Key Personnel

Because NAEVA Geophysics is determined to provide our clients quality work that will not be surpassed by our competitors, we have maintained a key staff of motivated, highly-qualified associates in order to provide an effective team for every environmental geophysical task. NAEVA’s professional staff has a wide range of geology and geophysical project experience that includes work with environmental, engineering, and government agencies. NAEVA’s key staff includes:

Virginia Office


John Allan
President / Geologist

John Breznick
General Manager / Geologist

Mark Howard
Project Manager / Senior Geologist

Jon Guillard
Project Manager / Senior Data Processor / Senior Geologist

Alexander Kostera
Project Manager / Senior Geologist

Karen Lemley
Project Manager / Senior Geophysicist

Alison Paski
Senior Data Processor / Senior Geophysicist

Penny Johnson
Project Manager / Senior Geologist / Database Design Specialist

New York Office


Mark Weis
Manager - New York Operations / Senior Geologist

Hiromi Hamajima
Project Manager / Senior Geologist

Gerald Williamson
Project Manager / Senior Geologist

Russell Dobler
Project Manager / Geophysicist

Kelly Weyer
Project Manager / Geologist

Frank Amorosana
Project Manager / Geologist / Health & Safety Officer

New York
225 N. Route 303, Suite 102
Congers, New York 10920
(845) 268-1800
(845) 268-1802 FAX

P.O. Box 7325
Charlottesville, Virginia 22906
(434) 978-3187
(434) 973-9791 FAX