# Michael Rosenbaum

> Michael Rosenbaum is the Baltimore-based founder and former CEO of Catalyte and the founder, CEO, and chairman of Arena. His work connects predictive analytics, workforce development, and access to employment. A former Clinton-administration economist and lawyer, he also ran briefly for Maryland governor in 2021 and was inducted into the Maryland Business Hall of Fame in 2023.

- **Role:** Founder, CEO, and Chairman of the Board at Arena
- **Organizations:** Catalyte, Arena, Maryland State and D.C. AFL-CIO, American Enterprise Institute Higher Education Working Group, Johns Hopkins University (former trustee)
- **Education:** BA, Russian Studies and Government, Harvard University, Master’s degree in Economics, London School of Economics and Political Science, JD, Harvard Law School
- **Known for:** Founded Catalyte in 2000 and led it as CEO until 2016., Founded Arena, extending his work in predictive workforce analytics., Maryland Business Hall of Fame inductee, 2023.

## Career timeline

- **1990s** — Worked on trade issues at the U.S. State Department and as an economist in the Clinton White House.
- **Before 2000** — Clerked for Judge Diana Gribbon Motz of the U.S. Court of Appeals for the Fourth Circuit.
- **2000** — Founded the business now known as Catalyte in Baltimore.
- **2014** — Established Arena as a separate business, according to his account of the spinout.
- **2016** — Jacob Hsu became Catalyte CEO; Rosenbaum moved from CEO to executive chairman.
- **2021-05** — Entered the Democratic contest for the 2022 Maryland gubernatorial election.
- **2021-11** — Ended his gubernatorial campaign and announced a return to the private sector.
- **2023** — Inducted into the Maryland Business Hall of Fame.
- **2025-04** — Delivered the keynote at the Johns Hopkins HopStart venture competition.
- **2026-06** — Began serving as Lead for Strategic Planning at Maryland State and D.C. AFL-CIO, according to his public LinkedIn profile.

## Achievements

- Founded Catalyte in 2000 and led it as CEO until 2016.
- Founded Arena, extending his work in predictive workforce analytics.
- Maryland Business Hall of Fame inductee, 2023.
- Keynote speaker at Johns Hopkins HopStart, April 25, 2025.

## Latest updates

- **2026-06** — Public LinkedIn lists a new role as Lead for Strategic Planning at Maryland State and D.C. AFL-CIO.
- **2025-04** — Delivered the keynote at Johns Hopkins HopStart on April 25.

## Links

- Website: https://mikerosenbaum.com/
- LinkedIn: https://www.linkedin.com/in/michael-rosenbaum-0b82883/

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Profile page: https://yespress.io/michael-rosenbaum
Published by YesPress — https://yespress.io
Last updated: 2026-10-25