SMA Leadership Profile Part 1: Nathan Vassberg
March 06, 2026
5-minute read
Acting Chief of Safety and Mission Assurance (SMA) Nathan Vassberg started his aerospace career intending to work with airplanes. Yet early opportunities in SMA opened doors he hadn’t expected, and the work grabbed his interest immediately. That spark and the breadth of SMA work turned into a 35-year career for Vassberg. His experience working on all major human spaceflight programs since the start of his career provides a unique perspective on vehicles, international partnerships and program integration.
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SMA Leadership Profile: Johnny Nguyen
July 28, 2025
3-minute read
As director of the Missions and Programs Assessment Division in the Office of Safety and Mission Assurance, Johnny Nguyen leads Safety and Mission Assurance activities in support of NASA's diverse portfolio, including spacecraft, science payloads, launch vehicles, technology development and aeronautics.
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9 OSMA Employees Receive Yes, If Awards
July 02, 2025
2-minute read
Russ DeLoach, NASA’s chief of Safety and Mission Assurance (SMA), recently presented seven employees with “Yes, If” awards to recognize their instrumental roles in support of NASA’s mission. Two NASA retirees also received "Yes, If" awards.
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Yes, If Coins Awarded at Ames
September 01, 2023
3-minute read
NASA Chief of Safety and Mission Assurance Russ DeLoach recently presented two “Yes, If” coins to Ames Research Center personnel while visiting the center for the SMA Directors Meeting.
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Reynolds Receives Yes, If Coin for Commitment to Customer Service
August 25, 2023
2-minute read
NASA Chief of Safety and Mission Assurance Russ DeLoach recently presented a “Yes, If” coin to Kaci Reynolds, associate director for NASA’s Independent Verification and Validation Program, for her attention to detail, proactive approach and commitment to customer service.
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John Livacich Receives Yes, If Coin for Approach to Safety
May 08, 2023
2-minute read
John Livacich, Safety and Occupational Health manager at Ames Research Center, recently received a “Yes, If” coin for his proactive approach to mitigating risks and ensuring safe and reliable lifting operations.
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SMA Leadership Profile: Nick Benardini
January 31, 2023
5-minute read
As NASA’s Planetary Protection Officer, James “Nick” Benardini knows his role is all about the community: his NASA discipline colleagues, agency programs and projects, the international community, and academia.
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SMA Leadership Profile: Ronnie Rodriguez
December 01, 2022
6-minute read
Merriam Webster defines a leader simply as a “person who leads.” For Kennedy Space Center Safety and Mission Assurance (SMA) Director Ronnie Rodriguez, a leader is better defined by why people follow him or her.
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O’Connor Honored for Career Embodying Yes, If Attitude
May 18, 2022
3-minute read
Ken O’Connor, Mishap program executive at the NASA Safety Center, received the “Yes, If” coin from Chief of Safety and Mission Assurance Russ DeLoach during his retirement celebration on May 5. O’Connor retired after more than 30 years of NASA service.
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Jean Hill Receives Yes, If Coin for Embodying the “Yes, If” Approach
February 17, 2022
2-minute read
Jean Hill, Human Landing Systems (HLS) and Lander Ground Operations Design Systems Safety Reliability and Maintainability engineer, Exploration Research and Technology Office at Kennedy Space Center, received a “Yes, If” coin for continuously embracing the “Yes, If” approach in her work. Hill is willing to have the tough and honest conversations that address mitigations needed to ensure the HLS program is meeting and identifying safety requirements.
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