After Dan's Death in 2005, Stephanie became Artistic Director of the King's Head (2006 - 2012), before emigrating to New Zealand in 2012 to be with her daughter, Katherine and grandchildren.
Her parents divorced and when she was three years old and her mother married Joseph DiLalla, a small band leader, who played with ‘Baby’ Rose Marie, Jimmy Durante, Louis Armstrong and others in Las Vegas and elsewhere, travelling continually around America in their Cadillac.
In 1984 they moved to London to join her husband's former stepfather, Daniel Crawford, who had founded the King's Head Theatre, in Islington in 1970.
[3][4] A painter and a poet at the time of her marriage to Crawford, she became increasingly involved with the King's Head Theatre, first as Literary Manager and then as Associate Artistic Director.
Many famous actors began their careers at the Kings Head Theatre, including Hugh Grant, Imelda Staunton and Victoria Wood.
In 2006 she adapted and directed Peter Pan, which was presented at The King's Head in honour of Dan Crawford, and featured the World premiere of the lost Leonard Bernstein score.
Sinclaire's first film, as co-producer, The Dance of Shiva was an Academy Award Finalist in 2000 and featured Kenneth Branagh, Sam West, Sanjeev Bhaskar and Paul McGann with Director of Photography Jack Cardiff behind the camera.
Stephanie adapted, directed and produced The Tell Tale Heart, based on Edgar Allan Poe’s short story, with Jack Cardiff again as cinematographer and Production Designer Peter Murton which opened the Art Institute of Chicago’s 7th European Film Festival.
She wrote, co-directed (with award-winning Director Jason Figgis of October Eleven Pictures) and produced A Maverick in London, a documentary about Kings Head founder, her late husband, Dan Crawford and The Kings Head Theatre, featuring Joanna Lumley, Alan Rickman, Sir Tom Stoppard, Steven Berkoff, Sir Antony Sher and many others.
One year before her Death, Stephanie published her philosophical magnum opus: Creative Alchemy: The Science of Miracles, which featured a foreword by Jack Canfield, co-author of the best-selling Chicken Soup for the Soul book series, and won the prodigious Ashton Wylie Mind Body Spirit Book Award in 2020.