Exhibit 16.1

 

May 10, 2022

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Commissioners:

We have read the statements made by Gelesis Holdings, Inc. (formerly Capstar Special Purpose Acquisition Corp.) under Item 4.01 of its Form 8-K dated May 10, 2022. We agree with the statements concerning our Firm in such Form 8-K; we are not in a position to agree or disagree with other statements of Gelesis Holdings, Inc. (formerly Capstar Special Purpose Acquisition Corp.) contained therein.

Very truly yours,

/s/ Marcum LLP

 

 

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