As Bill Gates and Jeff Bezos jockey for the designation of world’s wealthiest man, the Seattle billionaires are united behind at least one local venture. They’re both investors in Convoy Inc., a trucking logistics startup that competes with Uber Technologies Inc.

Nearly all of the biggest names in media and technology descended on Sun Valley, Idaho, July 11-16, and in the mix this year were trucking networks, spider silk and quantum physics.