Who Is DigitalMarketer Founder Ryan Deiss?

On the 2 Cent Dad podcast, Mike Sudyk introduces Ryan Deiss as the founder of DigitalMarketer.com, a training company for marketing teams, entrepreneurs, and agencies. The episode title spells his surname "Diess" and calls him a father of three. The episode description and the interview use Ryan Deiss, and Mike Sudyk says he is a father of four. Deiss is a serial entrepreneur who speaks often in the Austin startup scene. He started his first company in 1999 from his dorm room at the University of Texas at Austin so he could buy an engagement ring. He agrees he was a self-taught web designer, and he began teaching marketing so he could fund the next company.