Johannes Bisschop founded Paragon Decision Technology B.V. in 1989 with the goal of producing a general purpose, powerful tool for modelers and decision makers. The first commercial AIMMS system was introduced onto the market at the end of 1993, since when AIMMS has established itself as a solid professional tool with an international reputation.  

In 2003 Paragon Decision Technology B.V. has been sold and Jan Bisschop has taken the role of President/Founder. From 2003 to 2005 he held the position of president of Paragon Decision Technology B.V. In 2006, Gijs Dullaert took the role as full time CEO.