Ben Maser
Angel Investor
San Francisco Bay Area, United States
Ben Maser is a seed investor in San Francisco Bay Area focused on Apps and Fitness. Ben currently works as Physician Director, Division of Ambulatory Surgery at Palo Alto Medical Foundation, Sutter Health.
- Total investments:
- 3
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Ben Maser invests in
Stages Ben Maser invests in
Countries Ben Maser invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $1.2M–$3M
Investment Focus
Industry
- Apps 2 (67%)
- Fitness 2 (67%)
- Wellness 2 (67%)
- Health Care 2 (67%)
- Mobile Apps 2 (67%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Zero Longevity Science is on a mission to extend the lifespan and healthspan of the human race. We provide science-backed tools and resources to help our members build healthy habits, extend longevity, and improve metabolic wellbeing. Since our inception in 2018, our members have lost millions of pounds, reversed disease, and unlocked more energyto enjoy longer and better lives. | $3M / Seed / Aug 06, 2019 | ||
| Zero is a personal health and fitness platform. It is a fasting tracker used for intermittent, circadian rhythm, and custom fasting. Zero was founded in 2016. | $1.2M / Seed / Sep 05, 2018 | ||
| Zero Longevity Science is on a mission to extend the lifespan and healthspan of the human race. We provide science-backed tools and resources to help our members build healthy habits, extend longevity, and improve metabolic wellbeing. Since our inception in 2018, our members have lost millions of pounds, reversed disease, and unlocked more energyto enjoy longer and better lives. | $1.2M / Seed / Sep 05, 2018 |
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FAQ
What does Ben Maser invest in?
Ben Maser invests primarily in Apps, Fitness and Wellness startups, most often at Seed stage. Most of the 3 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Ben Maser's check size?
Ben Maser typically joins rounds of $1.2M–$3M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Ben Maser participates in.
How do I contact Ben Maser?
Public channels for Ben Maser 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 Ben Maser last invest?
The most recent investment recorded for Ben Maser closed in Aug 2019. Shizune tracks 3 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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