Facebook Vice President and Managing Director for Europe, the Mideast, and Africa Joanna Shields became the latest passenger on the train carrying high-profile executives departing the social network, as she announced that she will join Tech City Investment Organisation, a venture sponsored by the U.K. government and aimed at helping London’s East End create its version of Silicon Valley.
Lisa Raphael (left), the social media producer at Katie Couric's daytime talk show Katie, is one of our featured speakers in Mediabistro's upcoming Social Media Marketing Boot Camp, an online event and workshop starting June 6, 2013. Lisa will share a case study on how the hit show uses Twitter to build interest and buzz around upcoming segments. Learn more about our our twelve event speakers and register here. 
Facebook Director of Engineering Ari Steinberg booked his ticket out of the social network, confirming to TechCrunch that Friday will be his last day, and that he is leaving to found a travel startup.
Facebook Vice President of Corporate Communications Joe Lockhart will become the latest high-profile executive to depart the social network, with Politico reporting that he will return to the East Coast and begin consulting.
Longtime Facebook Designer Ben Blumenfeld became the latest employee of the social network to head for the exit door, telling TechCrunch he will become co-director of Designer Fund.
