LiRo-Hill Strengthens Boston Operations With Key Leadership Hires

Christopher Simmler joins the engineering, architecture and technology firm as a senior vice president, and Charles Rooney is appointed vice president.
Published: July 14, 2025

Multidisciplinary engineering, architecture, and technology firm LiRo-Hill (Syosset, N.Y.) has announced in a news release the strategic expansion of its leadership team in the Boston region with the hiring of four professionals.

Christoper Simmler joins the firm as a senior vice president with more than 28 years of experience delivering projects in the built environment for clients in the healthcare, life sciences, education, and government sectors.

Charles Rooney is appointed vice president, bringing more than 30 years of experience as a civil engineer.

Also added to the leadership team in the firm’s Boston office are Todd Columbus, tasked with helping to grow the firm’s mechanical engineering services; and David Choi, bringing more than 26 years of architectural and design leadership.

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Read more news about Liro-Hill here.

 

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