Complete Solaria Inc., a solar technology, services, and installation company, promoted Arnaud Lepert to COO effective June 26, according to a press release. Lepert will oversee all systems and modules operations and functions for the company.

“Arnaud comes from the semiconductor industry, which has the highest standards for quality, efficiency, and disciplined manufacturing,” said T.J. Rodgers, the company’s board chairman. “I have placed people with similar expertise into companies like Enphase and Enovix, and as a result they took off. I expect Arnaud will have that kind of impact here.”

Lepert was most recently senior vice president, product and technology at Solaria. Previously, Lepert served as CPO for Energy Everywhere, where he led the development of innovative perovskite-based solar cells. Lepert also served at Coherent as general manager of the high power optically pumped semiconductor laser business unit.

His career includes tenures in the semiconductor industry working for Applied Materials, STMicroelectronics and Maxim Integrated, where he led R&D and engineering teams focused on CMOS and BiCMOS process development.

Lepert earned a master’s degree in electrical engineering at Telecom Paris and a bachelor’s in materials science at Ecole Polytechnique.