Nikos is a business consultant, honorary lawyer and author. He is a member of the Board of Directors of the Stelios Chatziioannou Charitable Foundation and an honorary professor at the Cass Business School. He is known as the author of the book “Purpose: The Starting Point of Great Companies”, which has been translated from English into many foreign languages. It is a book on leadership and business strategy, in which there is a complete analysis of the four main business goals: Discovery, Help, Achievement and Heroism. He has been the president and CEO of 7 international and Greek companies. During his presidency at the National Opera, the implementation of a reconstruction program, preserved the continuity of its operation.