MATSim is currently a joint effort by the following groups:
In addition, we stay in close contact to other research groups using and extending MATSim, for example in Toronto (Canada), Pretoria (South Africa), Karlsruhe and Munich (both Germany), Singapore.
Some members of the MATSim Core Development Group in Fall 2011 during the yearly core developer meeting.
Attendants of the MATSim User Meeting 2009.