CPS Team

Tulû Gümüştekin 
Chief Executive Officer & Board Member

Emre Gönen 
Senior Consultant

Ian O. Lesser 
Senior Consultant

Zeren Erilmez 
Deputy Director General

Emrah Arbak
Consultant - Financial services

Gamze Taşpolat
Istanbul Office Coordinator - Competition policy, automotive, insurance  

Mehmet Erdem Bastıyalı
EU Expert - International Projects

Canan Coşkun 
Assistant Consultant - Pharmaceuticals, environment, competition policy

Menekşe Tokyay
Assistant Consultant - Pharmaceuticals, environment, regional policy

Ayçin Eren 
Assistant Consultant - Regional policy, environment, energy 

Öykü Erden
Assistant Consultant - Maritime transport, environment, employment

Tanyeli Sabuncu
Assistant Consultant - Employment, environment, maritime transport 

Derle Demirel
Assistant Consultant - Energy, food and beverage, taxation

Stacie Leone 
Marketing Communications Consultant


Advisory Board

Tulû Gümüştekin 
Chief Executive Officer & Board Member

Uğur Gümüştekin 
Board Member

Emre Gönen 
Senior Consultant

Ahmet Ecmel Yorgancı 
Senior Consultant

Ian O. Lesser 
Senior Consultant

Andrew Finkel
Member of the Advisory Board

Ergun Babahan
Member of the Advisory Board

Dr. Guy Vanhaeverbeke
Member of the Advisory Board

Jan Nahum
Member of the Advisory Board

Murat Sungar
Member of the Advisory Board

Erman Yerdelen
Member of the Advisory Board


Administrative Staff


Neslihan Dölen
Administration Manager

Yasemin Dede
Istanbul Office

Aynur Aydemir
Brussels Office