Warfel Construction Company is pleased to announce John Costalas, LEED AP, has been promoted to Lead Estimator. In his new role, Costalas will oversee the development of all estimates generated out of the East Petersburg Office, and will play a significant role in the recruiting, hiring and training of the East Petersburg-based estimating team.

A graduate of Penn State University, Costalas joined Warfel in 2008 as Project Engineer. Costalas moved to the Estimating Department in 2013, and to date, has estimated projects totaling more than $147 million.