Nate Lesser

Nate Lesser has spent the last 20 years driving innovation at the nexus of technology and security. He has held technical and executive positions in government, non-profits, and the private sector. As the Children’s National Hospital (CNH) Chief Information Security Officer (CISO), Lesser is responsible for leading the cybersecurity function and protecting CNH patients, families, and staff.

Prior to joining Children’s National, Lesser served as the Managing Director of Cypient, where he advised clients on enterprise cybersecurity capabilities, conducted standards-based assessments, and designed solutions to reduce clients’ cyber risk. Before founding Cypient, Lesser served as the Deputy Director of the National Cybersecurity Center of Excellence (NCCoE), at the National Institute of Standards and Technology (NIST), where he ran the national lab dedicated to solving cybersecurity challenges, including medical device security. 

Earlier in his career, Lesser spent several years in Booz Allen Hamilton’s cybersecurity practice, leading a team of cybersecurity engineers providing support to several federal agencies including the Departments of Homeland Security, Defense, State, Health and Transportation. Lesser has also worked at the Office of Management and Budget (OMB) as a policy analyst and Presidential Management Fellow. Lesser has a Masters and Bachelor degree in Electrical Engineering from Columbia University in New York City. He is a frequent public speaker with over 30 publications and presentations on various topics in cybersecurity.