David S. is a Entrepreneur | Founder & CEO | Director at Yisan SRO at YISAN sro. He is proficient in Greek, Czech, Spanish and Italian. Colleagues describe him as "I have been working with David for more than 3 years already and learned from him really a lot working in his team and under his supervision. He is a type of real managers without illusions and very realistic one. He is able to catch the idea on the go, even at the very moment when it looks impossible to work it out. He is able to see very small details and realize efficiently the moment to take the right decision. I have never seen such an accurate and precise person as David, accurate… Show more" and "David was a great mentor during the period I started to work in 1GDD, supporting and challenge me in a way I could achieve higher levels. Didactic and meticulous, he seeks to do his work and the work of the rest of the team with excellence."