Chairman of the Board
Vice Chairman of the Board
Vice Chairman of the Board
Vice Chairman of the Board
Mustafa DERYAL
R. Şükrü ERGÜN
Serdar ORAN


He was born in July 1955 / İzmir. He was graduated from Ege University, Economics and Commercial Sciences.

In 1980, he began his career as Director of Import and Export Department, in Faber Paint Dewilux Inc. Later he worked as the Director of Export in DYO Boya Fab. A.Ş. during 1983-1987.

In 1987-1991 he worked as General Manager in Westrace Limited in London/England.

He has been the Chairman of the Board in Arkem Kimya A.S. & Arkem Endustriyel Kimya A.S. and participations; Shanghai/China, Houston/A.B.D., Utrecht/Holland, Sofia/Bulgaria; and also Altintel Liman ve Terminal İşletmeleri A.Ş., Gokbil Lojistik A.Ş. ve Gokbil Tank Konteyner A.Ş. since 1992.

Mr. Kokuludağ is married and has two sons. He speaks English.

Cemal Drahor - DOW

Chairman of the Board

Regional Commercial Manager SE/CE Dow Coatings Materials & GM and Board Member of Rohm & Haas JV

Cemal Drahor is responsible for all commercial activities and driving Dow’s growth strategy in South, Central & Eastern Europe including Turkey. He is based in Istanbul. He reports to Nicolas Spilmann DCM Sales Director Europe & Greater Russia.

Drahor began his career in 1986 as an R&D engineer with Vestel. In 1990 he joined Akzo Nobel Kemipol in İzmir as Assistant to Sales & Marketing Manager. In 1993 he was appointed as Sales & Marketing Manager for Industrial Coatings including Automotive OEM.

In 2001, he assumed a role as General Manager for Akzo Nobel Industrial Coatings in Hungary and moved there.

In 2003, he was appointed as Business Manager for Automotive Plastic Coatings in Eastern Europe in addition to his General Manager position in Hungary.

In 2006 he was assigned as Commercial Vehicles OEM Manager, EMEA.

Between 2001 and 2010 he lived in Hungary.

In 2012, he joined DOW Coatings materials in İstanbul as being General Manager of Rohm & Haas JV and took the responsibilities of developing business in South Eastern Europe and Israel.

In 2016 he was was nominated as Board Member at Rohm & Hass JV and in December 2016 he was promoted as Regional Commercial Manager SE/CE Dow Coatings Materials.

Drahor holds a Bachelor's degree in Electronics & Communication Engineer from Istanbul Technical University.

He is married with 1 daughter.


Chairman of the Board

Ahmet YİĞİTBAŞI was born in 1958 in Izmir and he studied Mechanical Engineering at Aachen Technical University (Germany). He did his master degree in Fuel Engineering.

He started his career in 1987 at Union Kraftstoff (UK) in Bonn/ Germany and he joined to Yaşar Boya ve Kimya Grubu in 1989. He worked at Desa Makina ve Kazan San. A.Ş. between 1989 – 1990. He worked at Botaş Ambalaj San. A.Ş. as Vice General Manager of Marketing and Sales between 1990-1992, as General Manager between 1992-1996 and as Vice President which is responsible of various work units such as Packaging, Automotive Paints, Industrial Paints and Printing Ink. He worked at Yaşar Holding as President of the Paint and Chemical Group between 2001 – 2006 and as President of Foreign Investments and New Projects between January 2006-May 2009. Mr. YİĞİTBAŞI was Bosad’s Chairman of the Board between May 2006-May 2009; and he was member and Vice President of the Board of Trustes of Yaşar University between 2003-2010.

He has been working as President of Yaşar Holding’s Paint Group and as Bosad’s Vice Chairman of the Board since May 2009. He has also been working as President of the Board of Trustees of Yaşar University since March 2010.

He is married and has 2 children. He speaks English, German and French.


Feridun Uzunyol was born in 1957. After he graduated from Austria-Linz /Johannes-Kepler University where he studied Business and Administration, he continued to his education at the Finance Department of Wegner College in New York.

He is currently working as Chairman of the Board at Marshall A.Ş. He also serves as chairman or member in various occupational organizations.

He is married and has two children. He speaks English and German.

Dick Eustachius Henricus Velings

Dick Velings was born in Holland in 1973. He studied Maastricht University, majoring in Finance and Accounting and earning an MBA in International Management between 1993-1997.

In 1997 he started to work for Akzo Nobel Faser AG, focusing on various departments such as Auditing and Control, Financing, Takeovers and Disposal in Germany, United Kingdom and Brazil. After the company he was working for, was acquired by Akzo Nobel, he continued his “Fiber and Threads” works at CF Ploucquet GmbH & Co in 2001. As a result of his successful achievements he became Financial Director. In 2004 he worked at Symatex Technologies GMBH as a General Manager. In 2007 he returned to Akzo Nobel Holland as a Global Control and Resources Director. He worked successfully during the integration process of ICI, acquired by Akzo Nobel in 2008.

In 2009 he has been appointed as Financial Director of Marshall Boya ve Vernik Sanayi A.Ş. He has been working as General Manager at Marshall Boya since


Erol Mizrahi was born in Edirne in 1954 and graduated from the Faculty of Law at the University of Istanbul in 1977.

He has been working at Bitlis Group since 1976 and after having worked at the company’s various levels. On the second half of 1998 he started working as General Coordinator of the Group and General Manager of Polisan Boya Sanayi ve Ticaret A.Ş. He has been working as the CEO of Polisan Holding since 2005.

He is married and has a son. He speaks English.


After his graduation from Ankara Science High School, Ali E. Çavuşoğlu completed his studies in Chemical Engineering at Boğaziçi University. He did his master degree in Industrial Engineering and Administrative Science at Northwestern University in 1981.

He started his career in 1982 and he has been working in various levels at ÇBS Holding A.Ş. He was leading the re-organization of the group with the long-term credit procurement from IFC (a foundation of the World Bank Group) and the foundation of partnership, as well as the public offering both of the Group’s companies, as ÇBS Boya Kimya San. ve Tic. A.Ş. and ÇBS Printaş. The public offering realized by a team with the leadership of Ali E. Çavuşoğlu comprised many “first” practices in Turkey and it was awarded most creative banking event prize in 1996. He is also the founding partner and board member of several companies in the Chemical, Food and Representation areas and he is currently working as Chairman of ÇBS Holding’s.

Bosad’s Board member Ali E. Çavuşoğlu likes doing sports, reading books and going to the movies. He is married and has two children.


He was born in 1955. He graduated from the Geological Engineering Department of Istanbul University. He completed his studies at the same university, graduating as a Geological Engineer, Msc.

He started to work for Kale Group in 1995 at Çanakkale Seramik and in 1990 he became Manager of Region of Marmara at Kalamaden. Since 1998 he has been working as General Manager of Kalekim. Ferdi Erdoğan is also a member of Kalekim’s Board.


Vice Chairman of the Board

Mr. Kenan BAYTAŞ was born in 1953 in Derik . He graduated from Istanbul University Faculty of Economics. Mr. BAYTAŞ is the chairman of the Merbolin Paints Company which produces the brand ‘’ Merbolin ‘’ and also Mr. BAYTAŞ is a board member of ISO and TOOB Pension found foundation. İstanbul foundation board of trustees at the same time that education. Mr. BAYTAŞ knows English and Arabic. He is married and has two children.

Levent GÖKÇE

Levent Gökçe was born in Söke-Aydın in 1967. After his graduation from Mechanical Engineering of Middle East Technical University, he completed International Business Administration program at Istanbul University.

Since 2005, he is working as General Director at Saint-Gobain Weber Yapı Kimyasalları San. ve Tic. A.Ş.

He is married and has two children. Levent Gökçe is fluent in English.


He was born in 1961. After he graduated from Galatasaray High School, he studied Civil Engineering at Boğaziçi University. He achieved with honorary degree International Management Certificate Program at Istanbul University in 1986. He also finished successfully IMD’s “Program for Executive Development” in 2008.

He started his career in 1987 working for Mensoy İnşaat. He has been working at Jotun Boya since 1989 as an executive manager in various departments of the company. In 2005 he became a Board Member. Furthermore he has been a General Manager of Jotun Toz Boya A.Ş. since 2005.

Mr. Özarpak is a member of the Galatasaray Sports Club, Galatasaray Alumni Association and Enka Sports Foundation. He is also one of the founding members of the Boğaziçi Sports Club and was a board member of the Boğaziçi University Alumni Association and Boğaziçi University Foundation. He has been a BOSAD Board Member since 2004.

He is married and has 2 children. He speaks English and French.


Mr. Semih Kılıç was born in Ankara in 1961. As he had completed his graduate study at the department of Business Administration of Middle East Technical University (METU) in 1984, he started his career in DYOSAD Co. In 1988, he was appointed as Manager of Finance in Viking Co, Izmir. Later on, he worked as Manager of Financial and Administrative Affairs in Westrade Company in U.K. for two and a half years. He has been performing as Assistant General Manager / Finance & Financial Controller of AKZONOBEL KEMİPOL Co. and KANSAI ALTAN BOYA Co. since 1992. He is married and has two children. He is fluent in English.


He was born in 1961 in Ankara.

He graduated from the Faculty of Business Administration of Istanbul Technical University in 1984.

He was one of the founding members of Betek In 1988 and has been working in various positions in the company. He has been working as a General Manager and Board Member since 1995.

Tayfun Küçükoğlu is a Board Member of the associations Imsad, Bosad and Izoder.

R. Şükrü ERGÜN

He was born in 1958 in Istanbul. After his graduation from Galatasaray High School, he studied at Boğaziçi University.

After his post-graduate studies at the Norwegian Marine Academy, he started his career at Cerrahoğulları T.A.Ş. in 1982. He became the Turkish representative of a Norwegian paint and coatings company In 1986. He founded Jotun Boya San.Tic. A.Ş. together with Norway Jotun in 1989.

He has been a managing member of Jotun Boya San. Tic. A.Ş. since 2000. He is married and has 2 children. He speaks English and French.


Irfan Çimen was born in 1957. He graduated from Middle East Technical University Chemistry Department in 1980 and he did his master degree at the same university in 1982.

He started his career in 1981 as a Research Assistant at the Chemistry Department of Middle East Technical University. He joined to Yaşar Group in 1983. He worked as a Research Engineer at DYOSAD A.Ş. between 1983-1987 and as a Letterpress and Offset Research Expert at DYOSAD A.Ş. between 1987- 1991. He continued to work as Letterpress and Offset Research Expert at DYO Matbaa Mürekkepleri A.Ş. between 1992-1997. He worked as a Product Manager at DYO Matbaa Mürekkepleri A.Ş. between 1998-1999 and as a Production Manager at DYO Matbaa Mürekkepleri A.Ş. between 1999-2001. Irfan Çimen worked as an Operations Director at DYO Matbaa Mürekkepleri A.Ş. at 2001and as a Vice Technical General Manager at DYO Matbaa Mürekkepleri A.Ş. between 2001 – May 2002. He has been working as a General Manager of Dyo Matbaa Mürekkepleri Sanayi ve Ticaret A.Ş since 2002.

He is married and has one child. He speaks English.


Altuğ Akbaş was born in Istanbul in 1969. After he graduated from Kadıköy Anatolian High school, he entered Istanbul Technical University, Faculty of Mechanical Engineering in 1987 and graduated as a Mechanical Engineer in 1992. In the same year, he participated in Marmara University Institue of Busines and started his career in Kale Marketing which is one of Kale group companies as production planning supervisor. He worked at Kale group respectively as planning director, marketing assistant manager, sales manager, marketing coordinator until April 2003. After he had worked as marketing group manager at Kaleseramik between April 2003 – March 2003, he became the general manager of Kaledekor. He became General Manager who is responsible of Sales and Marketing of Kalekim A.Ş. in March 2011 and he has been carrying on his position as General Manager since June 2013. Akbaş who is married, has two sons.


Vice Chairman of the Board

Preparing Profile...

Mustafa DERYAL

Mustafa Deryal was born in Burdur/Bucak in 1956. He graduated from The Faculty of Agriculture, Ege University in 1974. He began his career with paint wholesaler in 1986 and works for paint production has been in progress since 1996. He worked as founding member and vice president at MUSİAD-Ankara branch. He elected as council member of the Ankara Chamber of Commerce elections in 1992. He worked as council member between 1999-2003 and as board member between 2003-2008. He has been council member since 2008. He has been carrying on the position of vice precident of TOBB Chemical Industry Council since 2008. He worked as board member at National Center for Productivity in 48th General Meeting and elected as chairman in 49th General Meting. He is married and has two children.


Semih İyigüllü was born in Bursa in 1985. After he had studied respectively Bursa Anatolian High School and Koç College, he graduated from Virginia Tech University from Business Economics department. He began his career as Finance Manager at Akiş Boya A.Ş. Semih İyigüllü is also board member at Akiş Boya and he has been carrying on his position.

Serdar ORAN

Serdar ORAN was born in Rize in 1961. He graduated Ankara University as Chemical Engineer. He completed his master degree at Chemical Engineering departmant of California State University in 1987. Serdar ORAN who began his career as industrial coatings research engineer at DYOSAD A.Ş., worked respectively as industrial coatings research specialist between 1992-1994, as industrial coatings factory manager between 1994-1997, as deputy technical general manager between 1997-1999, as unit marketing director between 1999-2000. He is appointed to DYOSAD AŞ. General Directorate. He became general manager at DYO Boya Fabrikaları. He has been working as vice president who is responsible for foreing Corporation of DYO Boya Fabrikaları ve Boya Grubu since June 1,2013. Serdar Oran who is married and has a child, speaks English.

Tulga DAL

Tulga Dal was born in Ankara in 1970 and he graduated from TED Ankara College in 1988. He graduated from Middle East Technical University as Chemical Engineer in 1994. He worked as production engineer at Volkan Boya Kimya Sanayi between 1998-2004. Since 2004, he is working as general manager at İBA Kimya Sanayi ve Tic. AŞ.. And he has been board member of TED Ankara College Foundation since 2010. He is married and has three children.


Born in Malatya in 1951, Ömer Bakır completed his high school education in Kabataş Erkek High School. After receiving his bachelor degree in Chemical Engineering from the Aegean University in 1972, he continued his education in chemistry at the University of Kiel in Germany, where he also worked as a faculty member and gave lectures for 3.5 years.

His career at Bayer started in 1985 in the headquarters in Leverkusen. Following a 3 years of marketing-oriented training in rubber and plastic departments, he returned to Turkey in 1988 to start working as the Business Unit Manager.

He is currently continuing to work as general manager of Bayer MaterialScience in Turkey, which is the subdivision operating on the production of high-tech polymer materials, paint and adhesives raw materials in Bayer Türk.

Bakır is also the Head of Agency Businesses of Bayer Türk including Lanxess, Tronox, Ineos (ABS ) and Syntomer.

Bakır speaks German and English and has 2 children.