John F. Bentivegna (born c. December 14, 1976)^[2] is a United States Space Force chief master sergeant who serves as the second and current chief master sergeant of the United States Space Force. He previously served as the senior enlisted advisor to the deputy chief of space operations for operations, cyber, and nuclear and senior enlisted leader of Space Operations Command.^[3]

• 1999 Airman Leadership School, Buckley Air Force Base, Colo.
• 2001 Advanced Space Operations Course, National Security Space Institute, Colo.
• 2001 Space in the Air Operations Center, National Security Space Institute, Colo.
• 2002 Associate Degree Electronic Systems Technology, Community College of the Air Force
• 2002 Associate Degree Space Operations Technologies, Community College of the Air Force
• 2004 Noncommissioned Officer Academy, Peterson AFB, Colo.
• 2008 United States Marine Corps Staff NCO Advanced Course, Quantico, Va.
• 2014 Professional Management Certificate, Community College of the Air Force
• 2015 Enterprise Leadership Seminar, Kenan-Flagler Business School, University of North Carolina, N.C.
• 2015 Senior Enlisted Legal Orientation Course, Maxwell AFB, Ala.
• 2016 Leadership Development Program, Center for Creative Learning
• 2016 AFSO21 Executive Leadership Course, University of Tennessee, Tenn.
• 2016 Enterprise Perspective Seminar, Alan L. Freed Associates, Washington, D.C.
• 2017 Senior Enlisted Joint Professional Military Education II
• 2018 KEYSTONE18-1 Fellow, National Defense University, Washington, D.C.
• 2022 Bachelors of Arts, Political Science, American Military University^[3]

Bentivegna enlisted into the United States Air Force in 1994. From August to October of that year, he went through basic military training at Lackland Air Force Base, Texas. After that, he was assigned to the Precision Measurement Equipment Laboratory School at Keesler Air Force Base, Mississippi. From 1995 to 1998, he worked as a precision measurement equipment technician at McGuire Air Force Base, New Jersey.^[3]

Bentivegna then shifted to the space operations career field starting as ground systems operator for the Defense Support Program at Buckley Air Force Base, Colorado, from 1998 to 2002. From 2002 to 2003, he served as noncommissioned officer in charge for operations training at Clear Air Force Station, Alaska. After that, he was then selected to serve as superintendent for the 527th Space Aggressor Squadron at Schriever Air Force Base, Colorado. He stayed there until 2007, when he was assigned as superintendent for the Mission Management Division at the Aerospace Data Facility-Colorado. From 2010 to 2013, he served as superintendent for the 76th Space Control Squadron at Peterson Air Force Base, Colorado.^[3]

In October 2010, Bentivegna returned to Buckley Air Force Base and started serving as superintendent for the 460th Operations Group. After that tour, he went back to Schriever Air Force Base in 2015, now as command chief master sergeant for the 50th Space Wing. In 2017, he was stationed at the Pentagon as the chief of the Air Force enlisted force development. From 2017 to 2019, he served as the command chief of the National Reconnaissance Office.^[3]

In February 2019, Bentivegna started serving as the command chief of the Fourteenth Air Force and the senior enlisted leader of the Combined Force Space Component Command. On 21 October 2020, during the activation of Space Operations Command, he became the senior enlisted leader of the new field command. In June 2022, he went back to the Pentagon to serve as the senior enlisted advisor to the deputy chief of space operations for operations, cyber and nuclear, Lieutenant General B. Chance Saltzman. When Saltzman became the chief of space operations, Bentivegna continued serving the role of senior enlisted advisor to Lieutenant General DeAnna Burt.^[3]

Bentivegna was one of five chief master sergeants considered to replace Roger A. Towberman as chief master sergeant of the Space Force who is retiring in 2023.^[4] On May 5, 2023, General B. Chance Saltzman selected Bentivegna to replace Towberman and serve as the second chief master sergeant of the Space Force. His assignment was announced on May 8, 2023.^[5]