From 2004, he worked throughout China, living in Shanghai developing a national theatre network and producing films and musicals for import and export.

Around the world, other production and producing credits included producing the New Year's Eve engagement of Plácido Domingo, José Carreras and Luciano Pavarotti in The Three Tenors (Vancouver); Relatively Speaking (Washington D.C.); and in Canada, Driving Miss Daisy; Something in the Air, Blood Brothers; Connie Francis; The Ecstasy of Rita Joe; Damn Yankees (starring Davis Gaines); Arsenic and Old Lace; Love Letters (starring Victor Garber and Kate Nelligan); Godspell reunion and the Tribute to Gilda Radner (with Paul Shaeffer, John Candy, Martin Short, Andrea Martin, Marvin Hamlisch and Dave Thomas for CBC TV); Forever Plaid and the Shanghai Ballet's Tour of The White Haired Girl.

Other industrials include the SkyDome Opening Ceremonies; Volkswagen EuroVan Launch; Toronto Arts Awards and The Dinosaur World Tour.

In March 1997, Simkin partnered with Microsoft to produce the first livestreamed Broadway show, the opening night of Annie.

[8] Simkin controlled worldwide rights to various film and stage properties, including the motion picture USD $14 million budgeted film[9] "The Sacrifice of Yang GuiFei" (based on the story of Yang GuiFei) along with "Tea 4 Two" and "The Great Big Chinese Show".