Sara Holoubek

Founding Partner and Executive Advisory | Board member | Investor

📍 New York, New York, United States🔄 Updated September 2026💼 8 investments📅 14 years investing🗓 Last invested Jul 2020𝕏 @upgrade_to_unlock
Operator-angel🌍 United States
8
Total investments
5
Early stage
3
Mid stage
0
Late stage
14y
Years active

Portfolio

8 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Angel Investor
Jul 2020
We help urban planners and designers use the voices of today to design a better tomorrow! Prioritize making your design decisions by being community-informed. Our cloud-based analytics solution transforms feedback into insights for teams working to understand experiences. Use data from surveys, interviews, community meetings, or Twitter to understand the diverse experiences of your community. Get multilingual surveys, survey design support, and research support with our all-in-one solution powered by NLP and built with ethics + equity at the core.
Independent Board Member
Jul 2019
Contextere is an industrial software company creating AI-enabled solutions focused on human performance. Our mission is to transform the future of work using AI to deliver actionable intelligence for the last tactical mile.      The contextere insight engine extracts, structures and fuses previously inaccessible MRO data and applies machine learning to provide immediate insights (for analytics teams) and curated decision support (for frontline workers).      Using a combination of data extraction, machine learning and a natural language interfaces the contextere insight engine increases situational awareness, builds semantic understanding of dynamic data environments and reduces cognitive overload.      Imagine “Siri”, but specifically designed for an industrial environment. Learn more at: www.contextere.com
Angel Investor
Mar 2019
Founded in 2018, Abridge is the first AI-native clinician intelligence platform organized around the patient, built for clinicians, and designed to help health systems coordinate the clinical, financial, and evidence-based decisions for every moment of care. Powered by purpose-built AI for healthcare, Abridge connects patients, providers, payers, and life sciences companies. This year, the platform will support more than 100 million patient-clinician conversations across 300 of the largest and most complex health systems in the U.S. With deep EHR integration, Abridge’s automatic speech recognition and note generation has been validated to capture encounters in 28+ languages across specialties and care settings. Abridge is setting the industry standard for the responsible deployment of AI across health systems. Features like Linked Evidence map AI-generated clinical documentation to source data, helping clinicians quickly trust and verify the output. Abridge was awarded Best in KLAS for Ambient AI in 2025 and 2026, in addition to other accolades, including TIME Best Inventions of 2024 and 2025, CNBC Disruptor 2025, and Fast Company’s Most Innovative Companies 2025.
Angel Investor
Nov 2016
Iodine is a new kind of healthcare company, with a mission to change medicine by helping people find what works best for them. We're based in San Francisco and believe in the power of people to make good decisions. The company was founded in 2013, and in Sept. 2014 launched our first product, an online resource on medication information and real-world experience with medications, based on a database of more than 100,000 reports from Americans. Since September 2013, Iodine has been the lead developer with the Food and Drug Administration on the openFDA research and development project. Everything we do is grounded in three truths: Data, Design, and Humanity. Data means that we start with science, and leverage technology to bring it to scale. We combine data from valid research including the FDA and Cochrane Reviews, and we capture new data that can generate new insights. We use design to build useful tools that work for real people, and to communicate serious information clearly and accurately. And we aim to serve real people in the real world, with empathy, respect, and honesty. Our mission is to experience into better medicine. Learn more by contacting us at hello@iodine.com
Angel Investor
Jan 2016
The Baby Box Co. is a rewards-based online platform that educates parents from pregnancy through early childhood. Founded by a mom and her best friend, the company is focused on a simple yet vital mission: to keep kids safe by supporting their parents. We partner with leading healthcare professionals to create educational video courses around every phase of infant and toddler development, and we reward parents’ participation with useful products, from Baby Boxes for safe sleep to quality care essentials. By providing these services at no charge to every family, we have a positive impact across the economic spectrum. Our work is sponsored by healthcare organizations, government agencies and product manufacturers who believe in what we do. With their help, The Baby Box Co. has distributed more than 300,000 Baby Boxes across the U.S., U.K. and Canada, and we now have parenting courses and rewards available in all 50 states. Our recent round of V.C. funding has allowed us to grow our L.A. headquarters and offer benefits that improve employee quality of life. Some of our unique perks include paid transit or parking, subsidized mobile phones and 3+ weeks PTO. But our most important benefit will always be our common goal: helping parents raise kids who thrive.
Angel Investor
Jan 2014
Iodine is a new kind of healthcare company, with a mission to change medicine by helping people find what works best for them. We're based in San Francisco and believe in the power of people to make good decisions. The company was founded in 2013, and in Sept. 2014 launched our first product, an online resource on medication information and real-world experience with medications, based on a database of more than 100,000 reports from Americans. Since September 2013, Iodine has been the lead developer with the Food and Drug Administration on the openFDA research and development project. Everything we do is grounded in three truths: Data, Design, and Humanity. Data means that we start with science, and leverage technology to bring it to scale. We combine data from valid research including the FDA and Cochrane Reviews, and we capture new data that can generate new insights. We use design to build useful tools that work for real people, and to communicate serious information clearly and accurately. And we aim to serve real people in the real world, with empathy, respect, and honesty. Our mission is to experience into better medicine. Learn more by contacting us at hello@iodine.com
Angel Investor
Jan 2014
Clue is the #1 women-led period and cycle tracker, loved by over 100 million women and people with cycles around the world. Available in 23 languages and over 190 countries, Clue helps its members turn their cycle into a powerful tool to discover patterns, stay on top of changes, and make informed health decisions. With one of the largest datasets of longitudinal menstrual health information globally, Clue partners with leading research institutions to advance understanding in women’s health and close longstanding data gaps. Clue is committed to empowering people with accurate health information while setting the standard for data privacy, security and user trust.
Angel Investor
Sep 2012
Evidation creates new ways to measure and improve health in everyday life—making proactive, personalized, and truly human-centered healthcare possible. By connecting directly with millions of individuals, Evidation harnesses real-world data to deeply understand health experiences, rapidly and at scale. Evidation’s privacy-centric digital health measurement and engagement platform uses data science and machine learning to translate these everyday insights into high-impact health guidance, treatments, and tools. Founded in 2012, Evidation is headquartered in California with employees working around the globe.
Experience · 10 entries
All (10)
Investments (8)
Founder (2)
Board (1)
2020
Angel Investor
Jul 2020
We help urban planners and designers use the voices of today to design a better tomorrow! Prioritize making your design decisions by being community-informed. Our cloud-based analytics solution transforms feedback into insights for teams working to understand experiences. Use data from surveys, interviews, community meetings, or Twitter to understand the diverse experiences of your community. Get multilingual surveys, survey design support, and research support with our all-in-one solution powered by NLP and built with ethics + equity at the core.
2019
Independent Board Member
Jul 2019
Contextere is an industrial software company creating AI-enabled solutions focused on human performance. Our mission is to transform the future of work using AI to deliver actionable intelligence for the last tactical mile.      The contextere insight engine extracts, structures and fuses previously inaccessible MRO data and applies machine learning to provide immediate insights (for analytics teams) and curated decision support (for frontline workers).      Using a combination of data extraction, machine learning and a natural language interfaces the contextere insight engine increases situational awareness, builds semantic understanding of dynamic data environments and reduces cognitive overload.      Imagine “Siri”, but specifically designed for an industrial environment. Learn more at: www.contextere.com
Angel Investor
Mar 2019
Founded in 2018, Abridge is the first AI-native clinician intelligence platform organized around the patient, built for clinicians, and designed to help health systems coordinate the clinical, financial, and evidence-based decisions for every moment of care. Powered by purpose-built AI for healthcare, Abridge connects patients, providers, payers, and life sciences companies. This year, the platform will support more than 100 million patient-clinician conversations across 300 of the largest and most complex health systems in the U.S. With deep EHR integration, Abridge’s automatic speech recognition and note generation has been validated to capture encounters in 28+ languages across specialties and care settings. Abridge is setting the industry standard for the responsible deployment of AI across health systems. Features like Linked Evidence map AI-generated clinical documentation to source data, helping clinicians quickly trust and verify the output. Abridge was awarded Best in KLAS for Ambient AI in 2025 and 2026, in addition to other accolades, including TIME Best Inventions of 2024 and 2025, CNBC Disruptor 2025, and Fast Company’s Most Innovative Companies 2025.
2016
Angel Investor
Nov 2016
Iodine is a new kind of healthcare company, with a mission to change medicine by helping people find what works best for them. We're based in San Francisco and believe in the power of people to make good decisions. The company was founded in 2013, and in Sept. 2014 launched our first product, an online resource on medication information and real-world experience with medications, based on a database of more than 100,000 reports from Americans. Since September 2013, Iodine has been the lead developer with the Food and Drug Administration on the openFDA research and development project. Everything we do is grounded in three truths: Data, Design, and Humanity. Data means that we start with science, and leverage technology to bring it to scale. We combine data from valid research including the FDA and Cochrane Reviews, and we capture new data that can generate new insights. We use design to build useful tools that work for real people, and to communicate serious information clearly and accurately. And we aim to serve real people in the real world, with empathy, respect, and honesty. Our mission is to experience into better medicine. Learn more by contacting us at hello@iodine.com
Angel Investor
Jan 2016
The Baby Box Co. is a rewards-based online platform that educates parents from pregnancy through early childhood. Founded by a mom and her best friend, the company is focused on a simple yet vital mission: to keep kids safe by supporting their parents. We partner with leading healthcare professionals to create educational video courses around every phase of infant and toddler development, and we reward parents’ participation with useful products, from Baby Boxes for safe sleep to quality care essentials. By providing these services at no charge to every family, we have a positive impact across the economic spectrum. Our work is sponsored by healthcare organizations, government agencies and product manufacturers who believe in what we do. With their help, The Baby Box Co. has distributed more than 300,000 Baby Boxes across the U.S., U.K. and Canada, and we now have parenting courses and rewards available in all 50 states. Our recent round of V.C. funding has allowed us to grow our L.A. headquarters and offer benefits that improve employee quality of life. Some of our unique perks include paid transit or parking, subsidized mobile phones and 3+ weeks PTO. But our most important benefit will always be our common goal: helping parents raise kids who thrive.
Show all 10 entries ↓
Investment activity
2012–2020 · 8 investments
2012120142201622019220201
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