About Us · Business Development Company in Warsaw

English (US)

English (US)

MARWIN LEIDEWALL

GOKTUG SIVGIN

Co-Founder

A Partnership Built on Trust
and Long-Term Vision

We collaborate only with the best in each industry, and consistently deliver experiences that meet the highest standards of quality and credibility.

Originally from Gothenburg, Sweden, with Polish roots, Marwin works fluently in English, Polish, and Swedish.

With a strong background in hospitality and marketing, he has worked directly with Piano Bar Warsaw, supporting VIP guest relations and corporate reservations with hands-on operational experience supported by a strong professional network across Poland and Sweden.

His approach is built on trust, discretion and precision. At RESOLVT, Marwin leads client relations and execution, serving as the trusted bridge between clients and premium partner brands.

"We collaborate only with the best in each industry, delivering every experience with the highest standards of quality and credibility."

Originally from Izmir, Turkey, Göktuğ brings an international mindset and a strong professional network across both Turkey and Poland.

While studying Computer Science at the Polish-Japanese Academy of Information Technology in Warsaw, he spent 3 years working at Piano Bar Warsaw. This experience gave him both an analytical mindset and deep operational insight into the hospitality and business world, engaging directly with high-end clients, executive teams, and private corporate events.

His approach is structured, discreet and results-driven. At RESOLVT, Göktuğ leads strategy planning and execution, serving as the trusted bridge between clients and premium partner brands.

"We connect our clients with premium brands, delivering results that reflect professionalism and trust."