turkish medical association turkish medical association the turkish medical association (turkish: türk tabipleri birliği, abbreviated as ttb) is the professional association and registered trade union for doctors in turkey. its membership of 110,000 as of the year 2020, covers 80% of turkey's doctors. it is affiliated to the world medical association. turkish medical associationtürk tabipleri birliğiformation1953headquartersankara, turkeymembership 110,000 (2020)chairmanprof. dr. şebnem korur fincancıwebsitewww.ttb.org.tr membership is compulsory for self-employed doctors, but not for those employed by the government. its main source of income is membership fees, which are regulated by the ministry of health, but it does not receive any support from the government. in 2012, the turkish government created a new organization, the "board for health professions", giving it many of the responsibilities the ttb previously had, including maintaining and enforcing ethics codes. the ttb was entitled to appoint one of the board's 15 members, with the rest appointed by the government. on january 30, 2018, several senior members, including the ttb's chairman, raşit tükel, were arrested after criticizing the turkish military operation in afrin. chairman 2020–present day: prof. dr. şebnem korur fincancı 2018–2020: prof. dr. sinan adıyaman 2016–2018: prof. dr. raşit tükel 2014–2016: dr. bayazıt i̇lhan 2012–2014: prof. dr. ahmet özdemir aktan 2010–2012: dr. eriş bilaloğlu 2006–2010: prof. dr. gençay gürsoy 1996–2006: dr. füsun sayek 1990–1996: dr. selim ölçer 1984–1990: prof. dr. nusret fişek