Adrian Calotescu is a co-founder and developer at Gameleon, a web-based platform that allows users to make their own multiplayer browser games without requiring any programming skills.. Prior to co-founding Gameleon, Calotescu worked as a programmer at eMotion Concept from 2012 to 2013, and as an agent at Union Imobiliare and then at 3e.ro in. 2011.. Calotescu's academic background is in economics and marketing, but he has always been interested in computers and how they work. He took some courses in web development and started learning the basics in Pascal, Node.js, JavaScript, HTML5, PHP, and other programming languages. This led him to a full time job as a developer and he started to work on a game creation platform, Gameleon.