Lee Johnson, a partner at Collaboration business consulting, will soon become the new CEO and president of Mainstream Energy, one of the largest US solar companies headquartered in San Luis Obispo.

Mainstream’s business units include REC Solar and AEE Solar. Johnson will remain in San Luis Obispo and will continue to be involved with Collaboration in an advisory role.

Johnson has worked directly with business owners to help streamline their business processes, and prior to his role at Collaboration, he was the vice president of AEE Solar.