Exiled Singaporean lawyer Tan Wah Piow said the peaceful transition of power after 14th General Election has become a beacon of hope for many countries struggling for democracy in Southeast Asia. Tan, local activist Hishammuddin Rais and other activists met with Prime Minister Tun Dr Mahathir Mohamad on Thursday to invite him to become a keynote speaker at a democracy conference, organised by the group next year.