While there was probably a moment when Slateβs leadership had to green-light the switch from one battery type to another, the momentum toward that decision had been building for years.
Carvana was granted a warrant to buy shares in Slate last year, according to documents obtained by TechCrunch. Guggenheim Partners CEO Mark Walter is heavily invested in both companies.
Melinda Lewison's departure raises questions about Bezos' support and involvement with the startup at a time when the Amazon founder is now apparently focused on robotics at his new startup, Project Prometheus.