Zakary Challen Brown (born November 7, 1971)[2] is an American businessman and former professional racing driver, currently residing in England.

[citation needed] In the 1992 Formula Opel-Lotus Benelux Series Brown secured top-ten finishes in each of the season's races.

Brown made his Indy Lights debut at Laguna Seca in 1995[13][circular reference] and competed in a German Formula Three Championship race in 1996.

In 2006 he returned to the track with an entry in the Britcar 24 Hours race, winning his class as a member of the driver line-up for Moore International Motorsport.

[17] The following year Brown returned to full-time competition, with his Ferrari Challenge Series campaign highlighted by a win at Circuit Gilles Villeneuve in Montreal.

[19] In 2010 the team scored a third-place finish in the GT3 category at the Total 24 Hours of Spa and recorded its maiden class victory in the 2011 British GT Championship at Snetterton.

Brown himself won the last round of the British GT Championship at Donington Park with Álvaro Parente as a wild-card entry for the team in a McLaren MP4-12C GT3.

[28] United Autosports, one of the largest motorsport teams in the UK and competing globally in different sports prototype and GT categories across the world,[29] is co-owned by Brown and racing driver Richard Dean.

[30] Founded in 2009, the team has raced in a number of championships using a variety of different cars across several classes and categories, with drivers including Fernando Alonso, Juan Pablo Montoya, Lando Norris; and Paul di Resta.

[42][43] As CEO, Brown has overall responsibility for the business, including strategic direction, operational performance, marketing and commercial development.