Denis Kayes is a Head of Hybrid Infrastructure and Security at Cisilion at Cisilion. They possess expertise in pre sales, telecommunications, unified communications, cisco technologies, data center and 28 more skills. Colleagues describe them as "When I worked for Denis he was probably one of the nicest and fairest bosses you could work for. Having a strong technical background founded in presales, Denis knew the everyday pressures that could come from being part of a busy presales team and would often offer advice and help where required, but also give you the space to do your work without undue micro-management. What I liked most about Denis was that he was friendly and kind and always lead by example, often getting stuck in with difficult presales engagements. I would happily work with Denis again if the opportunity ever arose.", "Denis is a man whose qualities are hard to over-estimate - both at first glance and after some experience working with him. You can be always sure that a task assigned to Denis is accomplished both in time and with high quality, without any complain and/or grumble. I am happy I had a chance to work with Denis during 3 years - he helped me very much in my becoming project manager professional - thanks to Denis' assistance in team and project managing", and "I know Denis as one of highly skilled telecom professionals with a focus on carrier market. His wide expert oriented view makes him a valuable resource that is available to consult you in various technological fields. I strongly recommend Denis as a talent, self motivated, professional individual, capable of managing situations at executive level."