Mark Ritchie, P.E.

Emeritus

Mark Ritchie founded Carlisle-based Ritchie Engineering in 2000 and then merged with Providence Engineering in 2017. After more than 37 years serving clients throughout the Mid-Atlantic and Ohio Valley regions, Mark retired in June 2021. You might now find him on the golf course with his wife Lisa, or spending time with family, including his three grandsons.