The Business of YouTube Golf · Ethan Rosenbaum, Co-Managing Partner of Source Golf | S2 E42

The Network Aggregating Bryson DeChambeau, Grant Horvat, and the Bryan Bros

Jun 30, 2026

Sports are serious business.
On Under the Number, Brent Peus goes deep with the leaders driving the Sports Economy, from elite athletes and investors to visionary founders and executives.

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The Connection:

Last month, Matthew Jester told me I had to meet Ethan Rosenbaum. The thread between them is Rick Hess — Matthew’s current partner and Ethan’s former colleague. Jester made the intro over text, and a week later Ethan and I were sitting down for breakfast in NYC.

Quote of the Episode:

“When I saw the Hot Ones deal, I thought, it would be so interesting to acquire IP on YouTube with financing. Not like an LBO with traditional debt financing, but with brand financing.”

Bet You Didn’t Know:

Stack up every golf creator's channel, strip out the overlap, and YouTube golf still reaches more than 14 million de-duplicated viewers a month. As a platform, YouTube delivers more reach among adults 18 to 49 than all cable networks combined.