Simpson Manufacturing Co.
Karen Colonias has been the CEO of Simpson Manufacturing since January 2012 and in 2013 was appointed to its board. She previously served as CFO, secretary, and treasurer. Prior to that, she held the position of vice president of Simpson Manufacturing’s subsidiary, Simpson Strong-Tie Company Inc., and in that capacity served as the Branch Manager of the Simpson StrongTie manufacturing facility in Stockton, California. She joined Simpson Strong-Tie in 1984 as an engineer in the research and development department, where she was responsible for the design and testing of new products and code development. She is a member of the board of Reliance Steel & Aluminum Company and is a licensed professional civil engineer. She holds a BS in civil engineering from California State University, Sacramento and an MBA in marketing from Cal State East Bay College of Business & Economics.
Year appointed: 2012