A U.S. citizen, Ms. Tregoning has a bachelor of arts in international relations from Stanford and a master of arts from Harvard University, John F. Kennedy School of Government.
She has more than 20 years of professional experience in policy, advocacy, stakeholder outreach and external engagement. She began her career in 1993 with Andersen Consulting in San Francisco and then later served as Assistant Deputy Mayor, Office of the Mayor for the City of Los Angeles. In 2001, Ms. Tregoning moved to Washington, D.C. where she served in various healthcare policy positions in the United States Senate and United States House of Representatives, including a tenure with the House Ways & Means Committee. She joined Biogen in 2006 as Vice President, Public Policy & Government Affairs and in 2015 was appointed Senior Vice President, Corporate Affairs.
She was appointed to her present position in February 2017.