Meet Our Leadership Team
Executive Staff

  Photo of Mary Ryan
Mary G. Ryan *
Photo of Nicholas Colucci
Nicholas Colucci *
 Deputy Administrator


Assistant Administrators

Photo of Jill Murphy
Jill Murphy *
External Affairs/
Chief of Staff
Photo of Ronald Hancock
Nicholas Colucci
Field Operations
Photo of Elisabeth Kann
Elisabeth Kann *
Headquarters Operations
Photo of Robert Hughes
Robert J. Hughes
Information Resources/Chief Information Officer
Photo of Cheri Mitchell
Cheri D. Mitchell
Management/Chief Financial Officer
Photo of Dan Riordan
Dan Riordan
Permitting and Taxation


Deputy Assistant Administrators 

Photo or Ronald Hancock
Ronald Hancock
Field Operations
Photo or Gail Davis
Gail Davis
Headquarters Operations
Photo of Pamela Sikowitz
Pamela Sikowitz
Permitting and Taxation


Office/Division Directors and Managers


Page last reviewed: September 18, 2018
Page last updated: June 11, 2020 
Maintained by: Office of Communications