KM

Kevin Mahaffey

North America, California, United States, San Francisco

Description

Kevin Mahaffey is a prominent entrepreneur and angel investor based in San Francisco, widely recognized for his foundational role in the mobile security and AI sectors. He co-founded Lookout, a pioneering mobile security company that raised over $280 million in venture capital, providing him with deep insights into scaling technology businesses and navigating complex market landscapes. This experience has significantly shaped his approach to investing, focusing on disruptive technologies and strong founding teams. Mahaffey's investment philosophy is characterized by an early-stage focus, often participating in seed and Series A rounds of companies poised for significant growth and impact.

Mahaffey's investment portfolio showcases a keen eye for transformative technology companies across various sectors, including artificial intelligence, space, and enterprise software. His notable investments, as tracked by platforms like Crunchbase, include early stakes in highly successful ventures such as OpenAI, Figma, Anthropic, Anduril Industries, and Instacart. He has demonstrated a willingness to back ambitious projects from their nascent stages, leveraging his operational expertise to support founders. For instance, he participated in the seed round of Humane, a company focused on AI-powered devices, and was a lead investor in Stork Club, a fertility benefits platform that secured a $2.7 million seed round.

As an active angel, Kevin Mahaffey typically deploys capital in the range characteristic of successful founders and "super angels." While specific check sizes are not always publicly disclosed, his participation in significant seed and Series A rounds suggests initial investments generally fall between $100,000 and $1,000,000. This range reflects his capacity to provide meaningful early capital to promising startups, often alongside institutional venture capital firms. His track record includes two reported exits, Cruise and Instacart, underscoring his ability to identify and support companies that achieve successful liquidity events. Mahaffey continues to be an influential figure in the startup ecosystem, contributing both capital and strategic guidance to the next generation of innovators.

Investor Profile

Kevin Mahaffey has backed more than 126 startups, with 3 new investments in the last 12 months alone. The firm has led 3 rounds, about 2% of its total and boasts 26 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Seed, Series A, Pre Seed rounds (top funding stages).
  • Majority of deals are located in United States, Canada, Israel.
  • Strong thematic focus on Software, SaaS, Enterprise Software.
  • Typical check size: $100K – $1M.

Stage Focus

  • Seed (66%)
  • Series A (20%)
  • Pre Seed (6%)
  • Series Unknown (3%)
  • Angel (2%)
  • Convertible Note (2%)
  • Series B (2%)

Country Focus

  • United States (88%)
  • Canada (5%)
  • Israel (2%)
  • Poland (2%)
  • France (1%)
  • India (1%)
  • Mexico (1%)
  • Singapore (1%)

Industry Focus

  • Software
  • Saas
  • Enterprise Software
  • Information Technology
  • Artificial Intelligence (Ai)
  • Cyber Security
  • Security
  • Analytics
  • Machine Learning
  • Mobile
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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 Kevin Mahaffey frequently co-invest with?

FundersClub
North America, California, United States, San Francisco
Co-Investments: 8
Trilogy Equity Partners
North America, Washington, United States, Bellevue
Co-Investments: 8
Liquid 2 Ventures
North America, California, United States, San Francisco
Co-Investments: 7
Y Combinator
North America, California, United States, Mountain View
Co-Investments: 22
Upside Partnership
North America, California, United States, Mill Valley
Co-Investments: 5
SV Angel
North America, California, United States, San Francisco
Co-Investments: 8
Initialized Capital
North America, California, United States, San Francisco
Co-Investments: 8
Slow Ventures
North America, California, United States, San Francisco
Co-Investments: 10
Haystack
North America, California, United States, San Francisco
Co-Investments: 5
Founders Fund
North America, California, United States, San Francisco
Co-Investments: 4

Which angels does Kevin Mahaffey often collaborate with?

SS
North America, California, United States, San Francisco
Shared Deals: 3
Daniel Curran
North America, California, United States, Santa Monica
Shared Deals: 3
LB
North America, California, United States, San Francisco
Shared Deals: 3
GR
North America, California, United States, San Francisco
Shared Deals: 3
PB
North America, California, United States, Mountain View
Shared Deals: 3
AO
North America, California, United States, San Francisco
Shared Deals: 3
OR
North America, California, United States, San Francisco
Shared Deals: 8
MB
North America, California, United States, San Francisco
Shared Deals: 3
CS
North America, Washington, United States, Kirkland
Shared Deals: 3
GT
North America, California, United States, San Francisco
Shared Deals: 3

What are some of recent deals done by Kevin Mahaffey?

Fleet Device Management

San Francisco, California, United States

Fleet Device Management offers an open-source device management platform for IT and endpoint security teams.

Cyber SecurityIT InfrastructureIT ManagementNetwork SecuritySoftware
Series BJun 17, 2025
Amount Raised: $27,000,000
Knostic

Tel Aviv, Tel Aviv, Israel

Knostic provides need-to-know access controls for Large Language Models (LLMs).

Generative AIRisk Management
SeedMar 5, 2025
Amount Raised: $11,000,000
Karman+

Denver, Colorado, United States

Karman+ is a space research and technology company that researches space mining, asteroids, and rare earth materials.

AerospaceRoboticsSpace Travel
SeedFeb 19, 2025
Amount Raised: $20,000,000
Resquared

Cincinnati, Ohio, United States

Resquared offers a SaaS application that works as a marketing automation platform for selling to local businesses.

Lead GenerationSaaSSearch Engine
SeedJul 23, 2024
Amount Raised: $5,000,000
bem

San Francisco, California, United States

Engineering teams use bem to transform any data point into whatever schema they need. Never build an integration again.

Artificial Intelligence (AI)Enterprise SoftwareLogisticsSupply Chain Management
SeedJun 6, 2024
Amount Raised: $3,700,000
Token Security

Tel Aviv, Tel Aviv, Israel

Identity security, SaaS, Cloud security

SeedMay 8, 2024
Amount Raised: $7,000,000
Knostic

Tel Aviv, Tel Aviv, Israel

Knostic provides need-to-know access controls for Large Language Models (LLMs).

Generative AIRisk Management
Pre SeedApr 11, 2024
Amount Raised: $3,300,000
Saleor Commerce

Wroclaw, Dolnoslaskie, Poland

The world’s fastest growing open-source ecommerce platform with billions of dollars transacted.

Developer APIsE-CommerceE-Commerce PlatformsOpen Source
SeedFeb 5, 2024
Amount Raised: $8,000,000
Monomer Bio

Pacifica, California, United States

Monomer Bio provides lab automation, cell culture management software, and hardware for biology companies.

BiotechnologyHardwareSoftwareSoftware EngineeringWeb Apps
SeedJan 31, 2024
Amount Raised: $5,600,000
dcbel

Montréal, Quebec, Canada

Dcbel offers AI-driven sustainable technologies which enable people to leverage solar energy to power their cars, homes, and lifestyles.

Artificial Intelligence (AI)Clean EnergyCleanTechElectric VehicleEnergySmart HomeSolar
Series BAug 17, 2023
Amount Raised: $50,000,000