Brian Barnum is an Operating Partner with Shamrock Capital Advisors and works with Shamrock’s portfolio companies to improve operations and increase value. Prior to joining Shamrock in 2017, Mr. Barnum held a number of senior executive roles for privately held media, communications and technology companies including COO of Brighter, Inc., COO/CFO of The Rubicon Project, the COO/CFO of Business.com and later the President of Dex Media’s Digital businesses after it acquired Business.com, the CFO of Rent.com through its acquisition by eBay, and the CFO of Transaction Network Services, which he guided through an IPO. Prior to his roles as an operating executive, Mr. Barnum worked in investment banking to media companies at Bankers Trust Company and to technology and communications companies at Alex. Brown & Sons. Mr. Barnum has an MBA from the Anderson School at UCLA and has a BA in Economics from Stanford University.