Field Technician Seth Visnofsky is a Field Technician at CORE Environmental Services, Inc. He attended Slippery Rock University, graduating with a Bachelor of Science [...]
Marissa Wiggins
core-jbirch2024-08-12T16:17:09-04:00Staff ScientistMarissa Wiggins is a Staff Scientist at CORE Environmental. She attended Slippery Rock university where she received her B.S. in Geology. Marissa has three [...]
Renee Sweeney
core-jbirch2024-01-22T14:38:57-05:00Project Assistant and Office Manager Renee Sweeney has been with CORE since 2004 and assists the project teams by compiling all types of technical [...]
Daniel Petruski
core-jbirch2024-12-02T15:45:24-05:00Staff Scientist Dan is a Staff Scientist in CORE’s Environmental Compliance Division. He is involved with routine reporting services and quality control. He attended [...]
Ireland Killen
core-jbirch2023-05-26T11:00:09-04:00Staff Scientist Ireland Killen is a Staff Scientist at CORE Environmental. She attended California University of Pennsylvania where she received her B.S. in Geology. [...]
Sandy Zbur
core-jbirch2020-12-03T09:45:07-05:00Benefits & Payroll Administrator/ Billing Specialist Sandy began working at CORE shortly after it was founded in 2001. Over the years, her position and [...]