William Geist
InvestorManaging Partner at Upper90
New York, New York, United States
Writes $5M – $10M checks
Find your path to William
737 people in our graph share verified history with William — schools, employers, funds. One of them is your warm intro.
Crystal HuangunlockedWilliam: together at Harvard University (2007–2010)
×4William: together at Columbia Business School
×5William: together at Harvard University
×2William: together at Bank of America Merrill Lynch
About
William Geist uses hybrid equity and non-dilutive financing for tech firms seeking efficient scaling, bringing a quantitative, risk-focused mindset from investment banking, M&A, public markets and CFA.
Contact· self-published, not guessed
Invests in
E-commerceFintechLogistics & Supply ChainMarketplacesSaaS
Experience
- Upper90Managing Partnercurrent2018 — present
- Perella Weinberg PartnersAssociate2015 — 2017New York City Metropolitan Area
- Royal Capital ManagementAnalyst2014New York City Metropolitan Area
- Bank of America Merrill LynchAnalyst2010 — 2013New York City Metropolitan Area
- Westwicke Partners, LLCSummer Analyst2009Washington DC-Baltimore Area
Skills & more
StrategyLeadershipInvestmentsStart-upsLacrosse1Financial ModelingMergers & Acquisitions1Private EquityValuationInvestment Banking1Capital MarketsCorporate Finance
+12 more
Due DiligenceResearchData AnalysisInsuranceFinanceEconomicsEquitiesFinancial AnalysisBusiness StrategyMicrosoft ExcelMicrosoft PowerPointBloomberg- Chartered Financial Analyst (CFA) charterholder — CFA Institute
From William's professional profile.
Colleagues at Upper90
Adam Wittenberg
Controller at Upper90
Alex Cepero
VP of Finance and Sr Controller at Upper90
Alex Urdea
Executive Officer at Upper90
Bebe Chueh
Investor at Upper90
Billy Libby
Managing Partner at Upper90
Brynne Rozzi
Investor Relations Analyst at Upper90
Christine Connelly
Chief of Staff at Upper90
Connor Hoisington
Associate at Upper90
Frequently asked questions
- Who is William Geist?
- William Geist uses hybrid equity and non-dilutive financing for tech firms seeking efficient scaling, bringing a quantitative, risk-focused mindset from investment banking, M&A, public markets and CFA.
- Where does William Geist work?
- William Geist is Managing Partner at Upper90.
- What does William Geist invest in?
- William Geist invests in E-commerce, Fintech, Logistics & Supply Chain, Marketplaces, SaaS.
- What check size does William Geist write?
- William Geist typically writes checks of $5M – $10M.
- Where did William Geist go to school?
- William Geist studied at Harvard University (Bachelor’s Degree, Economics - Cum Laude); Columbia Business School (Master of Business Administration (MBA), Finance); McDonogh School.
Same school
Also attended Harvard University2,000
Ron ConwayFounder of SV AngelAlfred LinPartner at Sequoia CapitalChris DixonFounder & Managing Partner of a16z crypto at Andreessen HorowitzSarah TavelVenture Partner at BenchmarkDanny RimerPartner at Index VenturesLaela SturdyManaging Partner at CapitalG
+ 1,994 more
Also attended Columbia Business School1,173
Ryan PetersenFounder & CEO of FlexportAryo TehranianManaging Director at Mayfair Equity PartnersYibo NianInvestment Director at Intel CapitalKesha CashFounder & General Partner at Impact America FundMahati SridharPartner, Rise of the Rest at RevolutionGiuseppe IademarcoHead of Global Partnership at P101 Ventures
+ 1,167 more
Shared employers
Also worked at Perella Weinberg Partners58
Julie MarechalExecutive Assistant at Hoxton VenturesCynthia LaiInvestor at IVP (Institutional Venture Partners)Micherice TaoInvestor at IVP (Institutional Venture Partners)Alex RainesSenior Associate at JMI EquityMarta Suarez EstebanezPartner at TCVCaroline PhippsSenior Associate at True Beauty Ventures
+ 52 more
Also worked at Royal Capital Management1
Also worked at Bank of America Merrill Lynch392
Dan BartusPartner, Head of Research at Felicis VenturesCyriac ParisotInvestor at Index VenturesGeorgia StevensonInvestor at Index VenturesMatt CherianVenture Partner at Monta Vista CapitalKatrin GeyskensExecutive Director at Capricorn Venture PartnersAndrea GazviniAssociate at Northzone
+ 386 more







































