Charter Communications Senior Executive Vice President David Ellen moves to an advisory role to President-CEO Chris Winfrey beginning Dec. 1 ... The Cybersecurity Studio adds Edna Conway, retired former Microsoft vice president-chief security and risk officer, cloud infrastructure, as an adviser ... Accuris, AI-powered data and workflow solutions company, names Formstack’s Richard Smith its first chief financial officer ... Protolabs, digital manufacturing services provider, hires SmartSense’s Sean Farrell, also ex-Applied Materials, as vice president-sales, Americas ... LegalOn Technologies, supplier of contract review software, names Medable’s Gabor Melli, also ex-Sony PlayStation, its first vice president-AI ... Veritonic, audio analytics and research platform, adds former Spotify principal data scientist Jon Gibs as strategic adviser ... HaystackID, e-discovery services firm, names John Brewer chief AI officer, continuing as chief data scientist ... Burt Intelligence, digital advertising intelligence platform, promotes Senior Vice President-Revenue Shay Brog to CEO; former CEO Carl Leskinen continues as an adviser.