Dr. Öcal Necmioğlu

Dr. Necmioglu has a BSc degree in Geophysical Engineering (Istanbul Technical University – 1997) and PhD in Geophysics (Boğaziçi University, Kandilli Observatory and Earthquake Research Institute (BU-KOERI) – 2014). He started his career as Field Geophysicist (Processing Geophysicist and Seismic Analyst) at Western Geophysical, Global Offshore Operations during 1997-2001. During 2001-2008, he worked for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) as Seismic, Hydroacoustic and Infrasonic Analyst. He joined Belbasi Nuclear Tests Monitoring Center of BU-KOERI in 2008 and has been appointed as the Vice-Manager of Belbasi Nuclear Tests Monitoring Center in 2014. He was the deputy manager during October 2014 – July 2015 and was appointed as the Manager of the Center in July 2015. Dr. Necmioglu has been acting as a national delegate for the Technical Working Group (WGB) Meetings of the Preparatory Commission for the Comprehensive Nuclear Test Ban Treaty Organization (CTBTO) since 2009 and was a WGB Task Leader on Performance Assessment during 2011-2015. Starting 2016, Dr. Necmioğlu is a WGB Task Leader on Testing, Provisional Operation and Performance Assessment mainly dealing with the progress in installation and certification of IMS facilities, integration of these facilities into IDC processing, and certification of radionuclide laboratories, PTE results for radionuclide laboratories, IMS station failure analysis, new requests for reduced assessments as appropriate, station operator performance, progress of GCI commissioning achieved and plans for future, data availability statistics, IDC performance (including infrastructure, product timeliness and quality), progress in executing the IDC Progressive Commissioning Plan, status and plans for PTS developments in ATM and cooperation with the WMO, status of application software for waveform and radionuclide analysis, consideration of guidelines for testing and provisional operation of the IMS, IDC and GCI and the review of progress in implementation of the evaluation programme of work.


Dr. Serdar Koçak

Dr. Kocak has a BSc degree in Astronomy and Space Sciences in common with Mathematics (Ankara University – 1997), MSc and PhD in Astronomy and Space Sciences (Ankara University Graduate School of Natural And Applied Sciences – completed in 2000 and 2007, respectively). He started his career as a station operator at Belbasi Nuclear Tests Monitoring Center in 1998. He attended AFTAC (American Air Force Technicial Application Center) Field Maintenance Seismic Field Site Maintenance and Subsurface Systems Maintenance training course, in 2000 and 2009 respectively, in Texas, USA. He became station manager of maintenance at Belbasi Nuclear Tests Monitoring Center in 2007. He is responsible of all operation and maintenance activities related to Belbasi Nuclear Tests Monitoring Center and coordinating all necessary maintenance actions with IMS (International Monitoring Systems, Vienna-Austria) and AFTAC.


Korhan Şemin (M.Sc)

Graduated from Istanbul University, Geophysical Engineering program (BSc) in 2001, later that year he was accepted to graduate program in Geophysics at Boğaziçi University, Kandilli Observatory & Earthquake Research Institute. Having earned his MSc degree in Geophysics in 2006, he is now pursuing a PhD degree in the same department. He has started to work for Belbasi Nuclear Tests Monitoring Center during his graduate education as a research assistant (2004 – 2007). Currently, he is working at Belbaşı NTMC as a geophysical engineer and station operator.


Cem Destici

He graduated from the Geophysical Engineering of Süleyman Demirel University in 2001. He started to work as a Research assistant in the University Earthquake Research Institute and worked on several different projects of applied geophysics in the Geophysics department between 2003 and 2007. Joined to Belbasi Nuclear Tests Monitoring Center of Boğaziçi University in 2007 and continues his career at the center as a geophysical engineer.


Uğur Teoman (PhD.)

After receiving his BSc degree at Physics Engineering from Istanbul Technical University (ITU-Department of Science and Letters) in 2002, Mr. Teoman started his academic career as a graduate student and a research assistant at Boğaziçi University-Kandilli Observatory and Earthquake Research Institute, Department of Geophysics. He earned his MSc degree in 2006 and has finished his PhD in 2016 at the same department. . He is currently working for Belbaşı Nuclear Tests Monitoring Center-Turkish National Data Center (NDC) as a geophysical engineer-data analyst.


Ramazan Tüzüner

He started working at Belbasi Nuclear Tests Monitoring Center in 2004 as a civil servant. He graduated from Department of International Relations of Anadolu University in 2013.


Ramazan Kurnaz

He started working at Belbasi Nuclear Tests Monitoring Center in 2016 as a electric technican. He is responsible for maintanence of electrical components at Belbaşi Center and all seismic stations. In addition to 20 year of experince in the field , he has successfully finished EKAT (Permission to work with high voltage equipment) training and earned EKAT certificate. 


Prof. Nurcan Meral Özel


Prof. Özel was the Manager of the Belbasi Nuclear Test Monitoring Center during 2006-2014 (October). During her tenure, she regularly participated in the Technical Working Group (WGB) Meetings of the Preparatory Commission for the Comprehensive Nuclear Test Ban Treaty Organization (CTBTO).

Özel completed her higher education in Turkey and Japan, obtaining a PhD degree in Seismology from Hokkaido University (Japan) in 1995. She was the Vice-Director of the Bogazici University-Kandilli Observatory and Earthquake Research Institute (BU-KOERI) in Istanbul-Turkey during 2009-2014 (October), also responsible of all seismological operations in BU-KOERI which hosts the 24/7 National Earthquake Monitoring Centre and Istanbul Earthquake Early Warning and Rapid Response System. She was the Head of the Geophysics Department at BU-KOERI during 2013-2014 (October). Previously, she worked at the International Seismological Centre in the United Kingdom during 2002-2004.

Prof. Özel is also the founding coordinator of the National Tsunami Warning Centre operational as of 2012 providing also services to Eastern Mediterranean, Aegean and Black Seas as a regional (Candidate) Tsunami Watch Provider (CTWP) under the framework of Intergovernmental Oceanographic Commission/ Intergovernmental Coordination Group/Tsunami Warning System in the North-eastern Atlantic, the Mediterranean and connected seas region (UNESCO/IOC/ICG/NEAMTWS).

During her professional career which has spanned nearly 30 years, Özel has developed expertise in earthquake source mechanism, global seismology, deep earthquakes in subduction sones, strong ground motion, historical earthquakes, seismic methods of monitoring nuclear tests, tsunami hazard and early warning systems. Özel has led teams and organizations in developing, implementing and operating advanced systems for earthquake monitoring. She has been the coordinator and participant of many international projects funded by the European Union and Japan Government.

Prof.Nurcan Meral Özel has been appointed as the Director of the International Monitoring System (IMS) Division at the CTBTO in Vienna since October 2014. As the Director of the IMS Division at the CTBTO, she is directly responsible to the Executive Secretary for the installation and certification of the network’s stations, systems and facilities, as well as the engineering and development of the network and its continuous sustainment. The IMS Division is also responsible for all logistics and shipments associated with the network, as well as the storage and accessibility of all data received from the stations. The complete network consists of 337 facilities, supplemented by 40 noble gas systems, around the globe.

 Prof. Niyazi Türkelli


Prof. Türkelli participated as the national delegate at the Conference on Disarmament for the Ad Hoc Group of Scientific Experts meetings in the United Nations in Geneva (1994-1997) and is the founding Manager of Belbasi NTMC during 2003-2006 . He was a Professor in the Department of Geophysics (retired in December 2015) and was the Deputy Director of KOERI during 2004-2006 . He was a Member of the IRIS-International Development Seismology Committee (2010-2013.)  Prof. Türkelli was the Head of the Seismological Observatory at KOERI during 1992-1999 and was responsible for establishment online/dial-up Broad Band Seismic Networks in Turkey and establishment of the Data and Information Center for KOERI. During 1985-1991, he was Assistant Professor at the Seismological-Geophysical Observatory of the King Saud University in Riyadh-Saudi Arabia responsible for the planning, installation and operation studies of the Saudi Arabian National Seismic Network.