Sunny Kumar
Partner @ GSR Ventures
Palo Alto, United States
Sunny Kumar is a Series A investor at GSR Ventures in Palo Alto focused on Artificial Intelligence and Software. Sunny Kumar is based out of Palo Alto, California and is a Partner at GSR Ventures. Sunny brings a unique background as a Stanford-trained physician, having focused his career on bridging the gap between cutting-edge research and real-world impact, with pioneering work at the intersection of informatics, artificial intelligence, and translationalmedicine. Sunny Kumar attended Yale University for his Bachelor of Science in Molecular, Cellular, and Developmental Biology, Stanford University School of Medicine for his Doctor of Medicine degree, and Stanford University Graduate School of Business for his Master of Business Administration
- Total investments:
- 16
- Last investment:
- Lead investor:
- 63%
Last updated:
For AI agents: llms.txt
Industries Sunny Kumar invests in
Stages Sunny Kumar invests in
Countries Sunny Kumar invests in
Contacts
| Type | Contact | Validation |
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| Work email | ||
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| Work phone | ||
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Investment Focus
Industry
- Artificial Intelligence 4 (25%)
- Software 3 (19%)
- Machine Learning 3 (19%)
- Medical 2 (13%)
- Robotics 2 (13%)
Stage
- Series A 4 (25%)
- Series B 3 (19%)
- Seed 2 (13%)
- Series C 2 (13%)
- Pre-Seed 1 (6%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Autopoiesis Sciences builds next-generation AI models designed to unlock transformative scientific breakthroughs across all critical research domains. The company's approach focuses on developing foundational reasoning capabilities that can autonomously drive discovery in areas where traditional AI has failed to deliver reliable results. | Pre-Seed / Jul 30, 2025 | ||
| Nimble builds AI-powered robots that pick and pack anything to enable the fastest, most affordable, and most sustainable on-demand order fulfillment. | Series B / Mar 16, 2023 | ||
| Nimble Robotics specializes in AI-driven robots that automate the processes of picking and packing products, significantly enhancing efficiency in logistics. The company provides a complete eCommerce and omni-channel fulfillment service, allowing merchants to streamline their operations. | $65M / Series B / Mar 16, 2023 | ||
| Osso VR is a surgical training and assessment platform that uses advanced virtual reality to train and assess medical personnel. Their product offers realistic hand-based interactions in an immersive training environment containing cutting-edge procedures and devices. | $66M / Series C / Mar 24, 2022 | ||
| HealthRhythms develops a mental health assessment and treatment platform to measure and monitor health conditions. The company's solution utilizes deep machine learning and predictive analytics to create novel health assessments and just-in-time personalized interventions that improve the care delivery experience for patients, health plans,payers, and research organizations. | $11M / Seed / Feb 02, 2022 | ||
| Medable provides a global decentralized trial platform that streamlines design, recruitment, retention, and data quality, replacing siloed systems with integrated digital tools, data, and interfaces to accelerate trial execution. The platform connects patients, sites, and clinical trial teams to improve patient access, experience, and outcomes. Itis now used by leading biopharma sponsors and clinical research organizations worldwide and has been used for trials in 30+ countries and 26 languages.It was founded in 2015 and is headquartered in Palo Alto, California. | $304M / Series D / Oct 26, 2021 | ||
| Osso VR is a surgical training and assessment platform that uses advanced virtual reality to train and assess medical personnel. Their product offers realistic hand-based interactions in an immersive training environment containing cutting-edge procedures and devices. | $27M / Series B / Jul 07, 2021 | ||
| Medable provides a global decentralized trial platform that streamlines design, recruitment, retention, and data quality, replacing siloed systems with integrated digital tools, data, and interfaces to accelerate trial execution. The platform connects patients, sites, and clinical trial teams to improve patient access, experience, and outcomes. Itis now used by leading biopharma sponsors and clinical research organizations worldwide and has been used for trials in 30+ countries and 26 languages.It was founded in 2015 and is headquartered in Palo Alto, California. | $78M / Series C / Apr 15, 2021 | ||
| Nimble builds AI-powered robots that pick and pack anything to enable the fastest, most affordable, and most sustainable on-demand order fulfillment. | $50M / Series A / Mar 11, 2021 | ||
| Nimble Robotics specializes in AI-driven robots that automate the processes of picking and packing products, significantly enhancing efficiency in logistics. The company provides a complete eCommerce and omni-channel fulfillment service, allowing merchants to streamline their operations. | $50M / Series A / Mar 11, 2021 | ||
| See all 16 investments → | |||
Co-Investors
About GSR Ventures
GSR Ventures is a venture capital firm focused on technology companies developing AI-enabled enterprise software, consumer platforms, and healthcare technology. The firm backs entrepreneurs building disruptive businesses that have the potential to dominate multi-billion dollar markets. GSR Ventures currently manages about $3.7 billion across its funds.
GSR Ventures Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Daisy Jiang
Partner
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Zhiwei Yang
Partner
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Alex Pan
Affiliated Managing Director
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Allen Zhu
Managing Director
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James Ding
Managing Director
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FAQ
What does Sunny Kumar invest in?
Sunny Kumar invests primarily in Artificial Intelligence, Software and Machine Learning startups, most often at Series A and Series B stage. Most of the 16 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 Sunny Kumar?
Public channels for Sunny Kumar 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 Sunny Kumar last invest?
The most recent investment recorded for Sunny Kumar closed in Jul 2025. Shizune tracks 16 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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