Sean Castrina

Dr. Bill Dorfman™ (or drbilldorfman™) Podcast presents Meet the Mentor® series ›

27:15 | Nov 15th, 2022

Sean Castrina is the founder of The Weekend MBA,  a serial entrepreneur, having started more than 20 companies over the last 20 years, and still seeks to launch a new venture annually. He is the autho...Show More