The Williams garage is trained by Michael Johnson Performance Inc.
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"Michael Johnson Performance Inc focuses on training top level athletes in all sports and was founded by Olympic gold medalist and world record holder, Michael Johnson. The MJP Center was opened by Michael Johnson in 2007 and trains youth and professional athletes in four key areas; speed, agility, strength and stamina in order to develop an improved athletic performance. The professional trainers at the Center follow the same training philosophy and methods Michael Johnson used to win his four Olympic and nine World Championship gold medals on the track and their experience and biomechanics expertise has benefitted numerous American football athletes, Premier League football teams, and Olympic federations."