1994
- ISMP’94 – Ann Arbor (U.S.A.), August 15-19, 1994. (chair: S. Schaible)
1995
- TIMS XXIII – Singapore, June 25-28, 1995. (chair: T. Rapcsák)
1996
- ISORA’96 – Guilin (P.R. China), December 11-14, 1996. (chair: S. Schaible)
1997
- ISMP’97 – Lausanne (Switzerland), August 24-29, 1997. (chair: J.E. Martinez-Legaz)
1998
- CODE Workshop on Generalized Convexity – Bellaterra (Spain), June 4-6, 1998. (chair: J.E. Martinez-Legaz)
- INFORMS’98 – Tel Aviv ( Israel), June 28 – July 1, 1998. (chair: S. Schaible)
1999
- Generalized Convexity VI – Karlovassi-Samos (Greece), August 30 – September 3, 1999.
- First Summer School on Generalized Convexity – Karlovassi-Samos (Greece), August 25-28, 1999.
2000
- APORS 2000 – Singapore, July 5-7, 2000. (chair: S. Schaible)
- EURO XVII – Budapest (Hungary), July 16-19, 2000. (chair: S. Komlósi)
- ISMP 2000 – Atlanta (Georgia, U.S.A.), August 7-11, 2000. (chair: S. Komlósi)
- SJOM 2000 – Hong Kong (P.R. China), October 26-28, 2000. (chairs: S. Schaible and X.Q. Yang)
2001
- ICOOC’2001 – Tainan (Taiwan), June 1-4, 2001. (chairs: S.Schaible and J.C.Yao)
- Int. Conference on Optimization Techniques – Agra (India), September 22-23, 2001. (chair: Q.H.Ansari)
- INFORMS 2001 – Miami (Florida, U.S.A.), November 3-7, 2001. (chair: S. Schaible)
- ICOTA’2001 – Hong Kong (P.R.China), December 15-17, 2001. (chairs: A.M.Rubinov, S.Schaible and X.M.Yang)
2002
- JSOM’2002 – Kyoto (Japan), September 25-27, 2002. (chairs: S.Schaible and T.Tanaka)
- INFORMS Annual Meeting 2002 – San Jose (California, U.S.A.), November 17-20, 2002. (chair: S.Schaible)
2003
- OCA’2003 – Chongqing-Chengdu-Jiuzhaigou, Chongqing City and Sichuan Province (P.R.China), July 1-7, 2003. (chair: S.Schaible)
- ISMP’2003 – Copenhagen (Denmark), August 18-22, 2003. (chair: L.Martein)
- NACA’2003 – Tokyo (Japan), August 25-29, 2003. (chairs: S.Schaible and T.Tanaka)
- APORS’2003 – New Delhi (India), December 8-10, 2003. (chairs: Q.H.Ansari and P.Gupta)
2004
- Nonlinear and Convex Analysis – Isfahan (Iran), May 10-13, 2004. (cluster chairs: N. Hadjisavvas and J. Zafarani)
- International Conference on Analysis and Its Applications – Changhua (Taiwan), May 28-31, 2004. (cluster chairs: L.-J. Lin, J.C. Yao)
- OCA’2004 – Chongqing-Chengdu-Jiuzhaigou (Chongqing City and Sichuan Province, P.R. China), July 25-31, 2004. (cluster chairs: S.Schaible and X.M.Yang)
- French-German-Spanish Conference on Optimization – Avignon (France), September 20-24, 2004. (cluster chairs: N.Hadjisavvas and D.T.Luc)
- ICAM4 – Baia Mare (Romania), September 23-26, 2004. (mini-symposium organizer: G. Cristescu)
- ICOTA’2004 – Ballarat (Australia), December 9-11, 2004. (cluster chairs: S.Schaible and X.M.Yang)