Each member of our leadership team is an established member in the civil engineering or land surveying field. They provide leadership and their expertise to PLSA staff and the development community at large. With decades of experience solving difficult challenges and successfully navigating the ever-changing regulatory framework, our leadership team demonstrates an unparalleled level of knowledge while upholding our company values: commitment to our clients, commitment to our employees, and commitment to the quality of our work.


W. Justin Suiter, P.E.


Gregory W. Lang, P.E.


Tyler Lawson, P.E.

Associate Principal

William G. Mack, P.E.

Associate Principal