Gelesis
Boston, US · Delaware corporation · 7 known investors
Find your way into Gelesis
Sign up to see every warm intro you have to Gelesis
- Paths you didn't know you had: your email and LinkedIn already hold routes to the Gelesis team. We find them for you
- 2nd- and 3rd-degree connections: the friend-of-a-friend routes that take hours to manually find through your inbox or LinkedIn
- Answers now, not in days: momentum is everything in a raise. Skip asking around whether someone knows someone
Days of research, done the moment you sign in, with every route ranked by how warm it is.
Gelesis develops an oral superabsorbent hydrogel platform (OHS) built from naturally derived materials that works locally in the GI tract to influence satiety signals and support metabolic health. Its product Plenity is a clinically studied aid for weight management in overweight or obese adults with a BMI of 25 to 40 when combined with diet and exercise.
Founders & leadership
Board

Investors · 7
How we know: LaunchCapital's portfolio page · board seat on SEC Form D · the VCSheet dataset · Not right? Tell us
How we know: salicainvestments.com · Not right? Tell us
How we know: funding news · fiercebiotech.com · Not right? Tell us
How we know: funding news · Not right? Tell us
How we know: fiercebiotech.com · Not right? Tell us
How we know: funding news · Not right? Tell us
Funding
SEC filings, press & company announcements$115.5M disclosed across 2 of 3 rounds · 2015–2019
- $84MraisedDec 2019 · 2 sourcesSource ↗
▶$31.5MraisedDec 2015 · 6 investors · BiotechnologyRule 506(c)
- Meghan FitzgeraldDirector
- John LaMattinaDirector
- Elon BomsDirector
- Robert ForresterDirector
- Yishai ZoharExecutive Officer, Director
- Elliot MaltzExecutive Officer
- Offering amount
- $34M
- Amount sold
- $31.5M
- First sale
- Dec 2015
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06c
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Founder mafia
2 people who came through Gelesis went on to found or lead other companies.
Related companies · 4
Companies working in the same space as Gelesis.
Frequently asked questions
- What does Gelesis do?
- Gelesis develops an oral superabsorbent hydrogel platform (OHS) built from naturally derived materials that works locally in the GI tract to influence satiety signals and support metabolic health. Its product Plenity is a clinically studied aid for weight management in overweight or obese adults with a BMI of 25 to 40 when combined with diet and exercise.
- Who founded Gelesis?
- Gelesis was founded by Yishai Zohar.
- Who are Gelesis's investors?
- Gelesis's investors include LaunchCapital, Salica Investments, Capstar Ventures, Invesco, OrbiMed, PureTech Health, Vitruvian Partners.
- How much funding has Gelesis raised?
- Gelesis has disclosed $115.5M raised across 2 of its 3 known rounds.
- Where is Gelesis headquartered?
- Gelesis is headquartered in Boston, US.










