There he met Volker Engel, who would later win the Academy Award for the visual effects of Independence Day and become Weigert's business partner in the production company Uncharted Territory, LLC.
During his studies, Weigert was the visual effects producer for Volker Engel on the television film Der Letzte Kosmonaut, directed by Nico Hofmann.
He also spoke at the Society of Motion Picture and Television Engineers (SMPTE) conference, SIGGRAPH Los Angeles and Vancouver conferences, FMX Germany, the University of Applied Sciences in Salzburg, Austria and the HPI School of Design Thinking at the Hasso Plattner Institute, Berlin In 1999, he founded the production company Uncharted Territory LLC with long-time friend and colleague Volker Engel.
In 2003, Weigert co-produced the film Dark Kingdom: The Dragon King and served as visual effects director together with Volker Engel.
In-between film productions, Uncharted Territory also created the Intermedia logo animation which premiered before Terminator 3: Rise of the Machines and provided visual effects services for Roland Emmerich's The Day After Tomorrow in 2004.
In 2006, Weigert wrote the screenplay Force Majeure und co-wrote Raising Phoenix and Red Sea with writer Kurt Frey and Volker Engel.
In 2007, he served as visual effects supervisor for Kellogg's and Tropicana commercials, and as vfx producer for Cafe FX, working - amongst other projects - on the Hogwarts castle ride film for the new Harry Potter Island of Adventure at Universal Studios Florida.
He led a 70-people strong 2nd Unit for exterior Montreal and Washington, D.C. shoots, including the iconic car chase between the presidential limousine ("the beast" ) and secret service vehicles on the White House lawn.
Method Studios is headquartered in Los Angeles, California, and has 9 facilities, including New York, London, Vancouver, Chicago, Detroit, Atlanta, Sydney and Melbourne.