Senior Management Team

Born in Kayseri in 1968, Yusuf Satoğlu completed his primary, secondary, and high school education at TED Kayseri College. He graduated from the Department of Public Administration at the Middle East Technical University (METU) Faculty of Economics and Administrative Sciences. He pursued a master’s degree in “International Banking” at the Banking and Insurance Institute of Marmara University.
He began his professional career in 1993 as a Management Trainee at Aksigorta, part of Sabancı Holding. He continued to work in various managerial positions until 2003. In 2003, he was appointed as the General Manager of Ankara Sigorta after it was acquired by the Police Maintenance and Assistance Fund. He left this position in 2008. In the same year, he became the General Manager of Türk Nippon Sigorta. In 2014, he was appointed as the General Manager of TARSİM. In 2020, he was appointed as the General Manager of Alfemo AŞ, which operates under the Savings Deposit Insurance Fund (TMSF). After leaving this role in 2023, Satoğlu was appointed as a Board Member of Gama Insurance ve Reinsurance Brokerage in January 2024. In addition to this position, he has also taken on further responsibilities as General Manager since April 2024.

Berrak Budak is a senior finance executive with more than 20 years of experience in finance, audit and accounting. She has extensive experience across a range of industries in managing financial operations, budgeting and reporting processes, strategic financial planning and improving operational efficiency.

Professional Experience

TMF Group
Accounting Specialist | April 2005 – September 2006

Deloitte
Senior Tax Specialist | September 2006 – November 2008

Mercek Bağımsız Denetim ve YMM A.Ş.
Senior Auditor | November 2008 – November 2011

Ernst & Young
Assistant Audit Manager | November 2011 – October 2014

KPMG
Audit Manager | October 2014 – October 2017

BDO Denet
Senior Audit Manager | November 2017 – October 2018

Levent Kimya Sanayi ve Ticaret A.Ş.
Finance and Accounting Manager | October 2018 – December 2022

OYAK / Ataer Madencilik San. ve Tic. A.Ş.
Finance and Accounting Manager | December 2022 – May 2025

Denge Gayrimenkul Değerleme ve Danışmanlık A.Ş.
Deputy General Manager | May 2025 – November 2025

Gama Sigorta ve Reasürans Brokerliği A.Ş.
CFO | January 2026

Education

Istanbul University, Faculty of Business Administration – Bachelor’s degree in Business Administration

Certificates

Certified Public Accountant (SMMM) Licence – 2010
CMB (SPK) Independent Audit Licence – 2012
CFO Programme (LABA) – 2023
Trainer Certificate – Istanbul Chamber of Certified Public Accountants (IFRS and Turkish Commercial Code)
SAP CO Cost Accounting Module Configuration Certificate (Brainy Academy) – February 2026
SAP FI Expert User Certificate (Brainy Academy) – December 2025

Born in 1968 in Gaziantep, Bülent Keskin graduated from the Faculty of Law at Selçuk University in 1991. After completing his legal internship, he began his professional career in 1992 as a legal counsel at Aktaş Elektrik A.Ş., where he worked for approximately one and a half years. Following the completion of his military service, he joined Oyak Sigorta A.Ş. (now Axa Sigorta A.Ş.) in 1995 as a legal advisor and continued in this role until 2000.

Between 2000 and 2002, he served as the Head of Legal and Recourse Departments at Bayındır Sigorta A.Ş. From 2002 to 2012, he held the same position at İsviçre Sigorta A.Ş. (later Ergo Sigorta A.Ş.) and was later promoted to Legal Counsel within the same company.

From 2012 to 2021, he continued his career at Güneş Sigorta A.Ş. (now Türkiye Sigorta A.Ş.) as Legal Counsel.
With extensive experience in insurance law, Bülent Keskin served two terms as the Chair of the Insurance Law Commission of the Istanbul Bar Association. During his tenure at Türkiye Sigorta A.Ş., he was also an active member of the Legal Commission of the Insurance Association of Türkiye, contributing to various sectoral initiatives.

As of March 2025, he has assumed the role of Deputy General Manager of Damage at Gama Sigorta ve Reasürans Brokerliği A.Ş.

Coming soon…

Nihat Yavuz graduated from the Faculty of Economics and Administrative Sciences, Department of Business Administration at Anadolu University. He started his professional career in 1999 as an assistant specialist at Anadolu Sigorta. That same year, he started working as a specialist at Demir Hayat.
From 2005 to 2007, he served as a team leader at Güneş Sigorta, and between 2007 and 2013, he held the position of Assistant Manager. He then served as the Corporate Marketing Sales Manager from 2013 to 2018 and as the Corporate and Individual Sales and Technical Manager from 2018 to 2020, while also managing the Health Department as the Bank Reinsurance Manager.
From 2020 to 2023, Nihat Yavuz worked as the Corporate and Individual Sales Manager at Türkiye Sigorta. In April 2023, he was appointed as the Deputy General Manager responsible for Health and Life Insurance at Gama Sigorta ve Reasürans Brokerliği A.Ş.

Coming soon…

Funda Akşahin is an insurance professional with many years of experience in the insurance industry, particularly in health insurance customer services, pre-authorisation, claims and operations management.

She began her career in 1997 at Halk Yaşam A.Ş. / Yapı Kredi Yaşam A.Ş., where she served as an Officer in the Individual Cash Payments unit of the Health Customer Services Department (June 1997 – June 2001).

Between 2003 and 2014 she worked as a Specialist in the Written Pre-Authorisation Section of the Health Customer Services Department at the head office of Yapı Kredi Sigorta A.Ş., playing an active role in running health insurance pre-authorisation processes and managing the related operations.

From December 2014 to July 2015 she worked in the Health Reimbursement Claims and Written Pre-Authorisation Section of Allianz Sigorta A.Ş., handling health claims processes.

Between 2018 and 2019 she served as Team Leader of the Health Renewal Sales Team at the head office of Sigortam.net Sigorta ve Reasürans Brokerliği Hizmetleri A.Ş., managing health insurance renewal sales processes and coordinating the team.

From September 2019 to August 2020 she served at the same company as Team Leader of the Health Operations Team / Health New Business Sales Team / Health Renewal Sales Team, taking charge of the management of operational processes.

Since January 2021 she has been with Gama Sigorta ve Reasürans Brokerliği A.Ş. as Health Claims and Operations Manager and, as of 2026, as Health Claims and Operations Director. In this role she is responsible for health insurance claims, pre-authorisation and policy issuance processes, operations management and the coordination of the related teams.

Coming soon…

She graduated from the Department of Mathematics at Middle East Technical University (METU) in 2005 and completed her master’s degree in Financial Mathematics, also at METU, in 2008. Eker began her insurance career in 2008 as an Assistant Specialist in the Reinsurance Department of Anadolu Anonim Türk Sigorta Şirketi and remained with the company until 2019, serving as Assistant Manager responsible for the management of reinsurance operations and accounting. In September 2019 she joined Türk Reasürans A.Ş. as Financial Reporting and Accounting Manager, and completed her tenure there in March 2025 as Group Manager responsible for Structured Reinsurance, Reinsurance Accounting, Financial Reporting and the accounting processes of the Turkish Catastrophe Insurance Pool (DASK) and the Special Risks Management Centre (ÖRYM). An associate actuary, Eker has been serving as Reinsurance Director at Gama Sigorta ve Reasürans Brokerliği since October 2025.

Born in Istanbul in 1976, Mehmet Ali Koyuncu graduated in Computer Programming from Ondokuz Mayıs University in 1998 and subsequently from the Department of Business Administration at Anadolu University. He began his professional career in 2000 in the Internal Services and Purchasing Department of Başak Hayat A.Ş. He continued in his role when Başak Sigorta and Başak Hayat A.Ş. were acquired by the French insurer Groupama in 2007 as part of their privatisation and, following Groupama’s exit from Turkey in 2023, carried on his career at Axa Sigorta A.Ş.

Throughout his career he has taken an active part in the operational processes that followed the sale of Başak Sigorta and Başak Hayat Emeklilik A.Ş. to Groupama in 2007, the sale of Güven Sigorta to Groupama in 2009 and the sale of Groupama to Axa in 2023.

Mehmet Ali Koyuncu was appointed Director of Administrative Affairs and Purchasing at Gama Sigorta ve Reasürans Brokerliği A.Ş. in May 2025.

Neslihan Koyuncu worked at Alkosan Sigorta Ara. Hiz. Ltd. Şti. in the Collection and Finance department. Between 2011 and 2014, she worked as a Collection Specialist in the Collection – Legal department at Türk Telekom Ümraniye Regional Directorate. Since 2014, she has been working at Gama Sigorta ve Reasürans Brokerliği A.Ş. as Finance Director in the field of financial management, budgeting, reporting, improving financial operations and increasing profitability, accounting.

Nurtekin Güler graduated from Atatürk University, Faculty of Economics and Administrative Sciences, Department of Economics in 1991 and started his professional career as an officer at the General Directorate of Başak Sigorta on March 30, 1995. After the sale of Başak Sigorta to the French company Groupama, he continued working at Groupama, where he has served as the Collections Manager for approximately 12 years.
During this time, he participated in various projects, including the merger resulting from Groupama’s acquisition of Güven Sigorta, the overhaul of the system infrastructure, and the centralization of the collections department within the headquarters. After Groupama decided to exit Turkey, Güler worked at Axa Sigorta from April 2023 to April 30, 2024. As of May 2024, he was appointed as the Collections Director at Gama Sigorta ve Reasürans Brokerliği A.Ş.

Serhat Onan graduated from Istanbul University’s Forest Engineering and gained experience in various positions in the insurance sector. He started his career in 2011 as an Agent Representative at Ergo Sigorta A.Ş. Istanbul European Regional Directorate, later advancing to the role of Sales Manager, where he managed sales teams and achieved profitability growth at the regional level. In 2014, he served as the Automotive Dealer Channel Sales Manager at Ergo Sigorta A.Ş., where he developed relationships with car dealerships and increased production through sales campaigns.

Between 2016 and 2018, he worked as a Senior Client Manager at IBS Sigorta ve Reasürans Brokerage, acquiring new customers in both local and global markets and building sustainable relationships by expanding existing customer portfolios. From 2018 to 2020, he held the position of Corporate Sales, Technical, and Claims Manager at TDB Sigorta ve Reasürans Brokerage, managing the renewal processes of existing corporate clients and acquiring new corporate clients.

From 2020 to 2022, Serhat Onan served as the Manager of Brokers and Captive Agents at Unico Sigorta A.Ş., where he focused on increasing premium production and developing sustainable relationships with brokers and captive agents. In 2022, he was appointed Sales Manager at Koluman Sigorta A.Ş., where he continued his efforts in creating the annual sales budget, managing the sales team, and acquiring new products and clients aligned with company targets.

Starting in October 2024 as the Corporate Sales Manager at Gama Sigorta ve Reasürans Brokerliği, Serhat Onan was subsequently promoted to Corporate Sales Coordinator and, as of January 2025, continues his role as the Corporate Sales Director. In this new position, he ensures alignment and coordination across all stages of the company’s sales processes, directing all sales activities under the supervision of the Board of Directors and contributing to the company’s growth.