Snap’s Strategy Chief Imran Khan to Leave Company

Khan’s departure comes as the Snapchat parent is struggling to keep users

A top Snap Inc. executive is leaving a month after the company reported its first quarterly decline in daily users, reviving Wall Street’s concerns about social-media sites’ growth prospects and handing the company a significant challenge as it struggles to boost its share of the advertising pie.

Imran Khan, Snap’s chief strategy officer, becomes the latest senior member of Chief Executive Evan Spiegel’s circle to exit. His departure comes as Snap is moving to reverse a poorly received redesign of its flagship Snapchat app....