Altice USA announces Marc Sirota, ex-Comcast, as chief financial officer, effective March 1 when current CFO Michael Grau leaves, becoming senior adviser to CEO Dennis Mathew until early July; Leroy Williams, ex-Samsung Electronics America, as executive vice president-chief growth officer; David Williams, also ex-Comcast, as executive vice president-chief revenue officer, succeeding Matthew Grover, moving to senior adviser through June before retiring; and promotes Shuvankar Roy to executive vice president-chief customer experience officer ... Sinclair’s Diamond Sports Group names David DeVoe, ex-21st Century Fox, chief operating officer-chief financial officer, and Eric Ratchman, ex-Amazon, president-distribution and business development, newly created role ... Belden promotes Brian Lieser to executive vice president-industrial automation solutions, succeeding Ashish Chand, newly appointed president-CEO and added to the board to replace Roel Vestjens, departed.

ScanSource names Nextel’s Shana Cochrane Smith senior executive vice president-chief legal officer ... JMA Wireless taps Kymeta’s Neville Meijers, also former Qualcomm, as chief commercial officer ... Capgemini Government Solutions promotes Bill Webner to CEO to succeed retiring Doug Lane ... Cybersecurity company InQuest adds Vincent Stewart, former deputy commander at U.S. Cyber Command, as an adviser ... Guerrilla RF adds Virginia Summerell, ex-Tanger Outlet Centers, to its board ... Marqeta payment card-issuing platform names Blend’s Crystal Sumner chief legal officer ... Online marketplace Cameo adds Matty de Castro, ex-VidMob and ex-Meta, as general manager-enterprise sales, Cameo for Business ... ImagineAR adds Steve Ziff, ex-Thrill One Sports and Entertainment, and Bold Commerce’s John Torris, as advisers ... Kayhan Space names Matthew Shouppe, ex-LeoLabs, chief commercial officer.