He is a long-time member of the Maryland Developmental Disabilities Council and RespectAbility, and has worked on campaigns at several levels of government.

[3] Kaufman, along with state Delegates Emily Shetty and Jared Solomon, faced Republican George Cecala in the general election.

[9] In May 2022, Kaufman signed a Chesapeake Climate Action Network pledge to support legislation to get Maryland to use 100 percent carbon-free electricity by 2035 and to remove trash incineration from the state's "clean energy" classification.

[11] In July 2011, Kaufman attended a Barack Obama rally at the University of Maryland, College Park to urge the president to protect disability funding in budgetary negotiations with Congress.

[7] In April 2022, Kaufman said he supported establishing other mechanisms of filling vacancies in the Maryland General Assembly, such as special elections.