TechnoMile has appointed national security leaders Donald Blersch and Isaiah “Ike” Rivers to its newly formed security information management board

System High has appointed Wes Postol as executive vice president of strategic growth. Postol will lead enterprise growth and business

Valkyrie Enterprises has named Thomas “Matt” Matthews as vice president of enterprise operations, expanding its leadership team as the company

Astrion has appointed Tom Vice, an aerospace and defense industry executive, as executive chair and CEO and tapped industry leaders

Paul Tierney, a more than 25-year technology sales executive, has rejoined Dataminr as head of public sector. Tierney announced his

Valkyrie Enterprises has appointed Joyner Livingston as senior vice president of mission solutions. The company said in a LinkedIn post

Amy Hogan has been elevated to chief information officer of Exostar. She becomes the firm’s first CIO in its 26-year history, the

Cybersecurity and compliance firm Summit 7 has added four executives — Kevin Boucher, Shane Shipley, Armando Ordonez and Amanda Patterson

Sierra Space has appointed Jeff Schrader, former executive at Lockheed Martin, as chief strategy officer. The Louisville, Colorado-headquartered company said

Government IT services contractor Aretum has promoted Amy French, most recently chief accounting officer, to chief financial officer. Vienna, Virginia-based