Management | dtlr




                                  Bulent is known for his passion and experience in transformative works that create value out of the data. He is an evangelist                                 of data-driven decision making and a researcher on the future of the retail industry. He is a serial entrepreneur, co-founded Obase, Osis and DTLR. He has taken leadership in starting innovative business and creating analytical products. Bulent co-authors scientific research papers on retail, writes articles for industry publications and is a speaker at worldwide events. Bulent is the CEO at DTLR and at Obase.

Bircan Tekin, MCEP, is a Business Intelligence Professional whose innovation and passion have both earned him the 

reputation as a seasoned industry leader. Over the course of two decades, he has garnered extensive leadership experience

and technical knowledge.


His role as the COO with DTLR is to pursue brand new US-based businesses. Bircan offers solutions to US-based commercial and government clients and serves as a Top Contributor on the MicroStrategy community site. No matter what he takes on professionally, his sights are set on becoming a world-renowned professional while building DTLR business into a thriving empire in the US market.


Outside of his career, Bircan Tekin is an avid tennis player. He also enjoys spending time in the great outdoors.

Bircan Tekin
Bulent Dal, Ph.D.
CEO, Co-Founder
Ezgi Gumus
Sales and Customer Relations

                                    With a dedicated customer-centric focus, Ezgi has 7+ years of professional experience in Business Intelligence. Expert

                                    in BI software license & maintenance sales, technical consultancy & solution offerings. Ezgi is responsible for the market

strategies, account management and the development of the sales processes at DTLR and Obase.


Wİth her experience, Ezgi advises customers about challenges, trends and solutions about sales operations, customer experience management, C-level mobile management reporting solutions, BI, data warehouse and advanced analytics projects with a multi-point of view perspective. Ezgi takes roles in big data and R&D product developments and sales for key customers under BI and advanced analytics perspective and supporting them.


She is in charge of the expanding the partner ecosystem, channel management and business development.  As a result-oriented character, she loves to support start-ups by advising them about strategies and challenges.


Ezgi is an adventurer who is passionate about food and travel.

Onursal Esin
VP, Analytics

For the last 20 years, Onursal worked on numerous Business Intelligence & Analytics projects, lead teams of engineers and 

consultants developing analytics solutions and giving professional services. He has mastered in major industries, such as

retail, telecommunications and airlines. Earned his leadership with his works in Data Warehouse, Business Intelligence Analytics, Data Security, Information Lifecycle Management and integration. Onursal and his team created the DTLR Platform and analytical products. He is focused on the development of Big Data solutions on Hadoop and Spark.


Onursal is the VP of Analytics at DTLR and Director of Business Intelligence at Obase.


Onursal is a gifted Tango dancer and enjoys dancing in cities he travels to.