Andrew Sheiner

Andrew Sheiner

CEO & Managing Partner

Andrew founded Altas Partners in 2012. Andrew established the firm following a 17-year career with Onex Corporation, a leading North American private equity firm. As a Managing Director, Andrew co-led the establishment of Onex Partners (Onex’ large cap private equity platform) in 2001 and oversaw its other investing platforms, including ONCAP, Onex Credit Partners, and Onex Real Estate.

Andrew worked at McKinsey & Company and a private family business prior to joining Onex Corporation in 1995. Andrew was educated at McGill University (Bachelor of Commerce, Gold Medalist) and Harvard University (Master of Business Administration). Andrew is or has served as a Board member or Trustee of The Hospital for Sick Children, Hot Docs, the York School, Urban Squash Toronto, and Harvard Business School’s Canadian Advisory Board.