Semih Demirtoka graduated from Istanbul Technical University, Department of Industrial Engineering in 1997. He received his master's degree in Management Information Systems(MIS) from the University of Baltimore, where he worked as a research assistant.
Between 2000 and 2010, he worked as a technical manager at a software company called Abila in the United States. Subsequently, he assumed the duties of Director of Planning, Programming and Coordination Department and Director of Project and Business Development Department in the Middle Anatolian Development Agency.
Currently, he is the Vice President of Corporate Excellence Unit at Havelsan, to which the Directorate of Procurement and Purchasing, Quality and Process Management, Test, Information Technologies and Information Security, Construction Works and Maintenance and Repair, Security and Administrative Services and Corporate Communication are affiliated.