Tim Brumbaugh Senior Manager Investor Relations, General Motors Tim Brumbaugh is the Senior Manager of Investor Relations for General Motors, focusing on how investors and analysts value the company. Tim joined General Motors in 2010 as the Deputy Director for GM Ventures, the company’s venture investment arm and also previously held the role of Senior Manager for GM’s Supply Risk Management group. Prior to joining GM, Tim started his career with General Electric through their Financial Management Program, after which he worked in several roles as an investment professional for GE Equity, the company’s Private Equity and Venture Capital business. Tim earned his BA in Finance from Michigan State University’s Honors College and his MBA from the Kellogg School of Management at Northwestern University.