Michael Marsh
Chief Human Resources Officer Spero Therapeutics
Michael Marsh is an HR executive with broad experience across manufacturing, biotech, and specialty pharma. He served as Human Resources Executive at Spero Therapeutics from 2021 to 2024, and has since worked as Acting Human Resources Director at SVP Worldwide, in addition to interim HR leadership roles at Ananke Therapeutics and Millendo Therapeutics, where he supported HR through a company wind-down. Earlier in his career, he spent over four years as Human Resources Director at Nemak, overseeing HR across nine manufacturing plants and a workforce of 2,500.
Seminars
Tuesday 8th December 2026
Discover: How Spero Therapeutics Turned a Reduction in Force Into a Loyalty Engine
3:50 pm
- How can an organization navigate a reduction in force with enough care that former employees choose to come back?
- Discover how Spero Therapeutics handled its RIF with transparency and fairness, kept relationships alive by re-engaging former employees as consultants, and avoided a “two pool” commercial versus R&D culture split that nearly took hold during a failed commercialization push
- Learn how this culture first approach means at least 75% of Spero’s next phase of growth is expected to come from returning employees, proof that how you treat people on the way out shapes whether they come back
Tuesday 8th December 2026
Develop: Turning a Reduction in Force Into a Loyalty Story
4:30 pm
This interactive Q&A looks at how to navigate a reduction in force with enough care that trust, and sometimes employees, come back.
- Handling a reduction in force with transparency and fairness
- Re-engaging former employees as consultants or returning hires
- Using high-touch management to protect retention
