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C.J. Sadera of RoundSquare Builders

C.J. Sadera

VP, Construction

With over thirty years of experience in the construction industry, C.J. brings a different dimension of knowledge to RoundSquare Builders. His diverse portfolio includes museums, medical facilities, schools, commercial interiors, restaurant, hotel, retail and residential projects.


Upon graduation from Marist College and New York University, he worked through the ranks as Superintendent, General Superintendent, Senior Project Manager, Account Executive and Vice President of Operations for some of New York City’s most prestigious firms, including Structure Tone, JA Jones/GMO, and most recently RC Dolner, where he served for over 12 years.


Recent notable clients include the large scale projects at the Metropolitan Museum of Art, Lincoln Center for the Performing Arts and New-York Historical Society. In his spare time, C.J. enjoys spending time with his family, working on cars and DIY projects around the house, riding motorcycles and rooting for the New York Giants, NJ Devils, and the New York Yankees.

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