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  2. Exchange Network

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
RegionRegional Exchange Network CoordinatorsPhone Number
Region 1Ed Kim (kim.ed@epa.gov) 
Steven Zailskas (zailskas.steven@epa.gov)
(617) 918-1945 
(617) 918-1959
Region 2Barry Kaye (kaye.barry@epa.gov)(212) 637-3323
Region 3Vanessa Davies (davies.vanessa@epa.gov)(215) 814-2801
Region 4James Davies (davies.james@epa.gov)(404) 562-8232  
Region 5Robert Senow (senow.robert@epa.gov)(312) 886-0977
Region 6Anthony Matthews (matthews.anthony@epa.gov)(214) 665-8552
Region 7Carmen Quizon (quizon.carmen@epa.gov)(913) 551-7060
Region 8Tamara Barbakova (barbakova.tamara@epa.gov)(303) 312-6970
Region 9Brian Sheppard (sheppard.brian@epa.gov)(415) 972-3635
Region 10Harry Denton (denton.harry@epa.gov) 
Emilie Hoy (hoy.emilie@epa.gov)
(206) 553-2953 
(206) 553-8694

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

  • Learn about the Environmental Information Exchange Network
  • Exchange Network Grant Program
  • Cross-Media Electronic Reporting Rule (CROMERR)
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Contact Us About the Environmental Information Exchange Network to ask a question, provide feedback, or report a problem.
Last updated on August 4, 2025
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