Where does Leonard Speiser work?

Leonard Speiser is Managing Partner at Horizon 3 Venture Studio.

What check size does Leonard Speiser write?

Leonard Speiser typically writes checks of $100K – $5M.

Where did Leonard Speiser go to school?

Leonard Speiser studied at Massachusetts Institute of Technology (S.B., Course 11 - Urban Planning); Chaparral High School; Phoenix Country Day School.

Leonard Speiser

Investor

Managing Partner at Horizon 3 Venture Studio

San Francisco, California

Writes $100K – $5M checks · typically $2M

Find your path to Leonard

626 people in our graph share verified history with Leonard — schools, employers, funds. One of them is your warm intro.

Wesley ChanunlockedLeonard: together at Massachusetts Institute of Technology (1996)

×5Leonard: together at Massachusetts Institute of Technology

×2Leonard: together at Trinity Ventures

Leonard: together at eBay

Experience

LambdaChief Operating Officercurrent2025 — presentSan Francisco Bay Area
Horizon 3Founder & Managing Partnercurrent2020 — presentLos Altos, California, United States
LevelBoard Director & Co-Founder2017 — 2020San Francisco Bay Area
neuron.vcInvestor2016 — 2019San Francisco Bay Area
CloverCo-Founder2010 — 2017Mountain View, CA
SocietyCo-Founder2009 — 2010San Francisco Bay Area
Trinity VenturesEntrepreneur-in-residence2009San Francisco Bay Area
YahooSenior Director, Product2007 — 2009San Francisco Bay Area
Bix.com, Inc.Co-Founder & Director, Product2006 — 2009San Francisco Bay Area
eBayGroup Product Manager2000 — 2005San Francisco Bay Area
PinacusFounder, CEO1999 — 2000San Francisco Bay Area
IntuitManager, Business Development1998 — 1999San Francisco Bay Area
CSFB Technology GroupAssociate/Analyst1996 — 1998Greater Boston
ScreenFIREFounder, CEO1996 — 1998Greater Boston

Skills & more

Product Management99Payments38Analytics12Management28Mergers & Acquisitions9Leadership18Mobile Applications20User Experience10Venture Capital3Digital Marketing7Mobile Payments2Executive Management2

+12 more

SEMConsumer InternetGo-to-market StrategyEntrepreneurshipDigital MediaMobile MarketingStrategic PartnershipsOnline MarketingBusiness StrategyScalabilityPublic SpeakingStrategy

From Leonard's professional profile.

Frequently asked questions

Who is Leonard Speiser?: Managing Partner at Horizon 3 Venture Studio
Where does Leonard Speiser work?: Leonard Speiser is Managing Partner at Horizon 3 Venture Studio.
What check size does Leonard Speiser write?: Leonard Speiser typically writes checks of $100K – $5M.
Where did Leonard Speiser go to school?: Leonard Speiser studied at Massachusetts Institute of Technology (S.B., Course 11 - Urban Planning); Chaparral High School; Phoenix Country Day School.

Same school

Also attended Massachusetts Institute of Technology2,000

Fred WilsonCo-founder & Partner at Union Square Ventures Elad GilSolo general partner investing through Gil Capital Aileen LeeFounder & Managing Partner of Cowboy Ventures Hemant TanejaCEO & Managing Director of General Catalyst Philippe LaffontFounder & CIO of Coatue Management Nat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDG

+ 1,994 more

Also attended Phoenix Country Day School7

Mala BansalMBA Associate Intern at Rocana Ventures Julius DodsonInvestor at Cendana Capital Deepa RaoAssociate at The Engine Ventures Alex BellerFounder at Postscript Michael SlateAssociate at Arsenal Jonathan KrauseGeneral Partner at Class Estatoe

+ 1 more

Shared employers

Also worked at Lambda14

Spencer FoustManaging Director at Sozo Ventures Zach Bratun-GlennonGeneral Partner at Gradient Ventures Josh ChristensenDirector at Mercato Partners Zane BusteedPrincipal at Juvo Ventures Peter BordesManaging Partner at Trajectory Ventures Tom SmithManaging Partner at Savano Capital Partners

+ 8 more

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