Business Insider | Snapchat's longtime head of engineering, Tim Sehn, is resigning from the company Business Insider Tim Sehn, Snap Inc.'s senior vice president of engineering, is leaving the company on December 1, Snap said in a regulatory filing on Wednesday. Sehn joined the Snapchat-marker in 2013 and oversaw all of the company's engineering efforts to date. Snap's head of engineering leaves company after weak quarter Snap loses its head of the engineering amid plans to overhaul Snapchat app Snapchat's longtime head of engineering, Tim Sehn, is leaving the company |