" TRANSACTIONAL ANALYSIS TODAY
More than 10,000 people around the world today define themselves as transactional analysts. There are formal regional groups in many countries, one international organization, and five multinational ones: The International Transactional Analysis Association, the Americas Transactional Analysis Association (ATAA), the Western Pacific Association of Transactional Association (WPATA), The Asociación Latinoamericana de Análysis Transaccional (ALAT), and the European Association of Transactional Analysis (EATA). "

― Eric Berne , Games People Play