Our Staff
Executive, Administration & Finance
Andrew D. Dehoff, P.E.
Executive Director
Executive Director
Andrew J. Gavin
Deputy Executive Director
Deputy Executive Director
Marcia E. Hutchinson
Director, Administration and Finance
Director, Administration and Finance
Jason E. Oyler, Esq.
General Counsel
General Counsel
Marjorie Danko
Receptionist
Donna Heiser
Accounting Assistant
Ava A. Stoops
Administrative Specialist 1
Gordon D. Lauger
Manager, Accounting
Manager, Accounting
Brydon H. Lidle III
Manager, Information Technology
Manager, Information Technology
Charles G. Frank
Web Application Developer
Mike Sweitzer
Systems Administrator
Bret A. Wagner
Database Developer
Jeffrey L. Zimmerman
GIS Developer
Technical Programs
Paula B. Ballaron, P.G.
Manager, Policy Implementation and Outreach
Manager, Policy Implementation and Outreach
Compliance & Enforcement
Eric R. Roof
Manager, Compliance & Enforcement
Manager, Compliance & Enforcement
Jeremy M. Hoffman
Supervisor, Compliance
Jeremy S. Brooks
Compliance Specialist 2 (Sayre Field Office)
Rachelle A. Eby
Compliance Specialist 2
Maurita E. Hewitt
Compliance Specialist 2
Dorinda M. Kennedy
Administrative Specialist 1 (Sayre Field Office)
Trenton R. Knapp
Compliance Specialist 1 (Sayre Field Office)
Chad R. Martier
Compliance Specialist 2
Steven A. McFeaters
Compliance Specialist 3
Cassie Papp
Compliance Specialist 1
Christopher Southard
Compliance Specialist 1 (Sayre Field Office)
Cathy Wood
Administrative Specialist 1
Monitoring & Protection
James P. Shallenberger
Manager, Monitoring and Protection
Manager, Monitoring and Protection
Joshua Brengel
Environmental Scientist 1
Thomas J. Clark
Environmental Scientist 3
Kevin H. McGonigal
Environmental Scientist 3
Monitoring & Assessment
Ellyn J. Campbell
Supervisor, Monitoring & Assessment
Aaron M. Henning, CFP
Aquatic Biologist 2
Brianna Hutchison, CFP
Aquatic Biologist 2
Matthew K. Shank, CFP
Aquatic Biologist 2
Luanne Y. Steffy, ESA, C.E.
Aquatic Biologist 2
Restoration & Protection
Tyler E. Shenk
Supervisor, Restoration & Protection
Joanna Berry
Environmental Associate
Kimberly A. Dagen
Environmental Scientist 1
Matthew M. Elsasser
Environmental Technician
Dawn R. Hintz
Environmental Scientist 3
Joshua Inners
Environmental Technician
Kyle T. Kessler
Environmental Technician
Andrew B. King
Environmental Technician
Blake Maurer
Environmental Technician
Planning & Operations
John W. Balay, P.H., P.E.
Manager, Planning & Operations
Manager, Planning & Operations
Hilary D. Hollier
Administrative Specialist 1
Can Liu
Hydrologist 1
Pierre O. MaCoy, P.G.
Hydrologist 2
Graham D. Markowitz
Hydrologist 1
Benjamin A. Pratt, P.E., CFM
Water Resources Engineer
Project Review
Todd D. Eaby, P.G.
Manager, Project Review
Manager, Project Review
Stacie L. DeCock
Administrative Specialist 1
Erin Lynam
Aquatic Biologist 3
Cynthia L. Obenstine
Administrative Specialist 2
Groundwater
Michael K. Appleby, P.G.
Supervisor, Groundwater
Brent F. Bauman, P.G.
Hydrologist 2
Tina M. Entenman, P.G.
Hydrologist 2
Scott L. McFeaters, P.G.
Hydrologist 2
William L. Miller, P.G.
Hydrologist 2
Jeffrey C. Thomas, P.G.
Hydrologist 2
Surface Water
Michael F. College, P.E.
Supervisor, Surface Water
Brook Flynn
Hydrologist 1
David M. Haklar
Environmental Scientist 1
Glenda A. Miller
Approval by Rule (ABR) Coordinator
Bryan D. Snyder
Hydrologist 1
Wesley M. Reitz
Hydrologist 1