(1986) an enthusiastic online entrepreneur, and since 2003 active in web development and marketing. He has a background in digital communications, and has led a few large projects. Examples are: the development and implementation of the website of the E. Oduber Hospitaal on Aruba. Siem has done research about the communication with mentally and physically disabled, resulting inwww.pluryn.nl. He worked at the Amsterdam Chamber of Commerce and was the marketeer of the largest event for entrepreneurs in the Netherlands: “de Startersdag” in Amsterdam. Siem holds a Bachelor of communications and a diploma of the International Advertising Agency AAI. Siem has quit his job as a marketeer and team leader of the market research department at the Chamber of Commerce, to fully commit himself to the development and marketing of JobAmbassadors.com.