution Center mediation training program.

An expert in his field, Mr. Muñoz has presented locally and nationally on issues of legal malpractice, conflicts of interests and legal ethics and regularly contributes a column in the Association of Defense Counsel for Northern California and Nevada’s Defense Comment entitled “The Lawyer’s Lawyer” addressing issues of legal malpractice avoidance and legal ethics.

View Muñoz Dispute Resolution's Consulting Profile.

Nancy M. McClellan, MPH, CIH, CHMM, is an award winning, Industrial Hygiene and Safety expert with over 25 years of broad international experience practicing, teaching and authoring to anticipate, recognize, evaluate, control and prevent workplace health and safety hazards in high hazard industries.

 Prior to her independent expert and consulting practice, Ms. McClellan practiced industrial hygiene management as a Board Certified Industrial Hygienist on a global scale for both AbbVie, a major producer of highly potent biopharmaceuticals and LafargeHolcim, the world’s largest building materials corporation.

She currently provides industrial hygiene and safety legal expert, management, training, and select field services to sectors such as the pharmaceutical, automotive, military, hospital, electronic, food, chemical, and commercial real estate industries. 

She is the Chair of the University of Michigan Graduate School of Public Health COHSE External Advisory Board and an international AIHA Distinguished expert lecturer.

Ms. McClellan is domestically and internationally recognized for leadership service to the IH profession for the American Industrial Hygiene Association (AIHA), the American Board of Industrial Hygiene (ABIH), the Occupational Hygiene Training Association (OHTA) and the Joint Industrial Hygiene Ethics Education (JIHEEC) Boards of Directors and Committees. She currently serves on the AIHA Executive Board of Directors.

As a result of her well-practiced ability to describe science in lay terms, Ms. McClellan was interviewed in October 2020 on the ABC Network’s Good Morning America program regarding Covid pandemic controls, as well as a number of ABC News and professional journal articles regarding the association between HVAC systems, Indoor Air Quality and the Covid pandemic to advance public and worker health protections.

Ms. McClellan has extensive expertise in Pandemic, Covid-19 Response Management, including chemical and non-chemical disinfectant exposure evaluation and real estate/facility controls.

Good Morning America Pandemic / Indoor Air Interview 

Litigation Support Goal - Nancy McClellan seeks to continue a 50/50 defense/plaintiff practice that presents challenging cases determining worker and/or public exposure to chemical, biological, physical or ergonomic hazards. Her services include thorough review, reporting, depositions, and trial testimony.

Areas of Expertise:

• Chemical and biological airborne and dermal exposure assessment and modeling
• Bioaerosol Assessment and Pandemic Control Programs 
• Indoor Air Quality and Air disinfection Technologies Evaluation
• H&S Policy and Program Development and Audits
• Highly Potent Compound Containment 
• Workplace Hazard Risk and Exposure Assessment 
• USP 800 Safe Hazardous Drug Handling Conformance
• Hearing Conservation Program Development and Controls
• Respiratory Protection Evaluation and Program Development
• Worksite Ergonomic Evaluation and Controls

View Nancy McClellan's Consulting Profile.

“We settled the case...for $5 million. Your report played a huge role in that.  Thank you for everything!”  Nick H. 

Beth A. Mohr, CFE, FSA, CFCS, CAMS, CCCI, MPA, PI, is a Police Practices expert with over 30 years of sworn and non-sworn investigative experience.  Ms. Mohr has testified as an expert in numerous state and federal court proceedings, depositions, and administrative hearings in federal and state courts, including New Mexico, Ohio, Illinois, Arizona, California, and Washington State.  Ms. Mohr has testified on a variety of subjects, including police procedures, police misconduct, white-collar crime, and fraud examinations.  Her expertise has been verified by the courts via a Daubert challenge, in which Ms. Mohr was found to be qualified as an expert in police practices generally, and well as the specific areas of interviewing, interrogation, false and recanted confessions, cognitive bias, investigations and investigative failures, vice, and human trafficking.  Ms. Mohr is neutral, fair, and her opinions are rooted in provable facts, as well as academic literature, where appropriate.  She strives to balance her cases between defense and plaintiff-sided cases, and also provides habeas consulting services.  

Ms. Mohr is credentialed as a Nationally Certified Law Enforcement Instructor by the IADLEST, and is one of fewer than 150 individuals who have been nationally certified as an expert law enforcement instructor.  She is a Certified Fraud Examiner, Certified Force Science Analyst (FSA) Certified Anti-Money Laundering Specialist (CAMS), Certified Financial Crimes Specialist (CFCS) and a Certified Cyber Crimes Investigator (CCCI).  She is also a Private Investigator (PI) licensed in New Mexico, Arizona, Texas, and California.  

Areas of Expertise:

• Police Practices and allegation of Police Misconduct
• Excessive Force, Deadly Force & Use-of-Force
• Taser, ECWs, and other uses of force intended to be less-lethal
• Interviewing, Interrogations & False and Recanted Confessions
• Police Ethics
• Investigative Failure, Cognitive Bias, Confirmation Bias
• Habeas Consulting, including death penalty cases
• False Arrest
• Failure to Train / Failure to Supervise               
• Evidence Handling
• Police Policy, SOPs
• Fraud & White-Collar Crime
• Vice & Human Trafficking
• Money-Laundering Cases
• Cryptocurrencies / Bitcoin
• Retaliation & Qui Tam
• Workplace Violence & Sexual Harassment
• Private Investigations & PI Failures

During her career with the San Diego Police Department, Ms. Mohr was awarded three Commanding Officer’s Citations, which were the highest awards offered by the San Diego Police Department for investigative acumen at the time.  After retiring from the San Diego Police Department, she conducted death penalty mitigation investigations and other complex felony investigations, including homicide and white-collar cases, for the Whatcom County, Washington, Public Defender’s Office.  This includes conducting investigations of allegations of police misconduct for the City of Albuquerque Independent Review Office. Ms. Mohr recently chaired the City of Albuquerque’s Police Oversight Board, a civilian board that was created as part of the US Department of Justice’s Consent Decree with the City of Albuquerque and the Albuquerque Police Department.

Ms. Mohr has published a chapter entitled “Skepticism”, in the newly-released book The Art of Investigation Revisited, as well as having penned articles for bar journals and other peer-reviewed publications.  Ms. Mohr has taught courses on law enforcement topics, including interviewing techniques, investigative ethics, evidence collection, financial and fraud investigations, and many other topics. Her ethics courses, investigative courses, and fraud courses are certified for law enforcement credit.

Larry Lowenthal is a nationally recognized Real Estate Expert Witness who has been retained by dozens of attorneys across the United States since 2003 to analyze failed or troubled real estate transactions. 

Based in North Central Florida, he is also retained to help with substantial commission or fee disputes.

Insurance Defense attorneys retain Larry when their broker clients are charged, while plaintiffs and their attorneys retain him when charging real estate brokers with improper conduct.