In 1970, Rossotti co-founded American Management Systems, an Information Technology services and software company and served at various times as President, CEO and Chairman until 1997.
During Rossotti’s tenure, the company grew from a startup to a company with over 7,000 employees and its market value increased to over 300 times its initial value. In 1979, AMS was one of the first IT services companies to become publicly owned and it remained public until it merged with CGI in 2003.
He has served as an advisor to a private equity investment company, The Carlyle Group, for the last 16 years.
In addition to his experience as a company founder, CEO and investor, Rossotti has served on the board of directors of 20 companies of all sizes, both publicly and privately owned. These include AES Corporation, Booz Allen Hamilton, and Bank of America, as well as many early-stage and mid-stage growth companies.
On various of these boards, he’s served as non-executive chairman of the board, chair of the audit committee or chair of the finance committee.
He began his business career as a consultant at the Boston Consulting Group.
Rossotti had two terms of full time service in government, in both cases serving both Democratic and Republican administrations.
From 1965 to 1970, he served in the Department of Defense, completing his service as Principal Deputy Assistant Secretary for Systems Analysis.
In 1997, Rossotti was appointed IRS Commissioner by President Clinton. He remained in this post for the first two years of the Bush Administration, completing his service in 2002.
In 2005, Rossotti was appointed by President Bush to a nine-person panel to recommend reform of the tax code
Rossotti has also served on many non-profit boards and committees, including those of Georgetown University, the Advisory Board for the Graduate Business School of Carnegie Mellon University, Capital Partners for Education in Washington, DC., National Cathedral School, Potomac School, the Comptroller General’s Advisory Committee of the Government Accountability Office (GAO) and the Tax Policy Center.
Rossotti is the author of Many Unhappy Returns, a book about his experience turning around the IRS, published by Harvard Business School Press in March 2005.