Mark Darragh.

Mark Darragh is the manager and operator of Sphere Motorsports, an independent exotic auto repair and service shop in Houston, Texas. A native of the United Kingdom, he spent 14 years honing his skills as an automotive specialist, working with race‑car drivers such as Mika Salo, Scott Dixon, Mark Blundel, Mauricio Gugelmen, and Timo Glock. He achieved the nu...