Michael Chad Hoeppner
Michael Chad Hoeppner is an adjunct professor at Columbia Business School and the CEO and president of GK Training. He is the author of Don't Say Um: How to Communicate Effectively to Live a Better Life.
Michael Chad Hoeppner is an adjunct professor at Columbia Business School and the CEO and president of GK Training. He is the author of Don't Say Um: How to Communicate Effectively to Live a Better Life.