Biography:

Cynthia Marble serves as SIGMA’s Chief Operating Officer and Senior Vice President for Training Operations, overseeing all training, consultation, and program development operations throughout the U.S. She is a nationally-recognized leader with over 25 years of experience in the fields of threat assessment and threat management, protective intelligence investigations, national security, executive protection, and global security operations. Before joining SIGMA, Mrs. Marble served for over 26 years with the U.S. Secret Service, most recently as the Special Agent in Charge for the U.S. Secret Service Houston Field Office.