Seres Therapeutics Appoints Marella Thorell as Chief Financial Officer

CAMBRIDGE, Mass.–(BUSINESS WIRE)–Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, announced today that Marella Thorell will join as Executive Vice President and Chief Financial Officer (CFO), as of March 25th, following David Arkowitz’s retirement. Mr. Arkowitz has served as CFO since June 2021 and will be available to assist in the transition. 

Ms. Thorell is a seasoned enterprise leader with deep life sciences and biotechnology industry experience in both public and private companies. Prior to joining Seres, she served in executive positions with Evelo Biosciences, Centessa Pharmaceuticals, Palladio Biosciences and Realm Therapeutics.

“I am excited to welcome Marella and look forward to drawing from her extensive strategy development, corporate finance and operational experience. She brings industry-leading financial acumen and we look forward to working with her as we continue to commercialize VOWST and advance SER-155 toward a clinical readout,” said Eric Shaff, President and Chief Executive Officer of Seres. “We would also like to thank David for his leadership and many valuable contributions and wish him the very best in his retirement.”

Ms. Thorell commented, “I am thrilled to partner with the dedicated team at Seres as we advance our commercial product, VOWST, continuing to build on the early success of this new therapy in an area of high unmet need and progress our groundbreaking pipeline in microbiome therapeutics. I look forward to applying my decades of experience to enhance shareholder value.”

“I would like to thank my Seres colleagues and the board of directors for the opportunity to serve as Seres’s CFO and to support the launch of VOWST as the first-ever FDA-approved oral microbiome therapeutic,” said Mr. Arkowitz. “It has been a privilege to be part of the exciting journey at Seres and I am confident in the future success of the company given the field-leading science, talented management team, employees and board.”

About Seres Therapeutics
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. Seres is evaluating SER-155 in a Phase 1b study in patients receiving allogeneic hematopoietic stem cell transplantation. For more information, please visit www.serestherapeutics.com.