He helped to found the Albany law firm of Malkin & Ross, and its associated advocacy organization M+R Strategic Services.
[1] While serving with Ralph Nader, Donald K. Ross wrote the book Action for a change, which proposed the organizational model for Public Interest Research Groups (PIRGS).
[6][7] Malkin and Ross later formed M+R Strategic Services, which is based in Washington, D.C.[8] He worked as an attorney for Ralph Nader.
[citation needed] Ross has served as an adviser and officer of several non-profit organizations that are dedicated to public-interest causes, especially the environment.
[8] Ross worked as a consultant for the Long Island Veatch Program, the Center for Research on Institutions and Social Policy, and The New York Community Trust.