Our Team View Bio Jesse Plumley, P.E. President View Bio Julian F. Clark, P.E. Vice President Managing Engineer – Civil Department View Bio Dale Vollmer, P.E. Managing Engineer – Environmental Department Joel D. Plumley, P.E. Founder and President Emeritus of Plumley Engineering, P.C. William J. Spizuoco, PE Senior Engineer - Environmental Department View Bio David K. Meixell, P.E. Senior Engineer – Environmental Department View Bio Frank A. Karboski, P.G. Senior Geologist and Manager of Geoscience Field Operations View Bio Geoffrey Hillenbrand, E.I.T. Staff Engineer View Bio Jay J. Lee Staff Drafter View Bio Matthew T. Martin GIS Manager / Senior Environmental Scientist View Bio Derk T. Hudson Geologist View Bio Lynne A. Hamilton-Johnson, MBA Comptroller View Bio Carrie E. Price Office Manager Amanda McCarthy Administrative Assistant Want to work with us? Schedule A Consultation