IMPS 2018 was held at Columbia University in New York City, USA, from July 10 through July 13, with preconference short courses on July 9. There were 505 participants. The local organizers were Dood Kalicharan, Jingchen Liu, Zhiliang Ying, Matthew Johnson, and Hok Kan (Brian) Ling, at Columbia University.
IMPS 2015 was held in Beijing, China from July 13 through July 16, with preconference workshops on July 12. The chairs of the local organizing committee were Tao Xin and Hongyun Liu. There were 511 participants.
Overview for July 11-16
Saturday, July 11
9:00am -5:10pm: Several short-courses in Chinese (not included in conference fee)
IMPS 2014 was held in Madison, Wisconsin, USA from July 22 through July 25, with preconference workshops on July 21. The chairs of the local organizing committee were Dan Bolt, David Kaplan, and Jim Wollack. There were 380 participants representing 26 different countries.
Pieter Kroonenberg’s photos are available here (password: impsphoto).