Equity Mates Investing: Ed Cowan, TDM Growth Partners Posted in News from the Network by Equity Mates Investing on June 1st, 2020. Ed Cowan, Co-Founder of Core Fund Manager, TDM Growth Partners chats to the guys at Equity Mates Investing. Ed discusses all things TDM - investment philosophies, case studies and more. If you are interested in learning more about how TDM think about the world, this is worth listening to: