Zach Umperovitch is an actor and producer, known for Richard Hammond's Crazy Contraptions (2022), Domino Masters (2022) and Sonic the Hedgehog 2 (2022). Holds (x2) Guinness World Records for having built the largest Rube Goldberg Machines ever. The World's leading authority on Chain Reaction & Rube Goldberg Machines, having started when he was only 3 years old. Classically trained as a geologist with a degree in Geology & Geophysics.