Company: SION
Filing Date: 2025-04-29
Form Type: DEF 14A
Source: 0001193125-25-101830
Chunk: 16

Company: Sionna Therapeutics, Inc.
Filing Date: 2025-04-29
Form: DEF 14A
Chunk 16
---
 of Pandion 10

Therapeutics, Inc. (NASDAQ: PAND) (“Pandion”) (acquired by Merck & Co Inc. (NYSE: MRK)) from March 2017 to October 2021. Dr. Viney currently serves on the boards of directors of several private companies, including Seismic and Lab Central, Inc. Dr. Viney previously served on the boards of directors of Graphite Bio, Inc. (NASDAQ: GRPH) (now Lenz Therapeutics, Inc. (NASDAQ: LENZ)) from March 2021 to March 2024, Harpoon Therapeutics, Inc. (NASDAQ: HARP) from July 2020 to June 2023, Finch Therapeutics Group, Inc. (NASDAQ: FNCH) from August 2019 to March 2023 and several private companies. Dr. Viney received her B.Sc. with Honors in biophysical science from the University of East London and her Ph.D. from the University of London, St. Bartholomew’s Hospital Medical School. We believe Dr. Viney’s substantial leadership experience and scientific background in the biotechnology industry provides her with the appropriate set of skills to serve as a member of our board of directors.

Marcella Kuhlman Ruddy, M.D. has served as a member of our board of directors since January 2025. Dr. Ruddy has over 20 years of experience in drug development. Dr. Ruddy has served as the chief medical officer of Tectonic Therapeutic, Inc. (NASDAQ: TECX) since July 2021. From June 2016 to June 2021, Dr. Ruddy served as vice president of clinical development, immunology at Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN), where she oversaw the clinical development of Dupixent. She is a trained pulmonologist who founded and led the Adult Cystic Fibrosis center at Massachusetts General Hospital, Boston from 1999-2004 prior to starting her drug development career at Merck & Co Inc. (NYSE: MRK). Dr. Ruddy has served on the board of directors of Upstream Bio, Inc. (NASDAQ: UPB) since January 2023. Dr. Ruddy previously served on the board of directors of Polarean, Inc. from August 2022 to June 2024. Dr. Ruddy received her B.A. in history from Princeton University and her