Chief Operating Officer Rachel Cooke Rachel is responsible for business operations including overseeing client services, research events and project management. Prior to joining Brandon Hall Group, Rachel was the Chief Operating Officer Co-founder of AC Growth. Rachel has over 15 years of experience in sales, marketing, business development, and sales performance management. Prior to AC Growth, she held several senior management roles and was on the leadership team at Bersin & Associates, a pioneer analyst firm in e-learning and now industry leading HR and talent Research Company. In her Senior Director role, Rachel developed the strategy and led the commercial execution of the solution provider vertical, and grew the vertical into the company's largest market segment.