Captain KAYSER was born in İzmir in 1969. He graduated from Naval Academy in 1990.

He assumed a variety of duties during his sea tour in period 1990-2002. He was Communication Officer of TCG GELİBOLU, CIC officer of TCG TURGUTREİS, navigation officer and operational officer of TCG BARBAROS. As a navigation officer and observer, He joined Flag Officer Sea Training (FOST) at Plymouth/UK.

During his sea period he joined Operation Sharp Guard and Standing Naval Force Mediteranian Staff Officer.

Shore appointmens have included CIC Training officer and staff duties in HQs.

After his sea period, he has assigned to Turkish Naval HQ-Ankara. Between 2002-2008, he served as CBRN Defence Officer, Between 2008-2011 he served chairman of the NTG CBRN Defence Training-Naval Sub Group (WT-2) Chairman, between 2008-2010, he served as C4ISR Project Officer. He served as a Maritime Security Branch Chief of the Turkish Navy between 2010-2012.

He worked in Multinational Maritime Securtiy Centre of Excellence-MARSEC COE as a Head of Transformation Department between September 2012-May 2013 and as a Deputy Director between May 2013-March 2017. Currently he is working at MARSEC COE as Director.

He was member of the NATO Naval Cooperation and Guidance for Shipping (NCAGS) WG and Contact Group on Piracy off the Coast of Somalia (CGPCS) – Working Group-1.

His decoration include, NATO Medal (Kosovo and Former Yugoslavia).

Sümer KAYSER is married with two children and speaks English.