Where does Sarah Catanzaro work?

Sarah Catanzaro is Founder of Hex and General Partner at Amplify Partners and Board director at Modal Labs, Inc..

What check size does Sarah Catanzaro write?

Sarah Catanzaro typically writes checks of $500K – $10M.

What boards does Sarah Catanzaro sit on?

Sarah Catanzaro holds tracked board seats at Fulcrum Technologies Inc./NY, Modal Labs, Inc..

Where did Sarah Catanzaro go to school?

Sarah Catanzaro studied at Stanford University (Bachelor of Science (BS)); Institut d'études politiques de Paris (Independent research study).

Sarah Catanzaro

InvestorFounder

General Partner at Amplify Partners · Board director at Modal Labs, Inc. · Founder at Hex

San Francisco Bay Area

Writes $500K – $10M checks · typically $5M

FoundedHex

Find your path to Sarah

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

Paul KwanunlockedSarah: together at Stanford University (2005–2009)

×5Sarah: together at Stanford University

×2Sarah: together at Amplify Partners

×2Sarah: together at Canvas Ventures

About

Sarah Catanzaro, a former intelligence researcher who modeled insurgent and pirate behavior with incomplete data, predicts startup success and only backs practitioner-founders who spin internal tools into production ML infrastructure.

Contact· self-published, not guessed

s•••@amplifypartners.comreveal

Likely emails· guessed from name + firm domain, not firm-published

s•••@amplifypartners.comreveal100% confident
s•••@amplifypartners.comreveal90% confident

Invests in

AI & Machine LearningCybersecurityData & InfrastructureDeveloper ToolsEnterprise Software

Beyond investing

Education: Studied at Stanford University (B.S.)
Hobbies: Catanzaro enjoys skiing and describes the mental clarity she feels carving turns down steep runs. She is fascinated by hotels and has compiled a list of over 300 resorts and vacation rentals she wants to stay in.
Pets: She has a Cavapoo named Bixby Catanzaro, whom she refers to as Amplify's Chief Morale Officer.
Family: Her father is a molecular biologist who took her to his laboratory as a child.

Mentioned above: the Stanford University mafia →

From published sources — common ground for a warm intro.

Board director at Modal Labs, Inc.

Intro paths

→

In turn, Sarah can intro founders to Modal Labs, Inc.'s investors below.

Modal Labs, Inc.'s investors · 3

Amplify PartnersMenlo Park · $500K – $5M checks · since 2025 Lux CapitalNew York · $100K – $100M checks Redpoint VenturesWoodside · $100K – $10M checks · since 2025

Co-founders at Modal Labs, Inc.

Akshat BubnaExecutive Officer

Erik BernhardssonExecutive Officer, Director

Founder at Hex

Intro paths

→

In turn, Sarah can intro founders to Hex's investors below.

Hex's investors · 16

137 VenturesSan Francisco Amplify PartnersMenlo Park · $500K – $5M checks Andreessen HorowitzMenlo Park · $500K – $50M checks avraHillsborough Dash VCSan Francisco Databricks VenturesSan Francisco Lorimer VenturesBrooklyn · $50K – $300K checks New NormalSeattle · $250K – $1M checks Next Legacy PartnersPortola Valley Operator CollectivePalo Alto · $500K – $1.5M checks Redpoint VenturesWoodside · $100K – $10M checks Todd and Rahul’s Angel FundSan Francisco · $300K – $500K checks Trail Run CapitalMill Valley Worklife VenturesWalnut · $500K – $2M checks XYZ Venture CapitalSan Francisco · $10K – $5M checks Zero Prime VenturesSan Francisco · $500K – $1.5M checks

Co-founders at Hex

Caitlin ColgroveFounder

Glen TakahashiFounder

Experience

Amplify PartnersGeneral Partnercurrent2022 — presentSan Francisco Bay Area
Amplify PartnersPartner2020 — 2022
Amplify PartnersPrincipal2017 — 2020San Francisco Bay Area
Canvas VenturesAssociate2016 — 2017San Francisco Bay Area
MattermarkHead of Data2014 — 2016San Francisco Bay Area
Palantir TechnologiesEmbedded Analyst2013 — 2014Greater New York City Area
CyveillanceCyber Intelligence Analyst2011 — 2013
C4ADSProgram Director, Computational Approaches to National Security2009 — 2011

Skills & more

ManagementStrategyData AnalysisSQLMicrosoft ExcelGovernmentProgram ManagementProduct ManagementAnalysisNational SecurityMilitaryPolicy Analysis

+12 more

International RelationsSocial Network AnalysisCounterterrorismPublic PolicyDoDTrainingIntelligenceIntelligence AnalysisInformation SecurityDefenseHuman RightsAnalytics

Languages English · French

From Sarah's professional profile.

Deals · 2

Modal Labs, Inc.Board seat

via Amplify Partners · filed Oct 2025 · $94.4M raise

Fulcrum Technologies Inc./NYBoard seat

via Amplify Partners · filed Jun 2024 · $18M raise

Attribution from SEC filings, press coverage, and firm rosters.

Other disclosed investments

Investor

BayesDatology AI David AIEinblickEngram EppoFree GamesFulcrum TechnologiesModalModal LabsMotherduck Outerbounds PostgresML WarpStream

Sources: SEC Form D filings · curated public sources.

Colleagues at Amplify Partners

Arjun Narayan

Venture Partner at Amplify Partners

Artur Bergman

Founder, Fastly at Amplify Partners

Barr Yaron

Partner at Amplify Partners

Barry McCardel

Founder, Hex at Amplify Partners

Bruno Fernandez-Ruiz

Venture Partner at Amplify Partners

Carlie Wright

Operations Associate at Amplify Partners

David Beyer

Partner at Amplify Partners

Elliot Hershberg

Scientist, Writer, and Investor on a mission to accelerate The Century of Biology

Network2

Brandon Leonardo

Angel

David Beyer

Partner at Amplify Partners

Investors connected to Sarah in public investor directories — a warm-intro map.

Frequently asked questions

Who is Sarah Catanzaro?: Sarah Catanzaro, a former intelligence researcher who modeled insurgent and pirate behavior with incomplete data, predicts startup success and only backs practitioner-founders who spin internal tools into production ML infrastructure.
Where does Sarah Catanzaro work?: Sarah Catanzaro is Founder of Hex and General Partner at Amplify Partners and Board director at Modal Labs, Inc..
What does Sarah Catanzaro invest in?: Sarah Catanzaro invests in AI & Machine Learning, Cybersecurity, Data & Infrastructure, Developer Tools, Enterprise Software.
What check size does Sarah Catanzaro write?: Sarah Catanzaro typically writes checks of $500K – $10M.
What companies did Sarah Catanzaro found?: Sarah Catanzaro founded Hex.
What boards does Sarah Catanzaro sit on?: Sarah Catanzaro holds tracked board seats at Fulcrum Technologies Inc./NY, Modal Labs, Inc..
What companies has Sarah Catanzaro invested in?: Investments tracked here include Bayes, Datology AI, David AI, Einblick, Engram, Eppo, Free Games, Fulcrum Technologies, Modal, Modal Labs, Motherduck, Outerbounds, and 2 more.
Where did Sarah Catanzaro go to school?: Sarah Catanzaro studied at Stanford University (Bachelor of Science (BS)); Institut d'études politiques de Paris (Independent research study).