Roman Berezin is one part with Phillipp Munzel that make up Flightfactor, the Designer house that has developed for X-Plane the Boeing 777 Worldliner series and the soon to be released Boeing 757 series.   Roman joins us today to give X-Plane Reviews some insights into Flightfactor and his life in X-Plane.    Hi Roman...   XPR: First off I will note that congratulations are in order as you have just become a doctorate (Dr) of Mathematics.  What is your story behind that and how that aff