John Tien

John Tien is a distinguished professional with a significant background in both military service and public administration. He currently serves as the Assistant Health Physicist at the California Department of Public Health, where he applies his expertise in health physics to ensure public safety regarding radiation and nuclear materials.

Background and Education

John Tien holds a Bachelor of Science degree in civil engineering from the United States Military Academy at West Point, where he made history as the first Asian American to serve as First Captain, the top-ranked cadet position. He furthered his education with a Master of Arts in Philosophy, Politics, and Economics from Oxford University, where he was a Rhodes Scholar. Additionally, Tien is a National Security Fellow at the Harvard Kennedy School.

Professional Experience

Prior to his current role, Tien had an extensive career in various high-profile positions:

• He served as the Deputy Secretary of the U.S. Department of Homeland Security from June 2021 to July 2023, overseeing significant operations and budgets within one of the largest federal departments.
• His earlier roles included senior positions at Citigroup, where he was involved in managing operations for consumer banking services.
• Tien has also held leadership roles within the National Security Council during multiple administrations, focusing on critical areas such as Afghanistan and Iraq.

Contributions and Initiatives

In addition to his governmental roles, Tien has been actively involved in initiatives supporting veterans and military families. He has served on various boards and councils aimed at improving healthcare for veterans struggling with mental health issues.

Personal Life

John Tien resides in Atlanta with his wife, Tracy, who has a background in education and actively participates in community service.

Through his diverse experiences and commitment to public service, John Tien continues to make impactful contributions in his field.