The International Working Group on Applied Nonlinear Analysis (WG-ANA) was founded during base on the organized prepare the International Workshop on Applied Nonlinear Analysis (IWANA 2019), September 12-14, 2019, Bangsaen, Chonburi, Thailand (https://iwana2019bangkok.wordpress.com/) it is a growing, interdisciplinary group of scholars from nonlinear analysis, in particular, fixed point theory and to assess new developments, ideas, and methods in this important and dynamic field. A special emphasis will be put on applications in related areas, as well as other sciences, such as the natural sciences, medicine, economics, and engineering.