DLHC
DLH Holdings names Kathryn JohnBull CEO as Zach Parker retires
DLH Holdings announced that Zach Parker will retire as Chief Executive Officer and President effective June 30, 2026, and the Board has appointed Kathryn JohnBull as his successor. JohnBull, who joined DLH as CFO in 2012, brings deep public-company leadership experience and has been central to the company's growth and acquisition strategy. Steve Oroho, who joined DLH in 2018 and most recently served as Senior Vice President of Finance & Accounting, has been named Chief Financial Officer and Treasurer. Parker will remain as an advisor to the Board and incoming CEO through the end of the fiscal year, continue as a Board member, and serve as a consultant from fiscal 2027.