FCC Chairwoman Jessica Rosenworcel announces senior counsel Julie Kearney as chief of the agency's newly launched Space Bureau; Rosenworcel also names legal adviser Ethan Lucarelli as Office of International Affairs chief and moves Office of Engineering and Technology acting Chief Ronald Repasi and Wireless Bureau acting Chief Joel Taubenblatt into those permanent spots ... Twitter’s Lara Cohen says she’s joining Linktree as vice president-partners and business development ... Bluebird Network names AT&T’s John Nolan chief development officer, effective April 17 ... Trellix, extended detection and response cybersecurity company, hires Druva’s Ash Parikh as chief marketing officer ... Wyre, digital payments infrastructure provider, makes interim CEO Stephen Cheng permanent ... Ad tech company Yieldmo names former Meta and Microsoft executive Johnny Horgan chief commercial officer ... Managed data center company ColoHouse promotes Scott Fuhriman to chief technology officer ... Sterling Infrastructure names Stifel Financial’s Noelle Dilts vice president-investor relations and corporate strategy ... Digital identity network ID.me appoints Mint House’s Samantha Greenberg chief financial officer ... Ad tech company OpenX names Joseph Worswick, ex-MiQ, vice president-sales, Europe, the Middle East and Africa, and head-sustainability.