John Byrnes is an experienced professional in the construction industry, currently serving as a Senior Preconstruction Manager at D|Watts Construction since October 2025. Prior to this role, John held positions at Corenic Construction, including Senior Estimator and Estimator, from February 2016 to September 2025. Earlier in the career, John worked as an Estimator at Spectrum Inc. General Contracting from April 2013 to January 2016, and as a Project Coordinator at Acentia from January 2010 to October 2012. John began the career as a Permit Expediter at Permit Pushers and has also gained experience as a Wealth Management Intern at Merrill Lynch. John holds a Bachelor of Science in Business Administration from Longwood University, obtained in 2009.
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