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:
For AI agents: llms.txt
Industries Brian L. Butler invests in
Stages Brian L. Butler invests in
Countries Brian L. Butler invests in
Contacts
| Type | Contact | Validation |
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| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Software 1 (50%)
- Analytics 1 (50%)
- Health Care 1 (50%)
- Machine Learning 1 (50%)
- Artificial Intelligence 1 (50%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| 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 is a healthcare venture growth equity firm investing in breakout growth companies.
Questa Capital Management Contacts
| Name | Phone | Socials | |
|---|---|---|---|
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Aabed Meer
Partner
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Bradley Sloan
Managing Partner
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Bradley Sloan
Managing Partner
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Brian L. Butler
Vice President
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Ryan Drant
Founder & Managing Partner
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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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