About
What are we doing?
Crewin is an integrated SaaS ecosystem built to digitalize the global maritime workforce by connecting seafarers, shipowners, and maritime institutions within a single, data-driven platform. By unifying recruitment, crew management, and maritime education into one interoperable system, Crewin eliminates fragmentation, reduces operational risk, and enables smarter workforce decisions across the entire maritime lifecycle. Designed as a cloud-native, modular platform, Crewin serves as the system of record for maritime human capital — powering a more efficient, transparent, and connected global shipping industry.
about

Team

Süleyman Emre AYVACI

Founder (CEO)

Süleyman Emre AYVACI

Onur KILIÇ

Co-Founder (CTO)

Onur KILIÇ

Erkan COŞKUN

Seafarer Relations & Operation

Erkan COŞKUN

Cem ERENTÜRK

Product Advisor

Cem ERENTÜRK

Sinan AYVACI

Company Relations & Legal Affairs

Sinan AYVACI

Oğuzhan KORKMAZ

General Coordinator

Oğuzhan KORKMAZ

Samet DEMİRTOP

Software Coordinator

Samet DEMİRTOP

Uğur ŞAHAN

Business & Strategy Advisor

Uğur ŞAHAN

Samet KARAÇOBAN

International Operations Advisor

Samet KARAÇOBAN

Mustafa Kaan ÖĞREDEN

Sales & Legal Affairs

Mustafa Kaan ÖĞREDEN

Sadıkcan KAMİLOĞLU

International Operations Advisor

Sadıkcan KAMİLOĞLU

Osman ÖZÇELİK

Digital Marketing Lead

Osman ÖZÇELİK

Abdullah TANIDIR

Digital Marketing Advisor

Abdullah TANIDIR

Eymen ESER

3D Designer

Eymen ESER

Abdullah YAVUZ

FrontEnd Developer

Abdullah YAVUZ

Melih ERÜNAL

FrontEnd Developer

Melih ERÜNAL

contact-mors
Contact
What can we do together?
Let’s collaborate to digitalize maritime recruitment and crew operations. Whether you’re a shipping company, crewing agency, training provider, or ecosystem partner, we’re open to pilots, partnerships, and joint innovation opportunities.
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info@crewin.org
+90 530 641 2255
New York / USA
Istanbul / Turkiye
2026 © creWin is a brand of Crewision Corp.