Sebastian Okinczyc

Sebastian Okinczyc is an Associate Partner and Head of Polish Desk. He has over 15 years of experience in corporate finance law, specialising in complex debt financing transactions and cross-border corporate lending.

He advises both lenders and borrowers, with a particular focus on structuring and negotiating high-value transactions across sectors such as energy, infrastructure, real estate, retail, and telecommunications. Sebastian leads the firm’s Polish Desk, where he strengthens ties with Polish-speaking clients and institutions, facilitating smooth cross-border collaboration.

At TEGOS, Sebastian works closely with major international financial institutions including the European Investment Bank, Nordic Investment Bank, PKO Bank Polski, Santander, Citibank, and MUFG, especially on large-scale energy and infrastructure projects and innovative financing solutions.

Known for his sharp legal insight, strategic mindset, and out-of-the-box thinking, Sebastian is a natural problem solver who simplifies the complex. His international mindset and fluency in five languages enable him to serve a diverse client base with precision and cultural fluency.

The international legal directory IFLR1000 has recognised Sebastian as a “Rising Star” in the banking and finance.

Outside the office, Sebastian is a passionate traveller and a beginner golfer.