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Cal Henderson

North America, California, United States, San Francisco

Description

Cal Henderson is the co-founder and CTO of Slack. He is an experienced technology leader, having previously built and led the engineering te...

Investor Profile

Cal Henderson has backed more than 13 startups, with 4 new investments in the last 12 months alone. The firm has led 0 rounds, about 0% of its total and boasts 0 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Seed, Pre Seed, Series A rounds (top funding stages).
  • Majority of deals are located in United States, United Kingdom, Poland.
  • Strong thematic focus on Software, Information Technology, Artificial Intelligence (AI).

Stage Focus

  • Seed (46%)
  • Pre Seed (23%)
  • Series A (23%)
  • Series B (8%)

Country Focus

  • United States (77%)
  • United Kingdom (8%)
  • Poland (8%)
  • Finland (8%)

Industry Focus

  • Software
  • Information Technology
  • Artificial Intelligence (Ai)
  • Saas
  • Enterprise Software
  • Productivity Tools
  • Computer
  • Developer Platform
  • Developer Tools
  • Network Security
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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 Cal Henderson frequently co-invest with?

Sequoia Capital
North America, California, United States, Menlo Park
Co-Investments: 1
Dig Ventures
Europe, England, United Kingdom, London
Co-Investments: 2
WestWave Capital
North America, California, United States, Redwood City
Co-Investments: 1
01 Advisors
North America, California, United States, San Francisco
Co-Investments: 1
Accel
North America, California, United States, Palo Alto
Co-Investments: 1
Cota Capital
North America, California, United States, San Francisco
Co-Investments: 1
Firsthand Alliance
North America, New York, United States, New York
Co-Investments: 2
Shift Left Ventures
North America, California, United States, Palo Alto
Co-Investments: 1
Semapa Next
Europe, Lisboa, Portugal, Lisbon
Co-Investments: 2
Firstminute Capital
Europe, England, United Kingdom, London
Co-Investments: 2

Which angels does Cal Henderson often collaborate with?

AG
North America, California, United States, San Francisco
Shared Deals: 1
CC
North America, California, United States, San Francisco
Shared Deals: 1
AG
North America, California, United States
Shared Deals: 1
CH
North America, California, United States, San Francisco
Shared Deals: 1
GS
North America, California, United States, Mountain View
Shared Deals: 1
GW
Europe, Southern Finland, Finland, Helsinki
Shared Deals: 1
AR
Europe, Southern Finland, Finland, Helsinki
Shared Deals: 1
SB
North America, California, United States, San Francisco
Shared Deals: 4
IA
North America, California, United States, San Francisco
Shared Deals: 2
AM
North America, California, United States, San Francisco
Shared Deals: 1

What are some of recent deals done by Cal Henderson?

Pally

San Francisco, California, United States

Pally is an AI-native relationship intelligence app.

Artificial Intelligence (AI)Consumer SoftwareProductivity ToolsSocial CRM
Pre SeedJun 30, 2025
Amount Raised: $1,100,000
Swarmia

Helsinki, Southern Finland, Finland

Swarmia develops a business management software that provides insights and tools to engineering leaders, managers, and teams.

Business DevelopmentInformation TechnologyProductivity ToolsSaaS
Series AJun 18, 2025
Amount Raised: $11,508,208
Created by Humans

San Francisco, California, United States

Created by Humans allows creators to sell license rights for AI training.

Artificial Intelligence (AI)Information ServicesInformation TechnologySoftware
SeedJan 28, 2025
Amount Raised: $5,500,000
Brightband

San Francisco, California, United States

Brightband is a software company that develops an advanced, end-to-end Earth System AI to improve weather and climate-related decisions.

Artificial Intelligence (AI)Information TechnologySoftware
Series ASep 19, 2024
Amount Raised: $10,000,000
Noded Ai

San Francisco, California, United States

Noded Ai is preparing yourself for that customer meeting is tough.

Web Development
SeedJul 22, 2024
Amount Raised: $4,000,000
Amplifier Security

San Francisco, California, United States

Amplifier Security utilizes AI-powered technology to enable security teams to modernize their approach.

Network SecurityRisk ManagementSoftware
Pre SeedApr 24, 2024
Amount Raised: $3,300,000
Linear

San Francisco, California, United States

Linear allows users to manage software development and track bugs.

ComputerDeveloper PlatformDeveloper ToolsSoftware
Series BSep 14, 2023
Amount Raised: $35,000,000
Panobi

San Francisco, California, United States

Panobi is a SaaS company currently in stealth.

SaaS
SeedAug 24, 2023
Amount Raised: $5,000,000
Soveren

London, England, United Kingdom

Soveren's Data Security Posture Management (DSPM) enables companies to observe and protect sensitive data in their application environments.

Artificial Intelligence (AI)B2BCloud SecurityCyber SecuritySaaS
SeedFeb 20, 2023
Amount Raised: $3,600,000
Kadence

San Francisco, California, United States

Kadence optimizes hybrid workplaces and schedules, enhancing team productivity, improving retention, and reducing real estate costs.

Enterprise SoftwareFacility ManagementHuman ResourcesOffice AdministrationScheduling
SeedDec 6, 2022
Amount Raised: $10,000,000