Ron Squarer« Back


Ron Squarer served as Chief Executive Officer and a member of the Board of Directors of Array BioPharma, Inc. (Array) from 2012 until its acquisition by Pfizer Inc. (Pfizer) in August 2019 following the successful commercial launches of both Braftovi® and Mektovi®. Before joining Array, Mr. Squarer held positions of increasing responsibility with Hospira, Inc., a global pharmaceutical and medical device company. As Senior Vice President and Chief Commercial Officer at Hospira, he was responsible for delivering $4 billion in annual revenue. Mr. Squarer joined Hospira from Mayne Pharma, where he served as Senior Vice President, Global Corporate and Business Development, when Mayne was sold to Hospira in 2007. Before Mayne Pharma, Mr. Squarer held leadership roles at both Pfizer (focused on oncology), and SmithKline Beecham Pharmaceuticals (now GlaxoSmithKline) in the U.S. and Europe. He currently serves as a member of the Board of Directors of Retrophin, Inc. and ADC Therapeutics SA. Mr. Squarer earned an M.B.A from the Kellogg School of Management, Northwestern University, and a bachelor’s degree in biochemistry from the University of California, Berkeley.