John Siau is the principal at Conversion Techniques. John has over 25 years of automotive industry experience including race car fabrication, suspension tuning and general technical race team management.Conversion Techniques Motorsport has a long and rich history of preparing winning cars for all types of competitive events.

Below is some of the CT-Motorsport history.
2005 CT-Motorsport entry places third in Formula TR 1600 Championship
2004	CT-Motorsport driver in 2002 and 2003 selected to drive in the Asian Carrera Cup series.
2003	CT-Motorsport entry places third in the Fran-Am 1600 Series.
2003	CT-Motorsport entry in the North American 2000 Pro Championship completes series as second highest placing American.
2002	CT-Motorsport takes the Fran-Am 1600 Series Championship
2002	CT- Motorsport prepared Fran-Am 1600 sweeps podium in inaugural series event and first formula car outing
2002	CT-Motorsport prepared BMW takes 1st place in BMW CCA North American Challenge
2001	CT-Motorsport prepared BMW becomes SCCA Pro Solo National Champion in Street-Prepared class.
1996	CT-Motorsport prepared BMW takes 4th place in SCCA ITB
1995	CT-Motorsport prepared BMW takes 3rd place in SCCA ITB
1990	CT-Motorsport prepared BMW wins BMW CCA autocross championship