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Brian L. Butler, Vice President at Questa Capital Management

Brian L. Butler

Vice President @ Questa Capital Management

San Francisco, United States

Brian L. Butler is a Series B investor at Questa Capital Management in San Francisco focused on Software and Analytics. Brian L. Butler - Vice President @ Questa Capital Management

Total investments:
2
Last investment:
Lead investor:
100%

Last updated:

Industries Brian L. Butler invests in

SoftwareAnalyticsHealth CareMachine LearningArtificial Intelligence

Stages Brian L. Butler invests in

Series B

Countries Brian L. Butler invests in

United States

Contacts

TypeContactValidation
Work email
Personal email
Work phone
Personal phone
Socials

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Investment Focus

Industry

  • Software 1 (50%)
  • Analytics 1 (50%)
  • Health Care 1 (50%)
  • Machine Learning 1 (50%)
  • Artificial Intelligence 1 (50%)

Investments

CompanyDescriptionRoundLinks
EnsoData is a startup that utilizes artificial intelligence to analyze the human body to diagnose health conditions. EnsoData, whose software uses machine learning algorithms to help clinicians score sleep data and diagnose patients with sleep apnea and other disorders, has now realized that dream—and then some. EnsoData's autoscoringalgorithm combines AASM scoring best practices with cutting edge machine learning algorithms that learn and adapt to every single patient. $20M / Series B / Jun 25, 2025
Eximis Surgical is developing an enabling technology that allows surgeons to quickly remove large specimens through small incisions. Its technology uses RF energized cutting wires temporarily held in place within a containment bag. It was founded in 2014 and headquartered in Louisville, Colorado. $15.3M / Venture - Series Unknown / Apr 24, 2023

Co-Investors

Questa Capital Management

About Questa Capital Management

VC Fund · San Francisco, United States

Questa Capital Management is a healthcare venture growth equity firm investing in breakout growth companies.

Questa Capital Management Contacts

NameEmailPhoneSocials
Aabed Meer Partner
Bradley Sloan
Bradley Sloan Managing Partner
Bradley Sloan
Bradley Sloan Managing Partner
Brian L. Butler
Brian L. Butler Vice President
Ryan Drant
Ryan Drant Founder & Managing Partner

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Any industry
Video Games
Hospitality
EdTech
Restaurants
Google
Construction
Photography
Clean Energy
CleanTech
Big Data
Email
Artificial Intelligence
Social Impact
SaaS
Energy
Mobile
Consumer
Health Care
Enterprise Software
Local
Platforms
Travel
InsurTech
Cryptocurrency
Oil and Gas
Retail
Film
Payments
Marketplace
Fitness
Organic Food
Machine Learning
Agriculture (AgTech)
Gaming
Facebook
Social Network
Blockchain
B2B
Medical Device
Education
Wellness
Sports
Automotive
eSports
Legal
Biotechnology
Software
Renewable Energy
Crowdfunding
Recruiting
Web3
Medical
Theatre
Venture Capital
Social
Infrastructure
Beauty
Fashion
Climate
LGBT
Cannabis
Celebrity
Life Science
Food and Beverage
Publishing
Mobile Apps
Wine and Spirits
Music
Art
Real Estate
Sporting Goods
Manufacturing
FinTech
Finance
Digital Media
Social Media
Financial Services
Franchise
Non Profit
Internet
Mobile Advertising
Android
Proptech
Impact
Sustainability
Hardware
Biotech
Transportation
Enterprise
Community
Media (Entertainment)
Any country
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Greece
United Kingdom
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United Arab Emirates
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Taiwan
Zimbabwe
Tunisia
Sweden
Oceania
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Nigeria
Togo
Croatia
Iran
Guinea
Haiti
Kyrgyzstan
Norway
Lesotho
Isle of Man
Liberia
Malawi
Nepal
Mexico
Madagascar
Russian Federation
Sudan
Pakistan
Tajikistan
Zambia
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FAQ

What does Brian L. Butler invest in?

Brian L. Butler invests primarily in Software, Analytics and Health Care startups, most often at Series B stage. Most of the 2 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

How do I contact Brian L. Butler?

Public channels for Brian L. Butler include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

When did Brian L. Butler last invest?

The most recent investment recorded for Brian L. Butler closed in Jun 2025. Shizune tracks 2 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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