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Marella Thorell Resigns as EVP and CFO of Seres Therapeutics

PUBLIC · MCRBOct 26, 2026

Position

Chief Financial Officer

Company

Seres Therapeutics

Marella Thorell
CambridgeBiotechnologyHealth CareTherapeutics

Description

On October 22, 2026, Marella Thorell announced her resignation from her role as Executive Vice President and Chief Financial Officer of Seres Therapeutics, effective November 15, 2026. After her departure, she will provide advisory services to support a smooth transition. The terms of her advisory services are yet to be finalized.

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Company Information

Company

Seres Therapeutics

Location

Cambridge, Massachusetts, United States

About

Seres Therapeutics, Inc. (Nasdaq: MCRB) is a commercial-stage company developing novel microbiome therapeutics for serious diseases. Seres’ lead program, VOWST™, obtained U.S. FDA approval in April 2023 as the first orally administered microbiome therapeutic to prevent recurrence of C. difficile infection (CDI) in adults following antibacterial treatment for recurrent CDI and is being commercialized in collaboration with Nestlé Health Science.

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