Brian Barnum
InvestorOperating Advisor at Shamrock Capital · Board director at Vidmob
Los Angeles, California, United States
Find your path to Brian
331 people in our graph share verified history with Brian — schools, employers, funds. One of them is your warm intro.
Mike VolpiunlockedBrian: together at Stanford University (1984–1986)
×5Brian: together at Stanford University
×4Brian: together at Bankers Trust Company
×2Brian: together at Demandbase
About
Brian Barnum is an Operating Advisor for Shamrock Capital's Private Equity Strategy and currently serves as CFO of Shamrock portfolio company Skillable, which he joined in 2026. He previously worked as an Operating Partner at Shamrock beginning in 2017, and earlier held senior executive roles at media, communications, and technology companies, including COO of Brighter, Inc., COO/CFO of The Rubicon Project, COO/CFO of Business.com, President of Dex Media's Digital businesses, CFO of Rent.com, and CFO of Transaction Network Services. He began his career in investment banking at Bankers Trust Company and Alex Brown & Sons, and holds an MBA from UCLA Anderson and a BA in Economics from Stanford University.
Contact· self-published, not guessed
Board director at Vidmob
Intro paths
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In turn, Brian can intro founders to Vidmob's investors below.
Vidmob's investors · 8
Co-founders at Vidmob
AC
Alex CollmerExecutive Officer, Director, Promoter
Experience
- Shamrock CapitalOperating Advisor and Portfolio Company BOD Membercurrent2026 — present
- Shamrock CapitalOperating Partner, Head of Private Equity Value Creation Team2017 — 20261100 Glendon Ave #1600, Los Angeles, CA 90024
- SkillableChief Financial Officercurrent2026 — present
- VidmobBOD Membercurrent2023 — present
- Brighter (acquired by Cigna)COO2014 — 2017Greater Los Angeles Area
- DemandbaseCFO2013 — 2014San Francisco Bay Area
- Magnite (formerly The Rubicon Project)COO / CFO2011 — 2013Greater Los Angeles Area
- Dex One Digital (now Thryv)President - Dex One Digital / Business.com2007 — 2009Greater Los Angeles Area
- Business.com, Inc. (acquired by Dex One Digital, now Thryv)COO / CFO - Business.com2005 — 2008Greater Los Angeles Area
- Rent.com (acquired by eBay)CFO - Rent.com2004 — 2005Greater Los Angeles Area
- Unlimited Fiber Optic Communications (acquired by Cogent Communications)CFO2002 — 2004San Francisco Bay Area
- Classroom Connect, Inc. (acquired by Harcourt Publishing)CFO / SVP Business Development1997 — 2000San Francisco Bay Area
- Transaction Network ServicesCFO1993 — 1997Washington D.C. Metro Area
- Bankers Trust CompanyAssociate - Media Group, Los Angeles1990 — 1992Greater Los Angeles Area
- Alex. Brown & Sons, IncorporatedFinancial Analyst1986 — 1988San Francisco Bay Area
Skills & more
Artificial Intelligence (AI)Board LeadershipPortfolio OperationsConsultingValue CreationCorporate FinanceFinancial LeadershipC Level ManagementCEO/CFO CertificationFinancial OversightStart-ups45Strategic Partnerships33
+8 more
Venture CapitalAnalyticsBusiness DevelopmentProduct ManagementMergersCorporate DevelopmentDigital MediaEntrepreneurshipFrom Brian's professional profile.
Colleagues at Shamrock Capital
Aaron Wizenfeld
Partner at Shamrock Capital
Adam Zubi
Associate Accountant at Shamrock Capital
Alan Resnikoff
Executive Officer at Shamrock Capital
Alicia Zhu
Vice President at Shamrock Capital
Amy Seo
Director of Human Resources at Shamrock Capital
Andrew Howard
Co-President & Partner at Shamrock Capital
Andrew Landenberger
Operating Partner at Shamrock Capital
Angela Hong
Senior Associate at Shamrock Capital
Frequently asked questions
- Who is Brian Barnum?
- Brian Barnum is an Operating Advisor for Shamrock Capital's Private Equity Strategy and currently serves as CFO of Shamrock portfolio company Skillable, which he joined in 2026. He previously worked as an Operating Partner at Shamrock beginning in 2017, and earlier held senior executive roles at media, communications, and technology companies, including COO of Brighter, Inc., COO/CFO of The Rubicon Project, COO/CFO of Business.com, President of Dex Media's Digital businesses, CFO of Rent.com, and CFO of Transaction Network Services. He began his career in investment banking at Bankers Trust Company and Alex Brown & Sons, and holds an MBA from UCLA Anderson and a BA in Economics from Stanford University.
- Where does Brian Barnum work?
- Brian Barnum is Operating Advisor at Shamrock Capital and Board director at Vidmob.
- Where did Brian Barnum go to school?
- Brian Barnum studied at Stanford University (BA, Economics); UCLA Anderson School of Management (MBA).
Same school
Also attended Stanford University2,000
Peter ThielCo-founder & Partner at Founders FundReid HoffmanCo-founder of LinkedIn; Partner at GreylockDavid SacksCo-founder & General Partner at Craft Ventures; former White House AI & Crypto CzarKeith RaboisManaging Director at Khosla VenturesGarry TanPresident & CEO of Y CombinatorAlfred LinPartner at Sequoia Capital
+ 1,994 more
Also attended UCLA Anderson School of Management329
David Clark GuillermoInvestments at Impact America FundDana MoralyPartner; Chief Financial & Administrative Officer at March Capital PartnersJed LeidheiserPartner at March Capital PartnersShahin FarshchiPartner at Lux CapitalMonica PlazaOperating Partner at CapitalGJennifer SavagePartner at Illuminate Ventures
+ 323 more
Shared employers
Also worked at Shamrock Capital54
Stephen RoyerChairman & Partner at Shamrock CapitalMichael LaSalleCo-President & Partner at Shamrock CapitalAndrew HowardCo-President & Partner at Shamrock CapitalPatrick RussoPartner, Executive Committee at Shamrock CapitalLaura HeldPartner, Executive Committee at Shamrock CapitalJason SklarPartner, Executive Committee at Shamrock Capital
+ 48 more
Also worked at Skillable2
Also worked at Demandbase12
Neha JewalikarDirector of Communications at Scale Venture PartnersNed GilhulyCo-Founder & Partner at Sageview CapitalGreg SandsFounder and Managing Partner at Costanoa VenturesMartina LauchengcoPartner at Costanoa VenturesBob SpinnerFounding Partner at Jackson Square VenturesJason GoldenbergPartner at 4D Capital
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