Istanbul Office
Established under the leadership of Cem Ertem, a highly experienced Marine Engineer and former Ships in Service Director at Bureau Veritas, and located near the heart of the Mediterranean’s busiest shipbuilding and repair centres, our Istanbul office plays a pivotal role in managing major casualty repairs.
Our team has built a strong reputation for their expertise in handling complex repairs and controlling costs, with direct access to the extensive shipyards in Tuzla and Yalova. Known for their deep understanding of local practices, our Istanbul surveyors are trusted by international insurers to manage high-profile repairs efficiently and accurately. Their hands-on approach and strong relationships within the shipyard community ensure that projects are completed to the highest standards.
Experienced Team Members

Cem’s reputation and recognition in the local maritime community as a respected professional in his field, as well as his vast knowledge has been key to the establishment of our Istanbul office.
He has a vital role in our Istanbul Office, by directly and closely liaising with key executives of the local marine insurance market and shipping community.
PROFESSIONAL EXPERIENCE and QUALIFICATIONS:
- Bureau Veritas Ships in Service Director (SSOM) for Turkey, Israel & Caspian Sea countries (2years)
- Bureau Veritas Crew and System Certification Director(CSOM), ISM Lead Auditor, Maritime Security Auditor (MSA), Trainer, BVQI Lead Auditor, Regional Quality Auditor for the Middle East Region (4 years)
- Technical and General Manager for a shipping company (3 years)
- Class Surveyor – Hellenic Register of Shipping (2 years)
- Oceangoing Chief Engineer –sea-going service on board bulk carriers and chemical / oil tankers (10 years)
ACADEMIC QUALIFICATIONS:
BSc in Marine Engineering, Istanbul Technical University, Turkey
Cem ERTEM
Managing Director / Senior Partner+90 533 599 65 31
istanbul@ertemrivero.com

Giray has expertise on all kinds of casualty surveys and investigations for both H&M Underwriters and P&I Clubs and has supervised -from A to Z- several multi-million repair projects in Tuzla and Yalova shipyards, including a major explosion damage repair project, acting the overall Project Manager for 12 months.
With his background as a Master Mariner he specializes in investigation of collision and grounding accidents, possessing hands-on experience in navigating the Bosporus and Dardanelles Straits.
In addition, Giray having carried out vast numbers of P&I Loss Prevention Surveys himself for both IG and Fixed Premium Clubs, is responsible for the quality control of such surveys undertaken by our global office network.
Giray has also completed numerous Warranty Surveys of all kinds, specializing in Towage Approval, Office Management Assessment (JH 2013/007C), and Shipyard Risk Assessment (JH143).
Giray, together with Tugrul Ak, are in charge of all West Asia and Europe daily operations and surveyors’ management.
PROFESSIONAL EXPERIENCE and QUALIFICATIONS:
- Master Mariner/ Deck Officer – 10 years sea-going experience on board chemical/oil tankers
- ISM Internal Auditor for shipping companies
- Certified Operator for Ultrasonic hatch cover tightness testing with Class Type Approved Sherlog TA.
ACADEMIC QUALIFICATIONS:
- Associate Degree in Deck Department, Istanbul Technical University
- Bridge Team Management Course
- Framo System / Cargo Operations Course
Giray KINCAL
Principal Surveyor/ Senior Partner+90 533 599 16 47
istanbul@ertemrivero.com

Tugrul has expertise on all kinds of casualty surveys, such as machinery damages, fire, explosion and grounding and collision investigations for both H&M Underwriters and P&I Clubs. Also he has supervised various high-profile repair projects in Tuzla and Yalova Shipyards.
With his background as a Shipyard Repair Manager, he possesses deep knowledge of local shipyards practices and tariffs for all kinds of repairs.
Having been involved in numerous main and auxiliary engines crankshaft damages, he may be considered an expert in in-depth root cause analysis of all kinds of engine failures. Also he has attained expertise on scope and machinery repairs practices and methods.
Tugrul intervenes on technical and handling issues of all casualty cases and provides guidance to surveyors. He builds trust relations with key partners and stakeholders and acts as a point of contact for important clients.
Tugrul, together with Giray Kincal, are in charge of all West Asia and Europe offices daily operations and surveyors’ management.
PROFESSIONAL EXPERIENCE and QUALIFICATIONS:
- Oceangoing 1st Engineer – sea-going service on board bulk carriers, general cargo and container vessels (5 years)
- Shipyard Repair Manager and Procurement Engineer for NB projects (2 years)
- Certified Operator for Ultrasonic hatch cover tightness testing with Class Type Approved Sherlog TA
ACADEMIC QUALIFICATIONS:
- BSc in Marine Engineering, Istanbul Technical University, Turkey
Tuğrul AK
Principal Surveyor/ Senior Partner+90 533 239 15 11
istanbul@ertemrivero.com

Ece is a graduate of the Middle East Technical University as Food Engineer (METU – FDE) and of the Ankara University specializing in “Finance and Business Especially for Engineers” (BSS).
Upon completion of her studies, she worked in Koc Holdings’s group of companies for 8 years, in different departments such as Budget, Retail Sales Management and Sales for Major Customers Departments as Manager.
As Financial Director of our Istanbul office she oversees all financial activities, compiles and implements budgets and applies cost-effective and efficient solutions. Ece has painted all the art work in our office and never stops smiling.
Ece ERTEM
Financial Director / Partner+90 532 446 26 10
istanbul@ertemrivero.com

Orcun has attended an array of damage surveys (grounding, collision, fire, explosion, machinery and cargo damages).
He has carried out root cause investigation and analysis on a variety of machinery failures, particularly as a result of inferior bunker specifications/catfines.
With his background as a 1st Engineer in bulk carriers and container vessels, he possesses deep technical knowledge on maintenance, overhauling and operation of marine propulsion engines.
In addition, Orcun has also carried out numerous P&I Loss Prevention Surveys and H&M JH Risk Assessment and Warranty Surveys to include Port Risk Assessment, Yard’s Risk Assessment and Towage Approval Surveys.
PROFESSIONAL EXPERIENCE and QUALIFICATIONS:
- Oceangoing 1st Engineer – sea-going service on board bulk carriers and container vessels (6 years)
- Certified Operator for Ultrasonic hatch cover tightness testing with Class Type Approved Sherlog TA
ACADEMIC QUALIFICATIONS:
- BSc in Marine Engineering, Istanbul Technical University, Turkey
- IUMI Hull Tutorial Course
Orcun Bayraktutan
Senior Surveyor+90 541 403 28 03
istanbul@ertemrivero.com

Tolga has undertaken various type of casualty surveys on behalf of H&M Underwriters and P&I Clubs, involved in major casualties such as collision, grounding, fire, explosion, salvage operations and cargo damages.
With his background as a Chief Officer on board cape-size bulk carriers and multi-purpose general cargo vessels, he has attained deep knowledge on cargo handling on both bulk and project cargoes with lashing arrangements. He has also been involved in project cargo damages and collision investigations.
In addition, Tolga has carried out numerous P&I Loss Prevention Surveys and H&M JH Condition Surveys (JH 2013/007 A&B), specializing in Towage Approval and Voyage Approval Surveys, Port Risk Assessment, Office Management Assessment (JH 2013/007C), and Shipyard Risk Assessment (JH143).
PROFESSIONAL EXPERIENCE and QUALIFICATIONS:
- Oceangoing Deck Officer – sea-going experience on board cape size bulk carriers and multi-purpose general cargo vessels (8 years)
- Certified Operator for Ultrasonic hatch cover tightness testing with Class Type Approved Sherlog TA
ACADEMIC QUALIFICATIONS:
- Maritime Transportation and Management Engineering Piri Reis University (TUDEV), Istanbul, Turkey
- MTA Ship Surveying course
- IUMI Cargo Tutorial
Tolga Tankal
Senior Surveyor+90 530 418 17 14
istanbul@ertemrivero.com

Ali has been involved in casualty and marine warranty surveys of varying types acting for H&M Underwriters, as well as Loss Prevention surveys for P&I Clubs.
Having completed a 5-year term as oceangoing engineer on board General Cargo vessels & Bulk Carriers as 2nd Engineer, he was subsequently employed ashore as Superintendent Engineer (2 years) in a reputable Turkish shipping firm operating 12 general cargo vessels, before joining our surveyors’ team. As such, he possesses vast knowledge on main and auxiliary machinery operation, maintenance and repairs, as well as knowledge of local shipyards practices and tariffs for all kinds of repairs.
He is fluent in English.
PROFESSIONAL QUALIFICATIONS/EXPERTISE:
- Technical Superintendent, Oras Shipping (2 years)
- Oceangoing Engineer – 2nd Engineer (5 years)
- Certified Operator for Ultrasonic hatch cover tightness testing
ACADEMIC QUALIFICATIONS:
- BSc in Marine Engineering from Piri Reis University, Istanbul, Turkey
Ali Varol
Surveyor+90 542 483 2809
istanbul@ertemrivero.com

Utku has been involved in undertaking casualty surveys of all kinds, with a focus on main / auxiliary engines and machinery/propulsion systems failures, though including risk /condition / warranty surveys of varying types acting for H&M Underwriters, as well as Loss Prevention surveys for P&I Clubs.
Utku had completed a 4-year term as oceangoing engineer on board Suezmax Crude Oil Tankers, reaching the 2nd Engineer rank. During his seagoing service, he has attained an in-depth knowledge on tanker operations, on board maintenance and troubleshooting of main/auxiliary engines and machinery, as well as crude oil cargo operations. He also actively participated in vetting and drydocking inspections held during his service on board.
He is fluent in English.
PROFESSIONAL QUALIFICATIONS/EXPERTISE:
- Technical Superintendent, Oras Shipping (2 years)
- Oceangoing Engineer – up to the rank of 2nd Engineer, Gungen Maritime (4 years)
- Certified Operator for Ultrasonic tightness testing
ACADEMIC QUALIFICATIONS:
- BSc in Marine Engineering from Piri Reis University, Istanbul, Turkey
- Diploma in Marine Surveying, Lloyds Maritime Academy, North Kent University
Utku Can Doğan
Surveyor+90 549 583 36 66
istanbul@ertemrivero.com

Erman has undertaken various types of condition surveys on behalf of H&M Underwriters and P&I Clubs, and has been involved in Towage Approval and Voyage Approval Surveys, Port Risk Assessment, Office Management Assessment (JH 2013/007C), and Shipyard Risk Assessment (JH143).
With his background as a Chief Officer on board container carriers and oil tankers, he has attained deep knowledge of cargo handling for both bulk and project cargoes with lashing arrangements.
Until joining our Istanbul office surveyors’ team, Erman completed a 5-year term as an oceangoing chief officer, during which he participated in numerous dry-docking periods on various types of vessels. During his seagoing service, he attained in-depth knowledge of container operations and crude oil cargo operations. He also actively participated in vetting and drydocking inspections conducted during his service on board.
He is fluent in English.
PROFESSIONAL EXPERIENCE and QUALIFICATIONS:
- Oceangoing Chief Officer – sea-going experience on board container vessels and oil tankers (12 years), with keeping master mariner license.
- Certified Operator for Ultrasonic tightness testing
ACADEMIC QUALIFICATIONS:
- Maritime Transportation and Management Engineering - Istanbul Technical University (ITU), Istanbul, Turkey
- Bridge Team Management Course
- Framo System / Cargo Operations Course
- Large vessel handling course
Erman Göçmez
Surveyor+90 542 483 28 20
istanbul@ertemrivero.com

She has graduated from Marmara University, Faculty of Business Administration, Sales Management division. Prior joining our firm, Muge has worked in a telecommunication company for 10 years and in pharmaceutical company for 5 years, as an Administration Assistant.
Muge Atalay
Accounts & Administration+90 216 4106140
account.istanbul@ertemrivero.com

Tutku studied Modern Greek Language and Culture at Ankara University. Prior joining our firm, was an English teacher for 5 years and then worked as DPA assistant in a marine company for 3 years.
Tutku Dursun
Administration+90 216 4106140
admin.istanbul@ertemrivero.com
Tunelyolu Caddesi, Yaliyolu Sokak
Ismail Ergin Is Merkezi N: 54/10 B Blok
Ustbostanci 34744, Istanbul
Türkiye
+90 216 4106140
istanbul@ertemrivero.com