LEADERSHIP

Robert Musslewhite

Director

Mr. Musslewhite served as CEO of Definitive Healthcare from August 2022 to January 2024, and was previously appointed as its President in October 2021. Prior, Mr. Musslewhite served as the CEO of OptumInsight, Optum’s health services business connecting the health care system with services, analytics, and platforms designed to make clinical and administrative processes easier and more efficient, beginning in 2019. While at Optum, prior to leading OptumInsight, Mr. Musslewhite was CEO of Optum360, CEO of Optum Analytics and CEO of Advisory Board Research. Mr. Musslewhite joined Optum in 2017, following its acquisition of the Advisory Board Company where he served as CEO since 2008 and Chairman since 2013. Prior to joining The Advisory Board Company, Mr. Musslewhite was an Associate Principal with McKinsey & Company, a global management consulting firm, in the Washington, D.C., Amsterdam, and Dallas offices. Mr. Musslewhite currently serves on the Board of Directors of Cardinal Health. Mr. Musslewhite received a J.D. from Harvard Law School and an A.B. in Economics from Princeton University.

Robert Musslewhite, Director

888-226-7404
1201 Wilson Blvd
Arlington, VA 22209

CoStar Group, Inc. (NASDAQ: CSGP) is commercial real estate's leading provider of information, analytics and online marketplaces.

888-226-7404
1201 Wilson Blvd
Arlington, VA 22209

CoStar Group, Inc. (NASDAQ: CSGP)
is commercial real estate's leading
provider of information, analytics
and online marketplaces.