JohnBull, who joined the company in 2012, transitions into the presidency after overseeing capital markets, investor relations, and acquisition strategy for over a decade. Her previous finance role will be filled by Steve Oroho, a 2018 company veteran who has served as senior vice president of finance and accounting. DLH has not yet identified a successor for Oroho’s former position.

Parker will remain connected to the firm during this handover period, serving as an adviser through the end of the current fiscal year. He will continue to hold a seat on the board of directors and is scheduled to transition into a consulting capacity starting in fiscal 2027.