Howard joined Greylock in 1971 after two years in the Office of the Secretary of Defense (Systems Analysis). He is a graduate of Princeton University, Columbia Law School and the Harvard Business School, and he is a former Chairman of the National Venture Capital Association. Howard, along with Greylock's founding partners, received the Harvard Business School Award for Alumni Achievement in 2003.
Howard currently serves on the boards of Stryker, In-Q-Tel, and Secretary of Defense Business Board. He is a trustee of various Fidelity Mutual Funds.
Some of the boards he previously served on include the Boston Globe, American Medical Systems, AMISYS (acquired by McKessonHBOC), APPEX (acquired by EDS), Arbor (acquired by Extendicare), BMR Financial Group, Checkfree, Cogito Data Systems, Compdent (acquired by APPS), Execucom, HPR (acquired by McKessonHBOC), ISSCO (acquired by Computer Associates), Lunar (acquired by GE), Multimate, Rehab Systems (acquired by Novacare), Share Development (acquired by United Healthcare), United Publishers (acquired by NYNEX), VHA Long Term Care (acquired by ServiceMaster), and Vincam (acquired by ADP). He also led Greylock's investments in OTG Software (acquired by Legato), Meditech and Promega.