2017 - Limits of Taxation Intervention in Fundamental Rights and Freedoms, VEHUP 4th National Congress, 20.10.2017, Alanya (in cooperation with Faculty of Business Administration of Alanya Alaaddin Keykubat University);
2017 - Cooperation Strategies Between Turkey and EU for Fighting against Direct Taxation Circumventions, VEHUP 2nd Annual Congress, 06.02.2017, Istanbul (in cooperation with Law Faculty of Marmara University);
2016 - An Occupational Group In Purgatory: Tax Consultants (Occupational Group Members Subject to the Law No.3568), 7th International Fiscal Law Symposium, 06.04.2016, Istanbul (in cooperation with Istanbul Kultur University, Criminal Law Practice and Research Center (CEHAMER);
2013 - The Problems and Restructuring of the System of Tax Sanctions Symposium, 5th International Fiscal Law Symposium, 20-21.03.2013, Istanbul (in cooperation with Law Faculty of Istanbul Kultur University);
2010 - Lawful and Effective Public Supervision, 2nd International Fiscal Law Symposium (Humboldt Kolleg), 26-27.04.2010, Istanbul (in cooperation with Law Faculty of Istanbul Kultur University & Alexander von Humboldt Foundation);
1999 - How should Incomes be Taxed in the 21st Century?, 04.12.1999, Istanbul (in cooperation with Faculty of Economic and Administrative Sciences of Marmara University & Konrad Adenauer Foundation);
1998 - Financial System in Compliance with Constitution, 13th Finance Symposium of Turkey, Faculty of Economic and Administrative Sciences of Marmara University, 14-16.05.1998 (only contributed to the organization of this symposium).