Quarterhill names Chair John Gillberry interim CEO, replacing Bret Kidd, resigning as president-CEO and from the board, effective immediately; Gillberry will remain in the role until a permanent CEO is found, and he won’t seek reelection to the board at 2023 annual meeting ... Identity verification provider Veriff names Typeform's Hubert Behaghel, also ex-Sky, vice president-engineering ... Talkdesk hires William Welch, ex-Zscaler and Duo Security, as president-chief operating officer ... Green data centers developer Soluna Holdings promotes John Belizaire to CEO, in addition to his role as CEO of subsidiary Soluna Computing; he succeeds Michael Toporek, who becomes executive chairman, replacing William Phelan, moving to lead independent director; all the changes are effective by April 30 ... Technology and services provider Advanced Systems Group names Sam Craig, ex-Grass Valley, vice president-cloud production engineering.