He became a partner in 1970 and was named to the firm’s Executive Committee in 1981. He was Co-Managing Partner from 1987 until 1990, Managing Partner from 1990-1991 and acting Managing Partner through 1994.
Attorney Schoonmaker was a past Chairman of the American Bar Association Family Law Section, as well as a past Chairman of the Connecticut Bar Association Family Law Section. He served the American Bar Association Family Law Section as a delegate to the ABA House of Delegates. He was Chairman of the Connecticut Child Support Commission from 1984 through 1986. During his career, he was a fellow of the American Academy of Matrimonial Lawyers, and has served on the Board of Managers of its Connecticut Chapter. Attorney Schoonmaker was also a fellow of the International Academy of Matrimonial Lawyers.