

Gelesis Information
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Gelesis
Summary
Gelesis is a private company that has been in the industry for 20 years. The company currently specializes in the Biotechnology, Biotechnology areas. The position of the Founder & CEO is occupied by Yishai Zohar. Its headquarters is located at Boston, Massachusetts, USA. The number of employees ranges from 25 to 100. The annual revenue of Gelesis varies between 5.0M and 25M. Total funding of the company - $202.4M. To connect with Gelesis employee register on SignalHire.
Organization Website | gelesis.com |
Social Links | |
Phone Number | 617-482-2333 |
Industries | |
Headquarters Location | 501 Boylston St, Boston, MA, 02116 US |
Employees Size | 10-50 employees |
Specialties | Medical Devices, Obesity, Diabetes |
SIC Code | 2836 |
DMA Code | Greater Boston |
Founded | 2006 |
Estimated Annual Revenue | $5.0M - 25M |
Operating Status | Merger Pending |
Competitors
Founded | Type | Employees | Revenue | Funding | |
|---|---|---|---|---|---|
| 1997 | Public Company | 250 - 500 | < 1M | $258.6M | |
| 2007 | Public Company | 25 - 100 | 15M | $210.9M | |
| 2008 | Public Company | 25 - 100 | 1.1M | $284.4M | |
| 1991 | Public Company | 25 - 100 | 73.2M | $84.6M |
Employees Turnover 4 quarter 2025
Length of Employment
Employee tenure at Gelesis shows a diverse range of experience levels:
4% have been with the company for less than 1 year7% for 1–2 years11% for 3–4 years22% for 5–7 years19% for 8–10 years37% have over 11 years of service at GelesisEx-employees positions
In Company
In New Company
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Gelesis
Susan Fiedler
Finance and Procurement Manager
Denise Zeitler
Project Manager
HyunJun Kim
APPE Elective Rotation
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FAQ
Gelesis operates in the Biotech industries. More details can be found on the official website: gelesis.com.
The headquarters of Gelesis are located in Boston, United States.
The current CEO of Gelesis is Yishai Zohar
You can contact Gelesis by phone at 617-482-2333.
Gelesis currently employs 10-50 people.
Gelesis's revenue is approximately 15.9M.
Well-known competitors of Gelesis include Arena Pharmaceuticals, Inc., Regulus Therapeutics, Rhythm Pharmaceuticals Inc. and VIVUS LLC.









