"We've always had the philosophy that we should build vehicles where they are sold, so it makes sense to have suppliers close to your manufacturing operations, " says Mike Goss, external affairs manager for Toyota's engineering and manufacturing division in North America.

FORBES: Outsourcing--To America

As Tumblr approached 100 employees this year and brought on executives to lead operations in finance, engineering and human resources, Mr. Maloney's skills as a generalist manager became less relevant, people familiar with the situation said.

WSJ: Tumblr's President Resigns