headquarters boston massachusetts key people john lamattina phd chairman yishai zohar phd ceo and founder robert w. armstrong phd chief business officer website http www.gelesis.com gelesis is a privately held biotechnology company located in boston massachusetts . 1 the company is developing orally administered medical devices made out of food ingredients that when taken with water expand in the stomach to give a feeling of satiety . the particles mix with food keeping it in the stomach longer and slowing the absorption of nutrients in the small intestine . 2 gelesis first investigational device gelesis100 is currently in proof of concept clinical studies for the treatment of obesity . 3 4 5 history edit gelesis was founded by puretech ventures . 6 the company s technology is based around technology out of the university of salento in italy . 2 alessandro sannino a professor of engineering at the university of salento is a co inventor of the technology . 1 gelesis has raised 42 million to date through four rounds of funding with the most recent round of 12m announced in may 2014 with puretech ventures pritzker vlock family office and other undisclosed investors participating . 7 references edit a b obesity capsule from gelesis made to swell up in the stomach passes first human trial . xconomy.com . april 22 2010 . a b gelesis resurfaces with 12m preps first weight loss data . xconomy.com . may 16 2014 . capsule effective in pre diabetic patients . bariatricnews.net . june 26 2014 . http www.nytimes.com 2014 06 23 business early results arrive on weight loss pills that expand in the stomach.html r 0 http www.bostonglobe.com business 2014 06 29 novel ways lose weight include stomach gel electrical impulses llzowmiw9d8yzsxxihsown story.html gelesis raises 12 million for pill that staves off hunger . betaboston.com . may 16 2014 . the daily startup medtronic spinout raises 40m to treat sleep apnea . wsj.com . may 16 2014 . external links edit http www.gelesis.com retrieved from https en.wikipedia.org w index.php title gelesis & oldid 743301470 categories biotechnology companies of the united statesamerican companies established in 2008companies based in boston navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 9 october 2016 at 01 21 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view