sentences:  He has also returned to WDI to lecture on 'The Nature of Creativity' on two occasions, and continues to have close professional ties with a number of key creative divisions within the world's largest media conglomerate.In late 2013 Greive signed with the United Talent Agency, who now represent him for film, stage, radio, lectures and television work.As an author, and for all his publishing endeavours Greive continues to be represented by Al Zuckerman, the founder of Writers House, New York.