Matthijs is the founder and owner of Geek Trading and Geek Trading Tools.

He has been trading since 1998. He started as a private trader and technical analysis columnist. During his career, Matthijs worked for three of the bigger Market Makers in Amsterdam as an arbitrage trader as well as a strategy trader and researcher.

From being a private trader he progressed into a professional market maker role trading cash equities as well as options. During his professional career, Matthijs worked for three of the bigger Market Makers in Amsterdam as an arbitrage trader as well as a strategy trader and researcher. He coded various (high-frequency) trading applications.

Through his company GEEK Trading, he offers his services as a specialized C# / .NET programmer and provides solutions for analysis software as well as mid-office applications.

When you start thinking about all the possibilities of technology nowadays; you either turn mad, or become a geek. -Matthijs de Zwart