Dan Jablonsky Appointed CEO of Sierra Space as Leadership Changes Occur Across Defense and Tech Sectors
DEFENSESPACE ECONOMY
Dan Jablonsky, former CEO of Ursa Major, will assume the CEO position at Sierra Space on March 2, guiding its focus on defense work. AeroVironment's CFO Kevin McDonnell will retire on July 31 after overseeing the significant acquisition of BlueHalo.
Diem Salmon has joined a chipmaker as chief revenue officer, leveraging her defense sector expertise. C5MI has promoted Garth Sanginiti to chief growth officer to lead market expansion. Carl Tegeder has been appointed VP of solution strategy at a technology integrator. Additionally, Trey Whitworth has been named president of national security at R4 Federal.

Feb 28, 2026, 11:32 AM