Greg Sestero received acting training from the American Conservatory Theatre in California and graduated from the Venture HS, California. Sestero belongs to white ethnicity and holds an American and French nationality. He is fluent in English and French as well.
At the age of 12, Sestero started his career by modeling in Milan and Paris. In the same years, he also wrote a sequel to the 1990 movie, “Home Alone”. He then signed with a San Francisco talent agency at the age of 17. During his early career, Sestero worked for many designers which include Gianfranco Ferre and Giorgio Armani.
As an intern, Sestero played a supporting role in many movies and tv shows like Nash Bridges, Gattaca and, Patch Adams. He then appeared in numerous television series such as Days of Our Lives, The Blessed Ignorance of Men and Fashion House, etc.
"The Room" proved to be his breakthrough movie. In the movie, he portrayed the character named Mark. Later, he appeared in an American biographical comedy-drama film, The Disaster Artist as a Casting Agent. His performance in the movie was appreciated by millions of people.
Moreover, Sestero also appeared in some webs series like How Did This Get Made, Nostalgia Critic, and Shut Up and Talk etc.
Sestero is also well-known as an author for his non-fiction book, “The Disaster Artist.” He was listed as a bestselling author by "New York Times" for his book.
Talking about his personal life, Sestero is unmarried and his birth sign is Cancer. Sestero is very personal about his life and has not officially revealed about his personal life publicly. As a famous celebrity, Sestero has been interviewed by numerous radio station and television, but he has never revealed about his girlfriend, affair or dating. Besides, Sestero has shared the screen with various well-known public figures like Tommy Wiseau and Dave Franco, etc.
As an author, model, actor, and producer, Sestero receives a good amount of salary from his career. According to Celebrity net worth, he has a net worth of $500 thousand. Currently, he lives in Southern California with his family.