Attached files

file filename
S-1 - S-1 - Gelesis Incd816226ds1.htm
EX-4.7 - EX-4.7 - Gelesis Incd816226dex47.htm
EX-4.4 - EX-4.4 - Gelesis Incd816226dex44.htm
EX-3.1 - EX-3.1 - Gelesis Incd816226dex31.htm
EX-4.2 - EX-4.2 - Gelesis Incd816226dex42.htm
EX-4.6 - EX-4.6 - Gelesis Incd816226dex46.htm
EX-4.3 - EX-4.3 - Gelesis Incd816226dex43.htm
EX-4.5 - EX-4.5 - Gelesis Incd816226dex45.htm
EX-3.2 - EX-3.2 - Gelesis Incd816226dex32.htm
EX-10.2 - EX-10.2 - Gelesis Incd816226dex102.htm
EX-10.6 - EX-10.6 - Gelesis Incd816226dex106.htm
EX-10.3 - EX-10.3 - Gelesis Incd816226dex103.htm
EX-10.5 - EX-10.5 - Gelesis Incd816226dex105.htm
EX-10.7 - EX-10.7 - Gelesis Incd816226dex107.htm
EX-10.1 - EX-10.1 - Gelesis Incd816226dex101.htm
EX-10.12 - EX-10.12 - Gelesis Incd816226dex1012.htm
EX-10.11 - EX-10.11 - Gelesis Incd816226dex1011.htm

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the use in this Registration Statement on Form S-1 of our report dated April 1, 2015 relating to the consolidated financial statements of Gelesis, Inc., appearing in the Prospectus, which is part of this Registration Statement. We also consent to the reference to us under the heading “Experts” in such Prospectus.

/s/ Deloitte & Touche LLP

Boston, Massachusetts

April 1, 2015