February 27, 2022 Hitting the C-Suite Spot with Winmark CEO and author, John Jeffcock (MDE461) LeadershipPodcast Minter Dialogue with John Jeffcock John Jeffcock is founder and CEO of Winmark, an EdTech business that includes 16 C-Suite networks with 700 multinationals across 18 countries. He’s also a decorated former captain in the British Army. We discuss … Read more