Silicon Labs hires Synaptics’ Dean Butler as senior vice president-chief financial officer, effective May 15, succeeding interim CFO Mark Mauldin ... Zayo Group, fiber network infrastructure provider, taps Telstra’s Nikos Katinakis, also former Reliance Jio and Rogers Communications, as chief technology officer ... Digital infrastructure company Equinix names former Microsoft and Intel executive Merrie Williamson executive vice president-chief customer and revenue officer, effective March 25 ... The Economist Group hires Luke Bradley-Jones, former Disney+ general manager-Europe, the Middle East and Asia, as president-managing director, The Economist, and taps Leon Saunders Calvert, ex-ESG Book, as president-managing director, Economist Intelligence, the company’s business information arm ... Deepwatch, managed security platform, hires Deloitte’s Curt Aubley as chief operating officer and chief product officer ... AppLovin adds Barbara Messing, former Roblox chief marketing and communications officer, also ex-Walmart US chief marketing officer, to its board.