Martin Rapp, EDANA Chairman with Claude Membrez, General Director of PAL… International Fiber Journal June 20, 2017 7 Views Martin Rapp, chairman of EDANA (left), and Claude Membrez, general director of Palexpo, announcing that Index 20 will again be held in Geneva. Martin Rapp, chairman of EDANA (left), and Claude Membrez, general director of Palexpo, announcing that Index 20 will again be held in Geneva.