Rossman is the co-editor of the NCLC Consumer Class Actions manual (8th edition) and coordinates NCLC's Consumer Class Action Symposium. After 13 years of private trial practice in Boston, Rossman served as chief of the Trial Division and chief of the Business and Labor Protection Bureau at the Massachusetts Attorney General's Office from 1991 to 1999. As founding chairman of the Boston Bar Association Young Lawyers Section, he co-authored and edited a handbook on the rights of the homeless in Massachusetts, which received the American Bar Association's Young Lawyer's Division Award of Achievement in 1989. Rossman is the former chairman of the Volunteer Lawyers Project, Massachusetts' largest pro bono legal referral service program, and currently serves as chairman of the board for the National Association of Consumer Advocates and as a member of the Retention Task Force of the Massachusetts Diversity Coalition and the Massachusetts Legal Services Advocacy Coordination Committee. Since 1992, he has been a member of the adjunct faculty at the Northeastern University School of Law, where he teaches courses on civil trial advocacy and was appointed the 2010 Givelber Distinguished Lecturer on Public Interest Law. In 1994, Rossman was recognized by the Boston Jaycees with a Ten Outstanding Young Leaders Award. In 2004, Rossman and his co-counsel were selected as finalists for Trial Lawyer of the Year by the Trial Lawyers for Public Justice for their contribution to the public interest through their work on Coleman v. General Motors Acceptance Corporation. He also was awarded the 2005 Thurgood Marshall Award by the Rainbow/PUSH Coalition and its Wall Street Project.