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Contact Us About the Environmental Information Exchange Network

Office of Environmental Information Contacts

Cathy McGuire
Branch Chief, Data Interoperability and Partnership Branch
(202) 566-9879
Cathy McGuire (mcguire.cathy@epa.gov)

Erin McGown
Program Manager, Exchange Network Grants
EN Grant Program (ENGrantProgram@epa.gov)
Erin McGown (mcgown.erin@epa.gov)


Regional Contacts

US EPA Region Map

Region 1Region 2Region 3Region 4Region 2Region 5Region 6Region 7Region 8Region 9Region 10Region 10

Region Regional Exchange Network Coordinators Phone Number
Region 1

Ed Kim (kim.ed@epa.gov)

Steven Zailskas (zailskas.steven@epa.gov)

(617) 918-1945

(617) 918-1959

Region 2 Barry Kaye (kaye.barry@epa.gov) (212) 637-3323
Region 3 Dorthy Swearingen (swearingen.dorthy@epa.gov) (215) 814-3157
Region 4 James Davies (davies.james@epa.gov) (404) 562-8232  
Region 5

Robert Senow (senow.robert@epa.gov)

(312) 886-0977

Region 6 Anthony Matthews (matthews.anthony@epa.gov) (214) 665-8552
Region 7 Carmen Quizon (quizon.carmen@epa.gov) (913) 551-7060
Region 8

Darrel Williams (williams.darrel@epa.gov)

Tamara Barbakova (barbakova.tamara@epa.gov)

(303) 312-6765

(303) 312-6970

Region 9

Wendy Fong (fong.wendy@epa.gov)

Brian Sheppard (sheppard.brian@epa.gov)

(415) 972-3631

Region 10 Harry Denton (denton.harry@epa.gov) (206) 553-2953

Please use the form below to send us comments or questions. Be sure to include your e-mail address if you’d like a response.

Mailing Address:
US Environmental Protection Agency
Exchange Network Program Office, Mail Code 2823 T
1200 Pennsylvania Avenue NW
Washington, DC 20460

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Exchange Network

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Contact Us to ask a question, provide feedback, or report a problem.
Last updated on March 27, 2025
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