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Gregory P. Miller, Esq.

Gregory P. Miller, Esq.

JAMS Mediator, Arbitrator and Referee/Special Master

General Biography
Practice Areas
Class Action/Mass Tort
Employment Law
Health Care
Smart Contracts & Blockchain
Special Master Discovery Referee
Honors, Memberships, and Professional Activities
Background and Education

Gregory P. Miller, Esq. is a renowned attorney known for his deep experience in a wide range of practice areas including securities, insurance, business/commercial, employment, and health care. He has represented clients, both plaintiffs and defendants, in local and national matters of great complexity. Mr.  Miller has represented   several governmental entities such as the City of Philadelphia and the City of Chicago in compliance and employment matters and the Insurance Department for the Commonwealth of Pennsylvania in insurance, regulatory, and reinsurance matters.

Mr. Miller was a partner in the firm Drinker Biddle & Reath LLC and served as one of its managing partners. Prior to joining Drinker Biddle, he was the majority and founding shareholder of Miller, Alfano & Raspanti, P.C. He entered into private practice in 1984 after almost a decade of public service, first as an officer in the United States Navy, Judge Advocate General’s Corp. and later as a federal prosecutor of the United States Attorney’s Office in Philadelphia.

Mr. Miller is a frequent lecturer, adjunct professor, and expert witness in the area of legal ethics.

ADR Experience and Qualifications

  • Served as the Arbitrator in an action alleging claims of Breach of Contract, Breach of Fiduciary Duty, Fraud and Unjust Enrichment in connection with the purchase of Cryptocurrency.
  • Served as the Arbitrator in an action alleging claims of Breach of Contract, and Breach of Fiduciary Duties for failure to make required distributions under the terms of a Limited Partnership Agreement.
  • Served as Lead Counsel in an Arbitration involving a dispute over the valuation of a purchase price adjustment provision of an acquisition agreement.
  • Served as Lead Counsel in an Arbitration involving an alleged breach of a non-disclosure agreement related to the development and construction of a data center.
  • Served as a Mediator in a dispute regarding the valuation of the ownership interest in a dialysis center.
  • Served as a Mediator in an employment action alleging discrimination under the Americans with Disabilities Act.
  • Served as a Mediator in an employment action alleging discrimination on the basis of race.
  • National Special Master – Fen-Phen Litigation (1998–2016)
    • Mr. Miller is nationally known for his significant role as Special Master in the Multi-District Litigation matter In Re: Diet Drugs Products Liability Litigation, MDL No. 2103
    • Mr. Miller was first selected by the Honorable Louis Bechtle to serve as a Special Discovery Master. His role was subsequently expanded as a result of the Court’s approval of a class action settlement.
    • His service as Special Master was continued by the Honorable Harvey Bartle, III, when Judge Bartle assumed responsibility for this matter.
    • Mr. Miller served as Special Master for 18 years, providing primary oversight of the resolution of discovery disputes involving electronic discovery and privilege issues. Mr. Miller directed the settlement implementation and administration including the supervision of a team of lawyers and paralegals responsible for monitoring the progress of claim payments in approximately 30,000 plaintiffs and 14,000 cases. Mr. Miller and his staff also supervised an arbitration and claims payment process, an escrow account for attorneys’ fees, and provided other support as requested by the District Court.

Representative Matters

  • Business/Commercial
      • Lead Counsel, Leinheiser v. Dusenbery Worldwide, April Term 2009, No. 1891 (Phila. Cty. Ct. Com. Pl.) (Products Liability Claims related to manufacturing equipment) Leinheiser v. Dusenbery Worldwide, April Term 2009, No. 2072 (Phila. Cty. Ct. Com. Pl.) (Related Case)
      • Lead Counsel, Exxon Mobil Corp. v. Tredegar Corp., 1:11-cv-02829-MGC (S.D.N.Y.) (Claim under indemnification provision of a purchase agreement)
  • Class Action/Mass Tort
      • Lead Counsel, Ciamaichelo v. Indep. Blue Cross, 589 Pa. 415, 909 A.2d 1211 (2006) (Class Action claim based on alleged failure by non-profit corporation to distribute excess surplus)
      • Lead Counsel, In re DVI, Inc. Securities Litigation, 03-CV-5336-LDD (E.D. Pa.) (Class Action securities case related to restatement of Financial Statements)
      • Lead Counsel, Class Action alleging age discrimination in the promotion and retention of boiler operators at schools within the Philadelphia School District
  • Health Care
      • During his years as a federal prosecutor, Mr. Miller became nationally known for his experience and expertise in the health care enforcement area. As an Assistant United States Attorney and Chief of the Criminal Division, prosecuted the landmark health care fraud case, United States v. Greber, which established new law in the area of Medicare kickbacks. Mr. Miller has experience in the general healthcare area on billing issues, fraud and abuse, Stark regulations and whistleblower claims. 
  • Insurance
      • Mr. Miller served as counsel to the Insurance Commissioner of Pennsylvania in his role as Rehabilitator of the Mutual Fire, Marine and Inland Insurance Company. In this role, Mr. Miller led a team of lawyers in recovering millions of dollars on behalf of this insolvent estate. One of the recoveries, a $51 million settlement in the case, Foster v. Alexander & Alexander Services, Inc., 1995 WL 27447 (ED. Pa) was recognized by Pennsylvania Law as the largest of the 25 largest Awards & Settlements in Pennsylvania in 1995. This and other recoveries enabled Mutual Fire to be successfully rehabilitated.
      • Mr. Miller successfully defended Act 6, a comprehensive automobile insurance reform bill, from all challenges brought by the insurance industry and medical professionals. Act 6 was created by Pennsylvania Governor Robert Casey, who specially chose Mr. Miler to defend the bill. The Reform provisions of Act 6 have served as a model to numerous other states.
  • Securities
      • Mr. Miller is specifically respected for his experience involving high-profile cases on behalf of publicly held companies in the areas of securities and consumer class actions and shareholders derivative actions. Clients include the Philadelphia Stock Exchange, John Bennett (while CEO of the New Era Foundation), a Big Four accounting firm, the Insurance Commissioner of Delaware, and many others.
      • Resolved disputes with the S.E.C. and the C.F.T.C. involving allegations of late trading, market timing, and the improper management of a hedge fund
  • Additional Select Representative Matters
      • The Republic of Iraq v. ABB Ag et al., 920 F. Supp. 2d 517 (S.D.N.Y.  2013) (RICO action by the Republic  of Iraq alleging fraud against companies involved the Oil for Food Programme)
      • Harris v. Exxon Mobil Corporation, 2:07-cv-00403-TJS (E.D. Pa.) (Personal injury claims associated with pipeline explosion.) Myers v. Exxon Mobil Corporation, 2:07-cv-03320-PD (E.D. Pa.) (Related Case) Fernandes v. Exxon Mobil Corporation, 5:08-cv-00596-PD (E.D. Pa.) (Related Case)

Honors, Memberships, and Professional Activities

Completed Virtual ADR training conducted by the JAMS Institute, the training arm of JAMS.

  • Select Honors
    • J. Austin Norris Award, Barristers’ Association of Philadelphia, 2008
    • Exceptional Service Award, U.S. Department of Health & Human Services, 1984
  • Memberships
    • Founding Member, Academy of Court Appointed Masters
    • Member, Board of the Defender Association of Philadelphia, 2012–2016 Advisory Board Member, Pennsylvania Innocence Project, 2010-2016
    • Member, Criminal Justice Act Panel Selection Committee for the United States District Court for the Eastern District of Pennsylvania, 2012-2016
    • Chambers USA: America’s Leading Lawyers for Business (White-Collar Crime and Government Investigations), Band 1, 2012-2012
    • Pennsylvania Board of Law Examiners, 2002-2008, Board Chair, 2007-2008 Fellow, International Society of Barristers, 1995-2008
    • Board of Directors, Health Care Compliance Association, 1998-2001 Disciplinary Board of the Supreme Court of Pennsylvania, 1994-2000 Fellow, American College of Trial Lawyers, 1998
  • Select Publications
    • “Risky Business?: Personal Liability of Outside Directors inside a Corporate Insolvency,” Mealey’s Litigation Report: Insurance Insolvency, Summer, 2005
    • “Finding and Using Your Moral Compass: An Attorney’s Guide to Ethical Conduct,” The Philadelphia Lawyer, Fall 1999, Vol. 62, No. 3
    • “Government Regulators Seek to Influence Health Care Ethics,” Journal of Health Care Compliance, March/April, 1999
  • Select Presentations
    • 2011 ABA Sections of Litigation and Criminal Justice Joint Conference, Guidelines for Conducting Internal Investigations in High Profile Public Matters, 2011
    • DELVACCA 3rd Annual In House Counsel Conference, Benefits and Hazards of Internal Investigations in a Highly Regulated Environment, 2011
    • ICI’s General Membership Meeting Legal Forum, New Avenues of Disclosure Liability for Mutual Funds, Advisers and Boards, 2009
    • 12th Annual Insurance Institute, Merging Coverage – Terrorism and D&O Issues, 2008
    • Health Care Compliance Association’s Region III Best Practices Forum, Professional Issues for the Compliance Professional, 1999
    • Pennsylvania Bar Institute’s Fifth Annual Business Lawyers’ Institute, Corporate Compliance, 1999
    • Washington G2 Reports’ 17th Annual Program Lab Institute, Measuring Your Program’s Effectiveness: Compliance Pont/Counterpoint, 1999

Background and Education

  • Drinker Biddle & Reath LLP, 2008-2016
  • Miller, Alfano & Raspanti, P.C., 1989-2007
  • Hoyle Morris & Kerr, 1985-1989
  • United States Attorney’s Office, Eastern District of Pennsylvania, 1978-1984
  • United States Navy, 1975-1978
  • J.D., Case Western Reserve University School of Law, 1975
  • B.A., Mount Union College, 1972


This page is for general information purposes.  JAMS makes no representations or warranties regarding its accuracy or completeness.  Interested persons should conduct their own research regarding information on this website before deciding to use JAMS, including investigation and research of JAMS neutrals. See More

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