Lefteris Kalamaras is a Founder / Owner at Flight Sim Labs, Ltd. at Flight Sim Labs, Ltd.. They possess expertise in sql, software development, visual c++, flight simulation, program management and 18 more skills. They is proficient in German. Colleagues describe them as "Lefteris was instrumental in generating excitement for the Fly! flight simulator with his work on the PMDG 747 add-on for Fly! This aircraft set a new standard of detail for 'heavies' in Fly! Lefteris was also a huge help to me as a beta tester for my flight simulator scenery product, TerraScene, providing valuable insights and suggestions. Lefteris is also a valuable member of the flight simulator community, always willing to lend a helping hand." and "Lefteris and his team consistently delivered add-on content for Flight Simulator that set the bar, and set it very high indeed. Their 747 add-on is an industry standard. PMDG was a very important 3rd party developer, was spot on with their use of the product and insight, and were great to work with. Lefteris was the guiding force and deserves his fair share of the limelight. And it doesnt hurt that he is an all-round good guy."