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IMPEP Contact Information

NRC Headquarters:

Division of Materials Safety, Security, State, and Tribal Programs (MSST) Acting Director

Dafna Silberfeld

301-287-0737

Division of Materials Safety, Security, State, and Tribal Programs (MSST) Acting Deputy Director

Celimar Valentin Rodriguez

301-415-7124

State Agreement and Liaison Programs Branch Chief

Adelaide Giantelli

​301-415-3521​

IMPEP Project Manager

Robert Johnson

301-415-7314

IMPEP Project Manager

Lee Smith

301-415-5139

Agreement State Travel and Training Coordinator

Karen Meyer

301-415-0113​

Regional State Agreement Officers (RSAOs):

Alabama, Georgia, Kentucky, North Carolina, New Hampshire, Rhode Island, South Carolina, Virginia, Vermont, & West Virginia

Shawn Seeley

610-337-5102

Connecticut, Florida, Massachusetts, Maine, Maryland, New Jersey, New York, Pennsylvania, & Tennessee

Farrah Gaskins

610-337-5143

Illinois, Indiana, Iowa, Minnesota, Ohio, & Wisconsin

Darren Piccirillo

630-829-9661

Arizona, Arkansas, California, Colorado, Nebraska, Nevada, New Mexico, & Washington

Randy Erickson

817-200-1143​

Kansas, Louisiana, Mississippi, North Dakota, Oklahoma, Oregon, Texas, Utah, & Wyoming

Jackie Cook

817-200-1132​

Regional State Liaison Officers (RSLOs):

Region I

Doug Tifft

610-337-6918​

Region II

Keion Henry

404-997-4427​

Region III

Allan Barker

630-829-9660

Region III

Harral Logaras

630-829-9659

Region IV

Ryan Alexander

817-200-1267​

Page Last Reviewed/Updated Wednesday, March 04, 2026

Page Last Reviewed/Updated Wednesday, March 04, 2026