---
title: "Spero Therapeutics appoints Debra Jeske Zack as chief medical officer"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/293929513.md"
description: "Spero Therapeutics has appointed Debra Jeske Zack as its new chief medical officer. In this role, she will lead the clinical development strategy, specifically focusing on advancing SP001 into clinical trials. Zack brings extensive experience from previous leadership positions at Exagen, Xencor, Novartis, and Amgen, where she managed global development for Enbrel."
datetime: "2026-07-27T12:06:45.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/293929513.md)
  - [en](https://longbridge.com/en/news/293929513.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/293929513.md)
generator: "portal-rs"
---

# Spero Therapeutics appoints Debra Jeske Zack as chief medical officer

-   Spero Therapeutics appointed Debra Jeske Zack as chief medical officer to lead clinical development strategy as it advances SP001 into clinical development. \* Zack most recently served as chief medical officer at Exagen; previously held clinical leadership roles at Xencor and Novartis’ Biotherapeutics Development Unit. \* At Amgen, she was global development lead for Enbrel; earlier spent 10 years as an associate professor at UCLA treating rheumatology patients. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Spero Therapeutics Inc. published the original content used to generate this news brief via GlobeNewswire (Ref. ID: 202607270800PRIMZONEFULLFEED9788251) on July 27, 2026, and is solely responsible for the information contained therein. © Copyright 2026 - Public Technologies (PUBT)

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**