He gained national attention after he organized events with Sean Combs, Drake, LeBron James and other celebrities.

[7][8] Following his seventh year of leaving a life of crime, he founded a nonprofit organization, the David Castain Foundation.

The company obtained clients in various disciplines from Chipotle and Uber to a Berkshire Hathaway subsidiary, Cort Furniture.

[10][11] In 2014 he graduated from Georgetown University, where he was the recipient of the Golden Bulldog Award for being the 'Most Creative' student in the program,[12] with a Master's in public relations and corporate communications.

[17][3] Castain's doctoral thesis studied "Instagram Branding Strategies, Leadership, and Decision-Making Competency in Business Practices Between Millenial and Generation Z Entrepreneurs in the Western United States.