About Us

300Brains is a multinational group, delivering product consultancy and technology development for clients worldwide.

We are characterized by our agile way of working and extensive knowledge in the finance and insurance industries.

First slide
swiss polis
holland fintech


Andrzej Osial
President of the Management Board

An experienced CEO, Andrzej’s strengths lie in business planning and business development. Well-qualified in sales and operations management, marketing, e-commerce and project management, Andrzej is also a private investor in the IT, automotive, renewable energy and gaming sectors, amongst others. Andrzej is the CEO of 300Brains’ operations.

Noemi Malska
Member of the Management Board

Creative manager with a strong international presence. Noemi has experience in working in investment funds and its portfolio companies, where she learned different business models | industries & strategies. She has developed a company as a management board member as well as chairwoman of a supervisory board. At 300Brains she’s responsible for global business development.

Alex Zarganis
CEO of 300Brains US

After spending 13 years in Poland, Alex moved back across the Atlantic to set up 300Brains’ operations in his native United States. Holding a dual-degree Master of Education / MBA from Columbia University, he played a pivotal role in successfully launching a new independent high school in Warsaw before returning home. Alex works out of 300Brains’ San Francisco office.

Vilhjalmur Gunnarsson
CEO of 300Brains ICELAND

Villi has multinational business experience spanning Europe, the USA, Africa and Asia and the spectrum from startups to enterprises. In recent years, he has worked for one of the largest IT firms in Iceland as an IT consultant for small to large companies and government agencies while simultaneously managing a fast-growing startup. Villi heads 300Brains’ Reykjavik office.


US Office
201 Spear StreetSan Francisco, CA 94105
PL Office
Plac Małachowskiego 200-066 Warsaw
IS Office
Hlíðasmári 19201 Kópavogur - Reykjavik