Amagi, supplier of cloud-based SaaS technology for broadcast and connected TV, hires Richard Perkett, ex-Rapid7, as chief product officer ... TMB, parent company of Reader’s Digest, taps Vox Media’s Marty Moe, also former AOL, as president to oversee TMB's web, social and streaming businesses ... Breach Secure Now, cybersecurity training and solutions company, adds Dan Cucchi, ex-ConnectWise, as vice president-sales ... Software company Appian taps Vincent Bertaud, ex-8x8, as senior partner sales manager-Appian France ... Digital Realty, provider of cloud- and carrier-neutral data center, collocation and interconnection solutions, adds Susan Swanezy, recently retired Hodes Weill & Associates partner, to its board ... Lambda, GPU for AI platform, hires Peter Seibold, ex-SparkCognition, as chief financial officer.