Mobile advertising and monetization firm Tapjoy is reshuffling its executive ranks and laying off more than 20 staffers--roughly 10 percent of its total headcount-- TechCrunch reports.
Zynga is laying off 18 percent of its workforce, or 520 employees, by August. The gaming company is also closing its offices in New York, Los Angeles and Dallas, reported All Things D. In all, the cuts are expected to save the company an estimated $70 to $80 million.
Twitter Director of Platform Ryan Sarver will leave the microblogging service later this month. Sarver tweeted his resignation Friday, writing "After four incredible, indelible years at Twitter the time has come for me to fly the coop. My last day will be June 28. No plans but rest."
Dylan Casey is exiting his post as head of product management at mobile social networking app Path to join Yahoo, All Things D reports.
Google Vice President of Wallet and Payments Osama Bedier has left the company.
Jolla has appointed Tomi Pienimäki as its new CEO as the Finnish startup approaches the commercial launch of its Sailfish mobile operating system.
Shazam has named former Yahoo executive Rich Riley as its new CEO, replacing longtime chief Andrew Fisher, who will transition to executive chairman duties. AllThingsD reports Shazam is making the moves to strengthen its leadership team and put itself in position "for next stage of growth and IPO."
Twitter Vice President of Business and Corporate Development Kevin Thau, the executive behind the microblogging platform's fledgling Twitter #music application, is leaving the company to join Jelly Industries, the new startup created by Twitter co-founder Biz Stone.
A year after Zynga acquired online and mobile gaming firm OMGPOP, its former CEO Dan Porter has decided to leave the company. Porter, who became Zynga's New York GM as part of Zynga's $180 million acquisition of OMGPOP, will be replaced by VP of mobile games Sean Kelly.
Close to two years after exiting his post as General Manager of Microsoft's Windows Phone Developer Ecosystem program, Charlie Kindel has joined Amazon to oversee an undisclosed project.