The 44-year-old Kelly, a 1980 Heelan graduate, just finished his 20th year as Army's head athletic trainer. Determan, 28 and a member of Heelan's Class of 1997, is the head equipment manager.

A version of this article appeared in the May–June 2025 issue of Harvard Business Review. Zach Mercurio is a researcher and adviser on purposeful leadership and meaningful work.