Associate Ehrlich & Cohn, 1958-1963, Ehrlich, Bundesen, Friedman & Ross, 1963-1972. Partner Ehrlich, Bundesen, Broecker & Sproger, 1972-1977. Private practice, 1977—2000.
Member advisory committee curriculum Illinois Institute Continuing Legal Education, Chicago, 1976-1990. Vice president Mediation Council of Illinois, 1986-1987. Arbitration panelist for Circuit Court Cook County, since 1990.
Mediator Pastoral Psychotherapy Institute, 1982-1986, volunteer Council for Jewish Elderly, Chicago, since 2002. Fellow American Academy Matrimonial Lawyers (board examiners 1972-1986, chairman Law Day United States of America 1975). Member American Bar Association, Illinois Bar Association (chairman council family law 1970-1971), Chicago Bar Association (matrimonial law committee 1958-2000), American Arbitration Association (divorce mediation committee 1983-1992), Decalogue Society, University Michigan Club Chicago (president 1988-1989, board directors 1987-2004), Phi Alpha Delta.