Secret Celebrity Can You Guess?

Secret Celebrity thanks to the idea of Majd.. Can you guess who I’m thinking of and if you can tell me whats your favorite film of his and why.
Secret Celebrity… Got there start in 1976 in a major movie. He wrote himself. Won three Oscars including best picture. Had 3 sequals thus far from various films he has directed and starred in. ALso has spent numerous times in the jungle.. And he paved the way for great action films to be done. Outside of the movie business also has a restaruant chain has written a book, amongst many other things. and has another hit movie coming out this year in August.