Sean Callahan

Sean Callahan, PE, serves as a Discipline Engineer - Civil at H2M architects + engineers since November 2011, focusing on the design and coordination of projects in Nassau, Suffolk, Rockland, and Westchester Counties, NY. Prior experience includes positions as Project Manager/Senior Civil Engineer at Borton-Lawson, where responsibilities encompassed planning, design, permitting, and client satisfaction in Land Development projects across various sectors. Sean's engineering career began with roles at Reilly Associates, A. Morton Thomas & Associates, Inc., and Robert C. Bogart & Associates, progressing from Assistant Engineer to Civil Engineer. Early experience includes assisting at the Luzerne County Engineers Office. Sean earned a Bachelor of Science degree in Civil Engineering from Lafayette College in 1999.