Graduated in Physics (1986), Guido Dalessi started his career in R&D of laser-based measuring equipment. In 1996, he joined a high-tech startup, developing equipment for optical disc production. As Director Sales & Marketing, Guido initiated the international business activities, established a global sales & service network, and headed local branch offices in Singapore and Los Angeles.

In 2004, the company was acquired by the public listed Singulus Technologies AG and Guido was appointed CEO. In the 8 years that he held this position, the company became global market- and technology-leader in its field.

Guido Dalessi joined Elestor in May 2015, and is also one of the first investors.