Complex sentence: Formula Drift, Inc. was co-founded by Jim Liaw and Ryan Sage in 2003 as a sister company to the now defunct Slipstream Global Marketing, the same partnership that brought D1 Grand Prix to the United States.
Split into simpler sentences: Formula Drift, Inc. was co-founded by Jim Liaw and Ryan Sage in 2003 as a sister company to the now defunct Slipstream Global Marketing. The same partnership that introduced D1 Grand Prix to the United States.