David Paul Horowitz (david@dphpllc.law) founded the Law Offices of David Paul Horowitz, PLLC, practicing throughout the New York Metropolitan area and Statewide, and has represented parties in personal injury, professional negligence, and commercial litigation for over thirty-seven years. In addition to his litigation practice, David acts as a private arbitrator and mediator, as a discovery referee appointed by courts to oversee pre-trial proceedings and as court-appointed ethics counsel, and has been a member of the Eastern District of New York’s mediation panel since its inception and more recently a member of several New York State Court mediation panels. He drafts legal ethics opinions, represents judges in proceedings before the New York State Commission on Judicial Conduct, attorneys in disciplinary matters, and serves as a private law practice mentor. In addition to co-authoring this book with his son, Lukas M. Horowitz, he is the author of Bender’s New York Evidence and New York Civil Disclosure (LexisNexis), the most recent supplement to Fisch on New York Evidence, since 2004 has authored the column Burden of Proof in the NYSBA Journal and with Katryna L. Kristoferson, Esq., and writes the regular column Practical New York Practice in The New York Law Journal. David teaches New York Practice, Professional Responsibility, and Electronic Evidence & Discovery at Columbia Law School and together with Ms. Kristoferson teaches Bias And The Law at Pace Law School. He lectures statewide for the New York State Judicial Institute to judges, law secretaries, and referees, is approved by the Office of Court Administration to conduct Part 146 Advanced Personal Injury Mediation Training, and has conducted that training for OCA and for NYCLA. He is also certified by OCA as a Part 36 Guardian, Court Evaluator, and counsel for AIPs and is a Part 137 Fee Dispute Arbitrator. He serves as an expert witness in legal malpractice, ethics, and legal fee dispute litigation, and is a frequent lecturer and writer on civil practice, evidence, ethics, and alternative dispute resolution issues. He has been a member of the Office of Court Administration’s Civil Practice Advisory Committee since 2001, is active in a number of bar associations, and served as Reporter to the New York Pattern Jury Instruction (P.J.I.) Committee.