OUR TEAM
High profile professionals who are experts in their fields, who have experience in numerous “ERP – Enterprise Resource Planning”, “Supply Chain”, “Budget”, “Management Accounting” and “Performance Management” projects, know the technology very well and can integrate them into the system by developing need-oriented solutions.
İlker TÜMKAYA
Managing Partner
He graduated from Bilkent University Faculty of Engineering in 1998, Industrial Engineering, and in 2011 from Yeditepe University, MBA (Finance).
He started working at Eczacıbaşı Holding and Georgia Pacific partnership İpek Kağıt in August 1998 and contributed to SAP projects for 12 years. He also managed the project that saves more than $ 1 million in energy annually and the “Sales Operations Planning” process between Eczacıbaşı Girişim Pazarlama and İpek Kağıt.
Between 2010 and 2013, it completed the SAP project, which includes production, planning, quality, sales – distribution network and export, covering 3 factories in Tamek, in a record time of 7 months. He managed the entire process from determining the scope of the project to the final stage. In addition, he led the “Distributor Management System”, which changed the entire discount structure of the company, and the “Activity Based Costing and Profitability” project, which showed the detailed profitability of the process from the field to the end consumer. Finally, he suggested the “Turquality” project and made it available in as little as 4 months with great 10 people of colleague. As a result of all the work done, EBITDA has increased from 2% of net turnover to 10%.
In 2013, he started to work as the Group Operations Director (COO) in RE Group, which consists of a total of 8 companies operating in the textile, distribution, automotive, construction and tourism sectors, started to work as a member of the Executive Board, reporting to the Chairman of the Executive Board and the CEO. In addition to managing all Information Technologies, Central purchasing, import / export operations of the group, as well as consulting General Managers in target companies, he worked on human resources, information technologies, planning and sales to increase the profitability of the company.
In 2015, he started to run STS Bilişim Danışmanlık and continues to serve its customers as an end-to-end Strategic Technology Consultant and Business Partner.
Emin Murat KESKİN
Project Management Office Director
He was born in 1967 in Istanbul. He graduated from Istanbul University, Chemical Engineering Department in 1989. After completing his postgraduate education in 1991, he worked as a Research Assistant at Istanbul University. He specialized in Information Technologies and joined to Eczacıbaşı Group in 1997.
Until May 2013, he managed various infrastructure and business solution projects as “Information Technologies Project Manager” at Eczacıbaşı Holding. Since 2013, he has carried out many large-scale projects as an independent consultant. Since 2015, he has undertaken the management of the institution as deputy general manager at BMR Turkey. He has been working as “Senior Technology Consultant” at STS since November 2016.
Oya Melek DALOĞLU
Chief Financial Officer
She was born in 1968 in Istanbul. In 1989, he graduated from Marmara University, Faculty of Economics and Administrative Sciences, Department of Economics. In 1989-93 Alarko San.ve Tic. A.S. After his work experience in “Planning” and “Accounting” departments in Alpom Organization, 1996-1998 Migros Türk T. AŞ., 1998-2002 EGS Sistem AŞ. and 2002-2016 Engin Group as “Financial and Administrative Affairs Manager”. She has been working as “Chief Financial Officer” at STS since December 2016.
Sami Suat DEMİRTAŞ
Chief Operating Officer
He was born in 1981 in Çanakkale. He graduated from Istanbul University, Electrical-Electronics Engineering Department in 2006.
He started his career as a specialist software developer in VBT (Vizyon Information Technologies) software company between 2009 and 2012, and worked as a project manager in many ERP and SFA (Sales Force Automation) projects within the company.
He worked as SAP/ABAP Software Development Chief at TAMEK between 2012-2013 and as “Information Technologies and Business Support Manager” in the same company between 2013-2020.
He managed operational applications such as SAP ERP , SAP BI , SAP BPC , SFA used within the company. He has been working as “Operation Director / COO” at STS since August 2020.
Melike GÜNEŞ
Business Intelligence and Corporate Performance Management Specialist
She was born in 1997 in Istanbul. She graduated from Yıldız Technical University, department of Mathematical Engineering, which she entered in 2015, in 2020. She did Erasmus in the department of Computer Science at Halmstad University in the fall of 2017 in Sweden. Between 2015-2020, the school’s compulsory internships were carried out by Ödeal Payment Organization, IBTECH International Information and Communication Technologies and Digitallency Information Consultancy TİC. AŞ. In October 2020, she joined the STS family and started to work as “Business Intelligence and Corporate Performance Management Specialist”
Fatih Mustafa ATKEYDİREN
Business Intelligence and Corporate Performance Management Assistant Specialist
In 2021, he graduated from Ege University, Department of Mathematics. During his undergraduate education, he worked in positions such as Computer technical staff, System support Specialist, Local System Manager in the Local System Management unit of the university and in private companies serving in various sectors. In addition, he participated in various courses on the database and increased his competence by being influenced by the concepts of “Big Data” and “Data Mining” that he learned during the undergraduate period. In September 2021, he joined the STS family and started to work as “Business Intelligence and Corporate Performance Management Assistant Specialist”.
Baran ASLAN
Business Intelligence and Corporate Performance Management Assistant Specialist
He was born in 2001 in Istanbul. He was started ITU Mathematical Engineering department in 2018 and graduated in 2023. In his ITU years, he was excited about “data” and “database” therefore, he joined STS family as an Intern in July 2022. When he was Intern, he was studying data, database, SAP/ABAP and Jedox, also he was helping continuing projects. Begining of the July 2023, he started working as “Business Intelligence and Corporate Performance Management Assistant Specialist” in STS.
Mustafa AKIŞ
Business Intelligence and Corporate Performance Management Assistant Specialist
He was born in Balıkesir in 2001. He graduated from Balıkesir University with a degree in Industrial Engineering in 2023. Throughout his undergraduate education and internship experiences, he particularly showed interest in topics such as energy efficiency, factory simulation, system analysis, inventory turnover, and cost analysis. Influenced by the concepts of ERP and relational databases, he combined these interests to develop an original business management software. In February 2024, he began his professional career by joining the STS family as an “Business Intelligence and Corporate Performance Management Assistant Specialist.”
