Congratulate you and your whole team on the grand success of the Conference held in Philadelphia, USA. It was well planned and organized. Since all members of the managing committee were very friendly and sincere we felt homely at all moments. Moreover, my especial thanks are due to you and your team for the kind cooperation, hospitality and management. I look forward and wish you the best for the next meeting to be held in 2016. Once again, I thank you and all the crew members associated with the 4th International Conference and Exhibition on Metabolomics & Systems Biology. With my sincere regards and best wishes, to you and your team.