Exceptional Leaders. Outstanding Performance.

Partners & Consultants

Data Expert has more than 25 years of experience in leadership consulting. Not only started as a trend setter in the industry, we also became the best in class when it comes to Executive search. Our practices are designed to deepen the expertise at each industry/function we operate to deliver the utmost quality of service to our client organizations. Moreover as entrepreneurs and former business managers we are aware of the challenges you face.

Our team has developed networks in their industries and functions over decades and each individual has outstanding expertise in their fields. This brings a tremendous advantage to our clients when they need a special agile solution for their organization and industry. 

Hasan Altunkaya
Managing Partner Linked-inLinked-in

Mr. Altunkaya, as founder of Data Expert, brings more than 35 years of Professional expertise to DataExpert. After working long years in managerial positions at a leading information technology company, Mr. Altunkaya decided to found “DataExpert” in late 1994.. As DataExpert shines over 25 years, Hasan Altunkaya has come up as one of the most reputed and respected Management & Executive Search consultants of Turkey. 


Conducting diverse executive search projects, he developed an “Invaluable Network” with his sincere approach. Even so, his success not only stands on an invaluable network, but also  on an excellent local market know-how, assessment capabilities developed over years and especially on a passionate, ethical and reliable approach. Combining these essential skills with his experience, he has been praised several times by press as the “Exporter of CEO’s”, the “Talent Hunter” and as the most trusted name for the HR market of Turkey. 


Additionally Hasan Altunkaya is engaged as an active entrepreneur in Turkish Professional Life, being part of diverse projects. 


Mr. Altunkaya continues to orient the professional lives of the Executives of Turkey, as leading strategic projects for his loyal business partners, within DataExpert.



M. Yasin Altunkaya
Managing Partner Linked-inLinked-in

Mr. Altunkaya holds an MA degree from Bahcesehir University in Marketing, BA degree from Istanbul University in the major of Business Administration. Additionally he studied at Brighton University on Psychology to gain knowledge about Human Psychology.  Since 2001, he has been working at DataExpert having Consultant, Senior Consultant, Business Development Manager and Partner positions respectively. Mr. Altunkaya specializes in searches at management levels, executive and non-executive board member positions.  He also provides board level management consultancy to companies. Additionally as the Shareholder & Founding Board Member in Keiretsu Forum Turkey and Board Member of Business Management Institute, Mr. Altunkaya devotes his efforts to improve entrepreneurship and governance within Turkish Business community as a social responsibility to parallel his position within DataExpert.  Mr. Altunkaya is fluent in Turkish, English with a basic understanding of German.



Nuran Durmaz
Partner Linked-inLinked-in

Ms. Durmaz holds BS degree from Middle East Technical University in Department of Management. She also studied financial management for develeopment at the Giordiano Dell'Amore Foundation in Italy. Ms Durmaz spent almost 9 years in the banking industry, she was the Vice President of Strategic Planning Department of a reputable bank until 2002. She led several teams including due diligence, M&A and strategy consulting in one of the international consulting companies until 2011.  Since 2013, she has been working at DataExpert as a Partner. Ms Durmaz specializes in searches at management levels, executive and non-executive board member positions. She also provides board level management consultancy to companies. Additionally, as angel investor of companies at early investment stage, Ms Durmaz also devotes her efforts to support enterpreneurship ecosystem in business community. Ms Durmaz is fluent in Turkish, English with a basic understanding of German and Italian.



Gamze Aksüt
Partner Linked-inLinked-in

Mrs. Aksüt holds BS degree in Economics from Marmara University. Mrs. Aksüt started her career at banking industry where she worked for close to 15 years at leading national and international banks. She decided to continue her career at executive search industry by 2002 and joined one of the leading executive search companies. Close to 15 years she conducted executive search asssignments as one of the partners. Between 2015 to 2020 for 5 years she worked at another leading local executive search company in Turkey. 

She advised local and international companies, highly specialized in C-Level and mid management recruitment projects. She is also experienced in assessment centre application, career consultancy for the professionals and talent management.Mrs.Aksut has been carrying on her career at Data Expert as a Partner since October,2020

Gamze Aksüt is trustee at Koruncuk Vakfı, which is a non-profit organization to protect the rights of vulnerable children in Turkey. She is dedicated to give support for the personal development and education of younger generations.

She is fluent in English with a basic understanding of French. 

Hüseyin Tanrıöven
Partner Linked-inLinked-in

Mr. Tanrioven holds a BS degree from Middle East Technical University in Statistics. Prior to joining DataExpert Executive Search, Mr Tanrioven held various top level management positions in Pharmaceuticals and Medical Device,  Internet, Retail and Education sectors in different countries. Mr. Tanrioven has over 25 years of management experience with solid track record in Marketing and Sales, Business Development, M&A, Management Consulting and People Management. During his career as Managing Director and General Manager of different organizations, Huseyin established successful executive teams who led to success. By of 2020, Mr. Tanrioven decide to continue his career at executive search industry and joined Data Expert. Mr. Tanrioven is fluent in Turkish, English 

Güray Gültekin
Senior Consultant Linked-inLinked-in

Mr. Gültekin holds a Bachelor’s degree in Guidance and Psychological Counseling from Middle East Technical University.Mr. Gültekin brings more than 18 years of experience in human resources leadership and organizational development to DataExpert. Since 2019, he has been working at DataExpert as a senior consultant and specializes in executive and mid management searches. Mr. Gültekin; having significant experience in holding companies, healthcare, hospitality, textiles and human Resources&Training companies; focuses on energy,  life sciences, industry and business services within DataExpert. Mr. Gültekin is fluent in English and intermidiate in German language. 



Gizem Çeçener
Consultant Linked-inLinked-in

Gizem Çeçener graduated from Notre Dame de Sion French High School and Bahcesehir University Departmant of psychology. Since 2017, she has been working at DataExpert having Research Consultant, Associate Consultant and Consultant positions. Gizem specializes in searches at management levels  and Assisting Partners in C-Level projects. Gizem is fluent in Turkish, English and French.



Sevgihan Oruçoğlu
Associate Consultant Linked-inLinked-in

Ms. Oruçoğlu holds a BA degree in Sociology from Bogazici University. Upon graduation, she had completed Gender & Women’s Studies MA program in METU with a focus on cultural transformation, diversity & inclusion within the workspace. In 2019, Ms. Oruçoğlu joined  DataExpert as a research consultant, became an Associate Consultant and has experience in recruiting senior leaders in a vast array of industries, and took part in management/strategy consultancy projects. Ms. Oruçoğlu is native in Turkish, has excellent command in English, and as a firm believer in the necessity of continuous self-improvement she is currently learning German.



Sümeyye Karakoç
Research Consultant Linked-inLinked-in

Ms. Karakoc started to her university life in the department of Psychology at METU then she transferred to Bahcesehir University and holds an BA degree in Guidance and Psychological Counseling. Ms. Karakoc had the opportunity to experience and observe different HR areas such as Leadership and Talent Management, Performance Management, Recruitment and Selection through by long – term internship experiences. As a result of her experiences, she decided to continue her career in the field of Human Resources and started to work as a Research Consutant at DataExpert since 2020. Ms. Karakoc is advanced in English. 

Egemen Malgir
Research Consultant Linked-inLinked-in

Mr.Malgir holds a BA degree in sociology from Middle East Technical University, and also BA degree from Anadolu University in Business Administration. He had the chance to gain experience in Human Resources and consulting field in his internship. Since 2020, he has been working at DataExpert as a Research Consultant. Mr. Malgir is fluent in Turkish and English

Sema Güngör
Research Consultant Linked-inLinked-in

Mrs.Gungor holds aMA Degree from Istanbul University in Human Resources and BA Degree from Istanbul University in Translating and Interpreting. Mrs.Gungor started her career at Business Management Institute as Education Consultant at 2012. After 6 years of experience,Since 2018 she has been working at DataExpert as Senior Research Consultant.

Mrs. Gungor specializes in searches at IT, HR, Finance, sales & marketing functions in various sectors like production, logistics, consultancy, technology, start-up, e-commerce, finance, energy and construction. 
Mrs. Gungor is fluent in Turkish and English.