Dennis, AKA Mr. D Math, is a former public school
teacher who found a market in developing video math lessons for
homeschoolers which he provides through mrdmath.com. He is
the author of “TEACH: Creating Independently Responsible
The 10 Minute Entrepreneur is a podcast for entrepreneurs and small business owners. Seasoned serial entrepreneur Sean Castrina shares quick hitting tips to help equip you for success. Both tactical and practical, Sean's advice will help you thrive.