Born in the Netherlands, Guido van Tartwijk holds a PhD in Physics and has more than 20 years of experience in start-up, turnaround in Europe, China and the USA. He has many years of experience in the LED lighting and optoelectronics industry. His career has taken him to various top management positions, among others, for Philips Lighting, where he was responsible for the establishment of the global Philips LED Lighting Hub in Shanghai, and was Senior Vice President and General Manager of Philips LED Electronics.

Guido van Tartwijk has an impressive track record of introducing innovations in record time towards sustainable and profitable growth in global markets. He led the team that was awarded the prestigious L Prize for LED lighting by the United States Department of Energy in 2009. 

Sebastian Hopfe holds a Diploma in Industrial Engineering and has more than 10 years of experience in high quality mass manufacturing of solar panels. He has a proven track record of establishing, ramping-up and optimizing efficient production processes to ensure highest product quality at high yield and production uptime.