NEC America rehires Kris Ranganat from Paravision.ai as senior vice president-digital platform ... AI semiconductor company Tenstorrent adds former Intel Chief Architect Raja Koduri to its board; Tenstorrent co-founder and Chief Technology Officer Ljubisa Bajic scaling back his full-time role, will remain involved with the company as adviser ... Business-only fiber network Everstream names Wipro’s Ken Fitzpatrick, also ex-Charter Communications and Time Warner Cable, president-CEO, succeeding Bill Major, who was acting president-CEO since February ... Electric vehicle developer Rivian Automotive hires 30-year Mercedes Benz veteran Martin Huelder as vice president-commercial, Europe ... Cloud database company MariaDB names Conor McCarthy, ex-Ideanomics, chief financial officer.