John Giuliani
InvestorFounderVenture Partner at Serra Ventures · Board director at Opendorse
Greater Chicago Area
FoundedOpendorse
About
John Giuliani is a Venture Partner at Serra Ventures with over 30 years of business experience. He previously ran Dotomi, which was acquired for $295 million, and led Conversant to an exit to Alliance Data in 2014. Earlier in his career he founded Rainmaker Consulting Group, served as President of North America for Catalina Marketing Services, and held roles at ACTMEDIA, Beecham Products, and Frito-Lay. He holds an MBA from Northwestern's Kellogg School and a B.S. from the University of Illinois.
Invests in
AdTechMarketing Tech
Board director at Opendorse
Intro paths
In turn, John can intro founders to Opendorse's investors below.
Opendorse's investors · 3
Co-founders at Opendorse
Experience
- EpsilonExecutive Chairman, Epsiloncurrent2021 — presentChicago, Illinois, United States
- OpendorseMember Board Of Directorscurrent2021 — presentLincoln, Nebraska, United States
- YieldifyExecutive Chairmancurrent2017 — presentLondon, United Kingdom
- Conversant, Inc.President and CEO2012 — 2019Nevada
- Conversant, Inc.Board Director2011 — 2014
- Web.comDirector2015 — 2018Jacksonville, Florida Area
- Bluestem BrandsBoard Director2005 — 2014
- Dotomi, IncChief Operating Officer - ValueClick2012Nevada
- Dotomi, IncChairman and CEO2005 — 2012Greater Chicago Area
- ClariaBoard Member2002 — 2007
- Q InteractiveBoard Member2002 — 2005
- RainMaker Consulting Group, InC.President and Founder2001 — 2005
- Catalina Marketing CorporationPresident - North America1994 — 2001
- ActmediaGroup Sales Manager1990 — 1994
- Frito LayNational Accounts Manager1989 — 1990
- SmithKline BeechamDistrict Manager1983 — 1989
Education
- Northwestern University - Kellogg School of ManagementMBA, Management1999 — 2000
- University of Illinois Urbana-ChampaignB.S., Business Admistration -Marketing1981 — 1983
- Parkland College
Skills & more
+9 more
New Business DevelopmentMarket PlanningProduct DevelopmentBusiness DevelopmentMarketingCompetitive AnalysisDigital StrategyIntegrated MarketingP&L ManagementFrom John's professional profile.
Deals · 1
OpendorseBoard seat
via Serra Ventures · filed Feb 2026 · $5M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at Serra Ventures
Frequently asked questions
- Where does John Giuliani work?
- John Giuliani is Venture Partner at Serra Ventures and Founder at Opendorse.
- What does John Giuliani invest in?
- John Giuliani invests in AdTech, Marketing Tech.
- What companies did John Giuliani found?
- John Giuliani founded Opendorse.
Founder mafias
University of Illinois Urbana-Champaign mafia143
Also came through, then founded or led a company.
+ 136 more
Northwestern University - Kellogg School of Management mafia62
Also came through, then founded or led a company.
+ 55 more
Serra Ventures mafia2
Also came through, then founded or led a company.
Same school
Also attended Northwestern University - Kellogg School of Management558
+ 552 more
Also attended University of Illinois Urbana-Champaign392
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+ 386 more
Also attended Parkland College1
Shared employers
Also worked at Conversant, Inc.3
Also worked at Web.com1
Also worked at Dotomi, Inc3
Also worked at Frito Lay59
+ 53 more