Leading Private Equity Firm Adds Senior Advisors WASHINGTON, June 18, 2018-- Leading private equity firm Grain Management, LLC today announced the appointment of Edith Cooper and Virgis Colbert as new additions to the Firm's exceptional group of Senior Advisors. "Edith is an exceptional executive and brings more than 20 years of experience from Goldman Sachs with particular competence in human capital development. Her wealth of experience and excellent judgement will help Grain extend the winning culture we are building," said David Grain, Founder and CEO of Grain Management.