- Hogan Lovells, retired partner, New York, 2010 – present
- Hogan & Hartson, partner, New York and Moscow, 2000 – 2010
- Patterson Belknap Webb & Tyler, partner, New York and Moscow, 1994 – 1999
- Lord Day & Lord, Barrett Smith, partner, New York, 1974 – 1994 and Moscow, 1991 – 1994
- Cravath, Swaine & Moore, associate, New York, 1967 – 1974
- US Army, Captain, staff officer, Intelligence Division, US Army Headquarters, Heidelberg, Germany, 1965 – 1967
- Princeton University, AB 1961, summa cum laude, Phi Beta Kappa
- Harvard Law School, JD 1964
- New York University School of Law, LL.M. 1971
- New York (active)
- District of Columbia (inactive)
- Pennsylvania (inactive)
- United States Supreme Court
- Mr. Pettibone is a founding member of the Board of Directors of the US-Russia Business Council (USRBC), and was a member of its Executive Committee, chair of its Compensation Committee and its outside general counsel from 1993 to 2009. He is now an Honorary Director of the USRBC.
- Mr. Pettibone was counsel to the US-USSR Trade and Economic Council from 1974 to 1992.
- Mr. Pettibone was co-chair of the Investment Committee of the American Chamber of Commerce in Russia (AmCham) from 2000 to 2010.
- Mr. Pettibone was a member of the Board of Directors of the International Tax and Investment Center (ITIC) from 1993 to 2009.
- Member, Council on Foreign Relations
- Member, International Council for Commercial Arbitration (ICCA)
- Member, American Bar Association (ABA), Section on Dispute Resolution
- Member of the steering committees for twelve annual conferences on dispute resolution sponsored by the ABA and RAA and held in Moscow. 2009-2020
- Member, New York State Bar Association, Dispute Resolution Section
- Member, New York City Bar Association and its Arbitration Committee
- Member, CPR’s Arbitration Committee and its Rules Revision Task Force
- Member, International Arbitration Club of New York
- Member, New York International Arbitration Center (NYIAC)
- Class President, Princeton University Class of 1961
- President, The Anglers Club of New York
- Member, New York Yacht Club and Shelter Island Yacht Club
- Member, The Century Association, New York
- Native English speaker
- Proficient in Russian