Nathan Berkovits (ICTP-SAIFR/IFT-UNESP, Brazil) Ted Erler (ACSR, Prague, Czech Republic) Thiago Fleury (IIP-UFRN, Brazil) Carlo Maccaferri (Turin University and INFN, Italy) Yuji Okawa (Tokyo University Komaba, Japan) Martin Schnabl (Charles University – Prague, Czech Republic) Ashoke Sen (Harish-Chandra Research Institute, India) Brenno Vallilo (Univ. Andres Bello, Chile) Barton Zwiebach (MIT, USA)