H. Irving Grousbeck is a Managing Partner of the Boston Celtics as well as an Executive Committee Member.

Father of Managing Partner & Governor Wyc Grousbeck, Mr. Grousbeck is a Consulting Professor of Management at Stanford University's Graduate School of Business, and co-head of the school's Center for Entrepreneurial Studies. His teaching focuses on an objective means to develop a greater understanding of the issues faced by entrepreneurial companies and individuals. In addition to his professorial duties, Grousbeck co-authored the textbook New Business Ventures and the Entrepreneur. From 1981 to 1985, he was a lecturer at Harvard University's Graduate School of Business Administration.

In 1963, Grousbeck co-founded Continental Cablevision and went on to serve as that company's President from 1964 to 1980 and Chairman of the Board from 1980 to 1985. Continental Cablevision was sold to U.S. West Media Group in November 1996.

Mr. Grousbeck is a graduate of Amherst College and the Harvard Business School. He was awarded an honorary Doctor of Humane Letters degree by Amherst College in 2000. He serves on a number of private company boards and was formerly a Trustee of Children's Hospital Boston, Newton-Wellesley Hospital, New England Eye Bank, the Hewlett Foundation, and the Massachusetts Board of Higher Education.