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Thomas McInerney

North America, California, United States, Santa Monica

Description

Thomas McInerney is a highly active and prominent angel investor based in Santa Monica, California, renowned for his strategic early-stage investments, particularly in the technology sector. With a robust background in product leadership at major tech companies like eBay and PayPal, where he served as VP of Product, McInerney brings deep operational expertise to his portfolio. He transitioned to full-time angel investing around 2012 after co-founding and leading Modest, Inc., which was acquired by PayPal. Over the past decade, he has built an impressive portfolio, having invested in over 70 companies, with more than 10 of these achieving unicorn status, underscoring his keen eye for high-growth potential.

McInerney's investment thesis primarily centers on disruptive technologies and scalable business models, with a strong inclination towards B2B SaaS, developer tools, fintech, and infrastructure plays. His portfolio boasts an impressive roster of companies that have become industry leaders, including early bets on Segment, Notion, Getaround, Tala, MemSQL (now SingleStore), and OpenSea. He also backed companies like Fivetran, Frame.io (acquired by Adobe), Front, Plaid, Ramp, Rippling, and Scale AI, demonstrating a consistent focus on foundational technologies that empower businesses and individuals. His experience building and scaling products at companies like eBay and PayPal likely informs his preference for companies with strong product-market fit and clear paths to monetization.

As an angel investor, McInerney typically focuses on seed-stage rounds, providing crucial early capital to nascent startups. He explicitly states his typical first check size ranges from $25,000 to $100,000. Beyond capital, his value proposition to founders often includes mentorship, strategic guidance, and leveraging his extensive network within the tech ecosystem. His track record of identifying and supporting companies that achieve significant valuations and exits positions him as a sought-after early-stage partner for ambitious founders.

Investor Profile

Thomas McInerney has backed more than 40 startups, with 0 new investments in the last 12 months alone. The firm has led 0 rounds, about 0% of its total and boasts 15 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Seed, Series A, Angel rounds (top funding stages).
  • Majority of deals are located in United States, United Kingdom.
  • Strong thematic focus on Software, Mobile, Enterprise Software.
  • Typical check size: $25K – $100K.

Stage Focus

  • Seed (50%)
  • Series A (20%)
  • Angel (18%)
  • Pre Seed (5%)
  • Series B (5%)
  • Convertible Note (3%)

Country Focus

  • United States (93%)
  • United Kingdom (8%)

Industry Focus

  • Software
  • Mobile
  • Enterprise Software
  • Analytics
  • Internet
  • Advertising
  • Video
  • Travel
  • Apps
  • E-commerce
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FAQ

Frequently Asked Questions

Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.

Who does Thomas McInerney frequently co-invest with?

First Round Capital
North America, California, United States, San Francisco
Co-Investments: 4
TGM ventures
North America, California, United States, Santa Monica
Co-Investments: 9
ff Venture Capital
North America, New York, United States, New York
Co-Investments: 6
NALA Investments
North America, California, United States, Santa Monica
Co-Investments: 3
500 Global
North America, California, United States, San Francisco
Co-Investments: 5
Wonder Ventures
North America, California, United States, Santa Monica
Co-Investments: 4
Founder Collective
North America, Massachusetts, United States, Cambridge
Co-Investments: 4
Upfront Ventures
North America, California, United States, Santa Monica
Co-Investments: 3
Greycroft
North America, New York, United States, New York
Co-Investments: 4
Acequia Capital (AceCap)
North America, Washington, United States, Seattle
Co-Investments: 2

Which angels does Thomas McInerney often collaborate with?

GM
North America, Texas, United States, Austin
Shared Deals: 2
PC
North America, California, United States, Los Angeles
Shared Deals: 8
MC
North America, California, United States, Los Angeles
Shared Deals: 2
CL
North America, Tennessee, United States, Nashville
Shared Deals: 2
Daniel Broukhim
North America, California, United States, Los Angeles
Shared Deals: 2
MB
North America, California, United States, Los Angeles
Shared Deals: 2
NR
North America, California, United States, San Francisco
Shared Deals: 3
CS
North America, Washington, United States, Kirkland
Shared Deals: 4
MK
North America, California, United States, Oakland
Shared Deals: 2
PB
North America, California, United States, Los Angeles
Shared Deals: 5

What are some of recent deals done by Thomas McInerney?

Radiant

El Segundo, California, United States

Radiant develops a portable and zero-emissions power source that works anywhere.

Clean EnergyEnergyEnergy EfficiencyRenewable Energy
AngelSep 22, 2020
Amount Raised: $1,200,000
Ware

San Francisco, California, United States

Autonomous, self-flying drones + AI for warehouse inventory

Artificial Intelligence (AI)DronesEnterprise SoftwareLogisticsMachine LearningRoboticsSoftware
SeedAug 12, 2020
Amount Raised: $2,500,000
Replenysh

Orange, California, United States

Replenysh builds the operating system of material recovery.

InternetRecycling
SeedJul 7, 2020
Amount Raised: $2,000,000
Prewitt Ridge

Los Angeles, California, United States

Prewitt Ridge develops engineering augmentation software to help engineers design and build complex engineering systems.

Software
Pre SeedJun 8, 2020
Amount Raised: $620,000
David Energy

Brooklyn, New York, United States

David Energy is an energy company that leverages advanced technology to transform the way electricity is consumed, managed, and distributed.

EnergyEnergy EfficiencyEnergy ManagementSoftware
Pre SeedMar 11, 2020
Amount Raised: $1,500,000
Mootral

Abertillery, Blaenau Gwent, United Kingdom

Mootral is an AgriTech company focused on tackling two of the world's biggest crises: climate change and antimicrobial resistance (AMR).

AgTechAnimal FeedBiotechnology
SeedDec 1, 2019
Amount Raised: $6,000,000
Rahko

London, England, United Kingdom

Rahko is one of the world’s most advanced teams in quantum machine learning

ComputerHardwareMachine LearningSoftware
SeedOct 11, 2019
Amount Raised: $1,643,853
LabGenius

London, England, United Kingdom

LabGenius uses a machine learning-driven evolution engine to develop protein therapeutics.

Artificial Intelligence (AI)BiotechnologyMachine LearningRoboticsTherapeutics
SeedNov 24, 2017
Amount Raised: $3,660,000
Salted

Los Angeles, California, United States

Salted is a platform for developing and scaling better-for-you, QSR brands.

CookingFood and BeverageGrocerySoftware
AngelApr 14, 2017
Amount Raised: $1,200,000
Replicated

Los Angeles, California, United States

Replicated provides a platform for delivering and managing Kubernetes applications in any environment.

Cloud InfrastructureDeveloper ToolsEnterprise SoftwareSoftware
Series AOct 31, 2016
Amount Raised: $5,000,000