A.R. Zafer Sayar

Visiting Senior Lecturer
Finance & Accounting

After graduating from Hacettepe University Economics Department as an honor student, he began his career as a junior auditor at Capital Markets Board (CMB) in 1988. He was responsible of regulating and enforcing of the capital markets subjects such as IPOs, accounting & auditing standards, corporate governance in various high-level positions till 2009 both in CMB and Turkish Accounting Standards Board. He holds MBA degrees from Ankara University and Peter Drucker Management Center at Claremont Graduate University (US) and earned a Ph.D. from Hacettepe University in 2003. Dr Sayar has taught at notable universities such as Bilkent, METU and TOBB ETU as a part-time professor. He became an Associate Professor in the field of accounting and finance in 2011. After his governmental duties at Capital Markets Board, he was appointed as a CEO at the Union of Chambers of Certified Public Accountants of Turkey (TÜRMOB) in 2009. Dr. Sayar served as a technical advisor to the International Federation of Accountants (IFAC) Board based in New York, US between 2011 and 2017. He was a full-time professor at Atılım University between 2021-2025. Dr. Sayar is currently a visiting senior lecturer of accounting at Bilkent University Faculty of Business Management.

>> SELECTED PUBLICATIONS

BOOKS

  • “Corporate Financial Reporting and Performance: A New Approach”, Palgrave Macmillan, Hardback ISBN: 978-1-137-51532-2, E-Book Pdf ISBN: 978-1-137-51533-9, E-Pub ISBN:978-1-137-51534-6, A catalogue record the book is available from the British Library, New York,November 2015.Co-Authors: Kaymaz Önder & Kaymaz Özgür

ARTICLES

  • “Does healthcare firms’ level of compliance with corporate governance and sustainability principles reduce the volatility of their stock prices? A case of borsa İstanbul”, Hacettepe Journal of Health Administration, 2025 28(4), 621-630. https://doi.org/10.61859/hacettepesid.1683692 , Co-authors: Tümer, T, & Tengilimoğlu, D.
  • “Key Audit Matters and Sectoral Analyses of Companies in BIST 30 For 2024: A Review of Reports from Big Four International Audit Firms”. Journal of Auditing and Assurance, 2025, DOI: 184 – 196, 01.08.2025(2), 184-196. Co-author: Özdemir, M. F.
  • “Investigating the Interaction Between Bitcoin’s Price and Selected Stock Indices: An Application for Borsa Istanbul”,  Journal of Business Academy, 2025, 5(4), ISSN: 2717-7009, DOI: 10.26677/TR1010.2025, 1562, June 2025, 260-291, Co-authors: Tolga Tümer & Büşra Özdemir
  • “An Emprical Study on the Factors Influencing the Implementation of Blokchain -Based Supply Chain Traceability System”, Journal of Logistics, Informatics and Service Sciences,  Vol.10 (2023) No:1, pp.280-297, ISSN: 2409-2665, DOI: 10.33168/LISS.2023.0116, Scopus Periodic, Co-author:Abdikarim, M. Ahmed
  • “Are There Any Relationship Between Tech Firm’s Stock Prices and Cryptocurrency’s Value?: A Pre and Post Pandemic Period Analysis”, Journal of Business Academy, 2023, 4(1), ISSN: 2717-7009, DOI:10.26677/TR1010.2023.1204 2023, pp.1-15, Co-author: Jehad Bassam. A. Alshamali
  • “Does transparency level affect the profıtabılıty ratıos of publıcly held banks? A corporate governance based research”, ‘, MÖDAV 19. International Accounting Conference Special Volume, 25/ 1, e-ISSN: 2564-7164, 2023, pp. 53-76 Co-author: T. Tümer
  • “Does Mandatory Integrated Reporting Affect Stock Prices? An Emprical Study on the Johannesburg Stock Exchange”, Journal of Research in Business, Volume:3, Issue:2, December 2018, ISSN:2636-8331, pp 133-149, DOI:10.23892/JRB.2019.26.Co-Author:Topdemir. Metin C.
  •  “Intagrated Assurance for Non-Financial Reporting”, International Journal of Economics, Commerce and Management,  Vol. V., Issue 1, January 2017, pp 72-81, ISSN 2348 0386, http://ijecm.co.uk , http://ijecm.co.uk/wp-content/uploads/2017/01/515.pdf, UK, Co Authors: E.Ergüden & C.T Kaya
  • “Essence of Integrated Reporting: A Holistic Framework for Sustainability and Value Creation”, International Journal of Academic Research in Accounting, Finance and Management Sciences (IJAR AFMS), Vol 6, No:1, January 2016, pp 29-34, E-ISSN: 2225-8329, P-ISSN: 2308-0337, www.hrmars.com   Co Authors: E.Ergüden & C.T Kaya