Vasil Terziev (born June 9, 1978) is a Bulgarian entrepreneur, investor and philanthropist. He is known as the co-founder and CEO of Telerik, a global provider of software development and content management tools and solutions. In 2014, Telerik was sold for $262.5 million, which at the time was the largest deal in the history of the Bulgarian startup ecosystem. Terziev has a key role in the development of the technological and innovative ecosystem in Bulgaria through its numerous initiatives and investments. In addition, it supports the attraction of investments in many businesses in Bulgaria.