Producer Pieter Kroonenburg, co-owner of Kingsborough Pictures, Inc., has enjoyed considerable success in the film business worldwide. He is currently based in LA and Montreal.

Fluent in Dutch, French and English, and fresh out of the Amsterdam Film Academy, he became Joseph Losey's assistant on Modesty Blaise in Amsterdam and Sicily. After that, he was hired to reorganize and run the production company, Film Group One, in Amsterdam, where he produced TV commercials and documentaries. He went to Rome and landed the job of Production Manager on a series of Italian westerns. In Paris, as J. Walter Thompson's Vice President and Head of TV Production, he produced some of the best TV commercials to come out of Europe. He worked with leading directors like Hugh Hudson, Alan Parker, Tony and Ridley Scott and Adrian Lyne. He left advertising to produce Girls in Paris and The Lucky Star (starring Rod Steiger and Louise Fletcher - 3 Genies and 11 Genie nominations {Canada’s Oscar}), in Montreal, and stayed to create Filmline Productions, which later became Filmline International, one of the largest production companies in Canada. That company's TV credits include Cook and Peary: Race to the Pole (Rod Steiger and Richard Chamberlain), Broken Vows (Tommy Lee Jones), Spearfield's Daughter (Christopher Plummer), Choices, Barnum (Burt Lancaster), and Ford: The Man and the Machine (Cliff Robertson). After that, he produced Bethune, The Making of a Hero, a four-hour mini-series for the CBC (starring Donald Sutherland - 5 Gemini nominations) and produced The Sound and the Silence (George C. Scott), a four-hour mini-series for TNT.

His film-producing credits for Filmline include: The Hotel New Hampshire (Jodie Foster and Beau Bridges), Heartaches (Annie Potts - 3 Genies and 7 nominations), Cross Country, Breaking All the Rules, The Blue Man (First prize Avoriaz Film Festival), Toby McTeague, Wild Thing, Le Palanquin des Larmes, and the feature film Dr Bethune (Donald Sutherland and Helen Mirren. The first co-production of a western country with China).

Since 1996, he produced (with Julie Allan) for Kingsborough Greenlight Pictures: The Call of the Wild (Rutger Hauer), Hemoglobin, For Hire (Rob Lowe and Joe Montegna), Laserhawk, Nico The Unicorn (Anne Archer), Owd Bob (James Cromwell and Colm Meany. Saskatchewan UNICEF Award of Honour), Out Of Control (Tom Conti and Sean Young), Treasure Island (Jack Palance. The Flagstaff International Film Festival GOLD AWARD), To Walk With Lions (Richard Harris and Ian Bannen - London, England, Royal Premiere - Five Genie nominations, one for Best Picture, and The American Environmental Media Award). He also produced The Intruder (Natasha Kinski and John Hannah), Hide and Seek (Jennifer Tilly and Daryl Hannah), Inferno (Ray Liotta), My Five Wives and Deceit (Debbi Mazar) for GFT Kingsborough Films.

In post-production a Canadian/Italian Co-Production, Money Flies.

In pre-production is a film about modern day buccaneer Paul Watson, cofounder of Greenpeace, now president of his own organization: the Sea Shepherd Conservation Society. Sean Penn is interested in playing the lead.

Also in pre-production are Chet Baker, the story of jazz legend, singer and trumpet player Chet Baker, and Forbidden City, a film to be shot in China late 2004 starring Alec Baldwin.