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.

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Przemysław Guberow
President of the Management Board

A business development manager with 15 years of experience in financial institutions on MD, MB, and SB levels and CEO of the GPW stock listed company. Cofounder of the insurance start-up with 40M+ EUR exit. Creative, passionate, likes close relations with Clients. In 300Brains he’s responsible for global business development.

Andrzej Osial
Head of Business Development

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.

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.

James Hodgson
CEO of 300Brains UK

James leads the London office serving startup and corporate clients across the UK & Ireland. He has extensive experience working with founders, investors and senior managers in a variety of sectors most recently focussed on supporting fintech, legal, medtech and financial services firms.

Rune Skude Hernes
CEO of 300Brains Denmark

Rune leads the Copenhagen office serving growth companies all over Denmark. With only 33 years of age, Rune already has 14 years of leadership and people management experience. From team leadership to executive management. He is a commercial strategy mastermind with close relations to the top leaders and most innovative companies in Denmark.


US Office
201 Spear StreetSan Francisco, CA 94105
PL Office
Plac Małachowskiego 200-066 Warsaw
IS Office
Hlíðasmári 19201 Kópavogur - Reykjavik
UK Office
180 Borough High StLondon SE1 1LB, United Kingdom
DK Office
Otto Busses Vej 52450 København SV, Denmark