Tümay is responsible for managing and advancing Turkcell Group's government affairs agenda with regulatory bodies, policy makers and manages sales operations of public accounts. (Presidency,TGNA, Ministries and Regulatory Institutions). Head of two divisions under Legal&Regulation function. (Executive Institutions Affairs & Legislative Institutions Affairs)Formerly served as CEO Office Manager responsible for Governmental Relations&Protocol Management.+12 years experienced in telecommunications, energy, media and infrastructure regulations, government relations, policy making, compliance, team leading and business development. Managed and participated in public relations, government affairs, accounting separation, cost modelling, network applications and compliance teams.Tümay also actively took role in sectoral institutions and NGO's as Member of Turkish National Delegation at International Telecommunications Union (ITU), as Member of Turkish Telecommunications Assembly which is a sectoral body under Turkish Union of Chambers and Commodity Exchanges (TOBB) and Turkcell Group representative (II) to AUSDER.Serves as Executive Board Member and Chairman of Foreign Relations Board at Turkish Kickboxing Federation which is affiliated institution to Ministry of Youth and Sports and represents Federation at the World Association of Kickboxing Organizations (WAKO) General Assemblies and Board Meetings.Serves also as Board Member of Turkish Chess Clubs Federation which aims to develop Chess Clubs and players.