Admitted to practice in California and Missouri. Member, United States Supreme Court Bar, United States Claims Court Bar, Ninth Circuit Bar, Eighth Circuit Bar, Seventh Circuit Bar, Sixth Circuit Bar, Fourth Circuit Bar, Second Circuit Bar, First Circuit Bar, Federal Circuit Bar.
Certified Specialist, Appellate Law, The State Bar of California Board of Legal Specialization.
Member, State Bar of California; Member, Appellate Courts Committee, 1978-1982; Chair, 1981-1982; Member, Condemnation Committee, 1985-1988.
Member, California Academy of Appellate Lawyers; President, 1980-1981.
Fellow, American Academy of Appellate Lawyers, 1997-present.
Member, American College of Real Estate Lawyers, 1988-present.
Member, Center for American and International Law; Member, Advisory Board, Municipal Legal Studies Center, 1989-present; Vice-Chair, 1998-2004; Chair, 2004-present.
Adjunct Professor of Law, LL.M. program in Real Property Development, University of Miami School of Law, 1996-present.
Member, Owners Counsel of America.
Member, Advisory Board, California Land Use Law & Policy Reporter.
Member, American Bar Association; Real Property, Probate and Trust Law Sections; State and Local Government Law.