Our Team

View Bio

Joel D. Plumley, P.E.

Founder and President of Plumley Engineering, P.C.

View Bio

Dale R. Vollmer, P.E.

Managing Engineer – Environmental Department

View Bio

Frank A. Karboski, P.G.

Senior Geologist and Manager of Geoscience Field Operations

View Bio

Julian F. Clark, P.E.

Managing Engineer – Civil Department

View Bio

David K. Meixell, P.E.

Senior Engineer – Environmental Department

View Bio

Jesse D. Plumley, P.E.

Project Engineer

View Bio

Geoffrey A. Hillenbrand, E.I.T.

Staff Engineer

m_orborne

Matthew R. Osborne

Staff Engineer

View Bio

Matthew T. Martin

GIS Manager / Senior Environmental Scientist

View Bio

Derk T. Hudson

Geologist

View Bio

Jay J. Lee

View Bio

Christine A. Sykes

Office Manager / Senior Administrator / Technical Writer

View Bio

Lynne A. Hamilton-Johnson, MBA

Comptroller

View Bio

Carrie E. Price

Administrative Assistant / Assistant Technician

Want to work with us?