The scientific committee of the European Workshop on Efficiency and Productivity Analysis EWEPA has accepted the bid by TIMO KUOSMANEN and Antti Saastamoinen to organize the next EWEPA conferences in 2013 and 2015 in Helsinki, Finland. The next EWEPA"13 conference will take place in June 2013 at the AALTO UNIVERSITY SCHOOL OF ECONOMICS (former Helsinki School of Economics). The authoritative EWEPA Conference and its companion North American Productivity Workshop (NAPW) bring together academics and practitioners in the field of efficiency and productivity. Hosted for the first time in Finland, the EWEPA"13 will combine state-of-the-art research, innovative use of information technology, and attractive social events. Further details about the EWEPA"13 will be provided at the EWEPA website.