SB

Scott Banister

North America, California, United States, San Francisco

Description

Scott Banister is a highly influential American entrepreneur and prolific angel investor, widely recognized for his visionary early-stage investments in some of the most transformative technology companies of the past two decades. His entrepreneurial journey includes co-founding IronPort, a leading email and web security appliance company that was acquired by Cisco for a substantial $830 million in 2007. Prior to this, Banister played a crucial role as an early advisor and board member at PayPal, which famously went public before being acquired by eBay for $1.5 billion, cementing his reputation as a shrewd identifier of disruptive potential.

As an angel investor, Banister has cultivated a reputation as a "super angel," focusing primarily on seed and early-stage opportunities within the internet, software, and emerging technology sectors. He is known for backing companies with strong technical founders and innovative solutions to large market problems. His impressive portfolio boasts early investments in an array of tech giants, including a reported $100,000 investment in Google in 1999, which yielded significant returns. Other notable early bets include Facebook, Uber, SpaceX, Zappos, and Twilio, showcasing his consistent ability to spot future market leaders.

Banister's investment strategy often involves providing not just capital but also strategic guidance, leveraging his deep operational experience from his own successful ventures. His typical first check sizes reflect his position as a prominent angel, generally ranging from $100,000 for promising seed-stage startups to as much as $1,000,000 for more established early-stage companies or as a lead investor in a significant angel round. With over 100 reported investments and more than 30 successful exits in his portfolio, Scott Banister continues to be a pivotal figure in the Silicon Valley investment landscape, actively shaping the next generation of technology innovation.

Investor Profile

Scott Banister has backed more than 151 startups, with 4 new investments in the last 12 months alone. The firm has led 8 rounds, about 5% of its total and boasts 57 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, Canada, Israel.
  • Strong thematic focus on Software, Internet, Mobile.
  • Typical check size: $100K – $1M.

Stage Focus

  • Seed (52%)
  • Series A (24%)
  • Angel (9%)
  • Series B (6%)
  • Series Unknown (3%)
  • Series C (3%)
  • Pre Seed (1%)
  • Convertible Note (1%)
  • Debt Financing (1%)
  • Series E (1%)

Country Focus

  • United States (95%)
  • Canada (2%)
  • Israel (1%)
  • Hong Kong (1%)
  • India (1%)
  • United Kingdom (1%)

Industry Focus

  • Software
  • Internet
  • Mobile
  • Information Technology
  • Artificial Intelligence (Ai)
  • Social Media
  • Machine Learning
  • Saas
  • Financial Services
  • Fintech
circle-line
FAQ

Frequently Asked Questions

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

Who does Scott Banister frequently co-invest with?

First Round Capital
North America, California, United States, San Francisco
Co-Investments: 17
Long Journey Ventures
North America, California, United States, San Francisco
Co-Investments: 11
500 Global
North America, California, United States, San Francisco
Co-Investments: 15
Founder Collective
North America, Massachusetts, United States, Cambridge
Co-Investments: 7
Y Combinator
North America, California, United States, Mountain View
Co-Investments: 12
SV Angel
North America, California, United States, San Francisco
Co-Investments: 22
Andreessen Horowitz
North America, California, United States, Menlo Park
Co-Investments: 7
Kima Ventures
Europe, Ile-de-France, France, Paris
Co-Investments: 8
Founders Fund
North America, California, United States, San Francisco
Co-Investments: 13
Khosla Ventures
North America, California, United States, Menlo Park
Co-Investments: 9

Which angels does Scott Banister often collaborate with?

Daniel Curran
North America, California, United States, Santa Monica
Shared Deals: 5
AP
North America, California, United States, San Francisco
Shared Deals: 13
PB
North America, California, United States, Mountain View
Shared Deals: 6
Cyan Banister
North America, California, United States, San Francisco
Shared Deals: 66
AO
North America, California, United States, San Francisco
Shared Deals: 5
HP
North America, Washington, United States, Bellevue
Shared Deals: 12
AH
North America, California, United States, San Francisco
Shared Deals: 6
NR
North America, California, United States, San Francisco
Shared Deals: 11
ML
North America, California, United States, San Francisco
Shared Deals: 7
GT
North America, California, United States, San Francisco
Shared Deals: 5

What are some of recent deals done by Scott Banister?

Barndoor AI

New York, New York, United States

Barndoor AI offers a centralized governance layer to manage granular access, policy enforcement, and visibility across agentic AI workforce.

Artificial Intelligence (AI)Data GovernanceSaaS
SeedMay 19, 2025
Amount Raised: $13,600,000
Together AI

San Francisco, California, United States

Together AI is a cloud-based platform designed for constructing open-source generative AI and infrastructure for developing AI models.

Artificial Intelligence (AI)Generative AIInternetIT InfrastructureOpen Source
Series BFeb 20, 2025
Amount Raised: $305,000,000
Validated

Seattle, Washington, United States

Acquire users via paid ads. We generate, deploy, and manage your performance ads.

SeedFeb 18, 2025
Amount Raised: $5,500,000
Justpoint

New York, New York, United States

Justpoint is a law firm technology platform that identifies harmful products and practices that affect public health.

Artificial Intelligence (AI)Big DataHealth CareInsuranceLegal TechMachine LearningMedical
Series AFeb 12, 2025
Amount Raised: $45,000,000
Arcee.ai

Miami, Florida, United States

Arcee.ai develops context-adapted LLMs through their domain-adapted language model system (DALM).

Artificial Intelligence (AI)Generative AIIntelligent SystemsMachine Learning
Series AJul 18, 2024
Amount Raised: $24,000,000
Together AI

San Francisco, California, United States

Together AI is a cloud-based platform designed for constructing open-source generative AI and infrastructure for developing AI models.

Artificial Intelligence (AI)Generative AIInternetIT InfrastructureOpen Source
Series AMar 13, 2024
Amount Raised: $106,000,000
Stell

Venice, California, United States

Stell is a platform that digitizes the relationship between aerospace companies and their suppliers with a living specification workflow

Document ManagementDocument PreparationSoftware
SeedFeb 1, 2024
Amount Raised: $4,000,000
Validated

Seattle, Washington, United States

Acquire users via paid ads. We generate, deploy, and manage your performance ads.

Pre SeedJan 15, 2024
Amount Raised: $1,820,000
Highlight

San Francisco, California, United States

Highlight is an open-source and full-stack monitoring platform.

Developer ToolsOpen SourceSoftware
SeedAug 15, 2023
Amount Raised: $8,000,000
Together AI

San Francisco, California, United States

Together AI is a cloud-based platform designed for constructing open-source generative AI and infrastructure for developing AI models.

Artificial Intelligence (AI)Generative AIInternetIT InfrastructureOpen Source
SeedMay 15, 2023
Amount Raised: $20,000,000