Podcast appearances · Radar

Brian O'Kelley

Co-founder and CEO of Scope3, previously co-founder and CEO of adtech company AppNexus through its $1.6B sale to AT&T in 2018.

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APPEARANCES

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PODCASTS

Oct 6, 2026

The Programmatic Digest

The Programmatic Digest

211. Understanding Programmatic Sustainability with Brian O'Kelley

Oct 6 · 56m

Hélène ParkerHOST

1:36

[laughs]

Brian O'KelleyGUEST

1:37

Yes.

Brian O'KelleyGUEST

1:38

Well, yeah, I mean, for me, I started in programmatic before programmatic.

Brian O'KelleyGUEST

1:43

Um, I sort of accidentally invented the SSP in 2004.

Brian O'KelleyGUEST

1:51

Um, yeah, actually, the SSP came before the ad exchange.

Brian O'KelleyGUEST

1:55

Uh, I was working at a little ad network called Right Media, and we had a competitor that would tell publishers they were getting a $5 CPM.

Brian O'KelleyGUEST

2:04

And we were like...

14 MINS LATER

Hélène ParkerHOST

16:04

So Ryan, you can take it from here.