On behalf of the Executive Committee, Board of Director, members and supporters of the International Federation of Nonlinear Analysts（IFNA）, we would like to invite you to become a member of the International Federation of Nonlinear Analyst. www.ifnaworld.org

We have been working very diligently in making IFNA globally interdisciplinary in addressing the urgent and serious problems our society is facing by using various aspects of mathematical sciences. We at IFNA strongly believe that we can assist in solving or have a better understanding of the problems our global society is presently facing, in the areas of health, economy, energy, global warming, among others.

As you know, every four years IFNA hosts a word congress in bringing together, educators, researchers, business leaders, public, private academic administrators, government representatives, among others, to address their research interests, findings, policies, etc. that is a significant part of the missions and goals of IFNA. I am happy to announce that the theme of the 2012 IFNA World Congress is：

and will be held at the University of Athens and other historical locations in Athens, Greece, June 25- July 1, 2012. On our IFNA website, www.ifnaworld.org you will find the following information for your review：

 People working for People IFNA 2012 GREECE

Upon reviewing the program we have put together, we would appreciate any advice, suggestions, and recommendations you might have that will enhance the goal and mission of 2012 IFNA World Congress. We would also like you to inform us of any role you like to undertake：as a speaker, as a chair of a session, as an organizer of an invited session in your research findings or educational interests, etc. We anticipate that at least 125 countries will be participating. We also intend to publish the proceedings of the World Congress in four volumes.

On Our IFNA website：http://ifnaworld.org/subpage/ifna.journals.php?, you will also find several cultured, historical and educational events that will be available to the participant prior to and after the World Congress.