Sam Negron

Sam Negron currently serves as the Director of Application Security at Circle since September 2025. Prior to this role, Sam worked as a Cyber Security Officer at both Siemens and Brightly from September 2023 to September 2025. Between March 2020 and September 2023, Sam held the position of Chief Security Officer at Enlighted Inc. Sam's earlier experience includes serving as the Penetration Testing Team Lead at Siemens from June 2011 to March 2020, and roles at Blue Canopy, SAIC, and BearingPoint, encompassing various positions related to penetration testing and consulting. Sam's educational background includes a degree from the University of Maryland, attended from 1999 to 2003. Expertise includes ethical hacking, network security, application testing, penetration testing, and vulnerability scanning.