Legal intern Law Offices of Goldring and Nernberg, 1968-1969. Research fellow Fletcher School Law and Diplomacy, Tufts University, Boston, 1971-1972. Assistant attorney general Bureau Consumer Protection, Department Justice, Pennsylvania, 1972-1973.
Attorney, trial attorney-finance, legal assistant to commissioner, senior counsel United States Securities and Exchange Commission, Washington, 1973-1985. Partner Lewis, D'Amato, Brisbois & Bisgaard, Los Angeles, 1985-1994. Attorney private practice, since 1994.
Program chairman Glendon Tremain Symposium, Los Angeles, 1991, International Securities, Regulations, Trading and Transactions Symposium, Los Angeles, 1991, Recent Devels. in Securities and Commercial Arbitration, Los Angeles, 1989, Recent Devels. in Securities Class Actions, Los Angeles, 1988. Co-chairman seminar Regulation of International Securities Transactions, New York City, 1989.
Member American Bar Association (international law section, banking and business law section, special task force on securities arbitration), International Bar Association (committee on issues and trading in securities business law section), Inter-American Bar Association, Los Angeles County Bar Association (international law section, business and corporations law section, executive committee since 1986, chairman 1993-1994, chairman securities law enforcement subcommittee).