Nitin Natarajan – VISS25
Owner, NN Global, LLC; Former Deputy Director, Cybersecurity and Infrastructure Security Agency (CISA)
Nitin Natarajan is the owner of NN Global, LLC, an advisory firm that focuses on issues such as critical infrastructure resilience, cybersecurity, healthcare, and emergency management. He advises public and private sector entities on actions that they can take to strengthen their resilience against cyber and physical threats.
Prior to this role, he was appointed to serve as the Deputy Director for the US Cybersecurity and Infrastructure Security Agency (CISA) in February 2021 and served in that role until January 2025. At CISA he led and managed programmatic and business operations for a 3,400+ employee/$3B federal agency. He represented the agency in key domestic and international policy forums and led efforts to shape US defensive cybersecurity and critical infrastructure resilience policies and programs. He’s been called upon frequently to keynote conferences around the world on cybersecurity, critical infrastructure resilience, and healthcare topics.
Prior to CISA he served as an executive with consulting firms in the US, providing subject matter expertise on a variety of topics, including cybersecurity, homeland and national security, critical infrastructure protection, environmental emergency management, continuity of operations, and health security matters.
Natarajan also held a number of federal government roles to include Deputy Assistant Administrator at the U.S. Environmental Protection Agency, the Director of Critical Infrastructure Policy at the White House/National Security Council, and as a Director at the U.S. Health and Human Services overseeing various healthcare and public health programs.
Prior to serving in the federal government, Natarajan served in positions at the state/local government level and served as a hospital administrator in New York.
At the beginning of his career, Natarajan spent 13 years as a first responder in New York, which included service as a flight paramedic. He was the Commander of a federal medical response team, based in New York, and has extensive experience deploying to natural and man-made disasters throughout the nation.
He holds an undergraduate degree from the State University of New York and a graduate degree from the United States Naval Postgraduate School.
Nitin Natarajan is the owner of NN Global, LLC, an advisory firm that focuses on issues such as critical infrastructure resilience, cybersecurity, healthcare, and emergency management. He advises public and private sector entities on actions that they can take to strengthen their resilience against cyber and physical threats.
Prior to this role, he was appointed to serve as the Deputy Director for the US Cybersecurity and Infrastructure Security Agency (CISA) in February 2021 and served in that role until January 2025. At CISA he led and managed programmatic and business operations for a 3,400+ employee/$3B federal agency. He represented the agency in key domestic and international policy forums and led efforts to shape US defensive cybersecurity and critical infrastructure resilience policies and programs. He’s been called upon frequently to keynote conferences around the world on cybersecurity, critical infrastructure resilience, and healthcare topics.
Prior to CISA he served as an executive with consulting firms in the US, providing subject matter expertise on a variety of topics, including cybersecurity, homeland and national security, critical infrastructure protection, environmental emergency management, continuity of operations, and health security matters.
Natarajan also held a number of federal government roles to include Deputy Assistant Administrator at the U.S. Environmental Protection Agency, the Director of Critical Infrastructure Policy at the White House/National Security Council, and as a Director at the U.S. Health and Human Services overseeing various healthcare and public health programs.
Prior to serving in the federal government, Natarajan served in positions at the state/local government level and served as a hospital administrator in New York.
At the beginning of his career, Natarajan spent 13 years as a first responder in New York, which included service as a flight paramedic. He was the Commander of a federal medical response team, based in New York, and has extensive experience deploying to natural and man-made disasters throughout the nation.
He holds an undergraduate degree from the State University of New York and a graduate degree from the United States Naval Postgraduate School.
