Artifact co-founders Kevin Systrom and Mike Krieger to work with Yahoo in an advisory capacity for a transition period following Yahoo’s acquisition of their news aggregation and discovery platform; Systrom and Krieger also co-founded Instagram in 2010 ... Expel, managed detection and response platform, promotes Vice President-Engineering Cat Starkey to chief technology officer and adds her to its leadership team ... Wolters Kluwer promotes Catherine Wolfe to executive vice president-general manager of its CT Corp. business, succeeding John Weber, retiring ... F5, multicloud application security and delivery company, hires Lyra Schramm, ex-Google and also former Amazon Web Services, as executive vice president-chief people officer, and Kunal Anand, ex-Imperva and also former BBC Worldwide and NASA, as executive vice president-CTO ... Deepwatch, managed security platform, taps Trey Ford, ex-Vista Equity Partners, as chief information security officer ... Blackbaud names Chris Lindner, ex-360training, chief information officer ... Optiv, cyber advisory and solutions company, hires John Hurley, ex-Quantum and Cisco, as chief revenue officer ... QuickLogic, developer of endpoint AI and machine learning solutions, announces departure of board member Radhika Krishnan to focus on her general manager role at Amazon Web Services ... Mobile Beacon appoints Joseph Gleason, ex-Cloud Connection and former Cisco, as director-programs and strategic Initiatives … Voxx Electronics announces Seth Halstead, ex-JVCKenwood, as marketing director.