We are proud of our team.
MSL consists of creators and innovators who approach their work from different perspectives, showing unwavering enthusiasm and constant pursuit of excellence. Our ability to build and influence the environment distinguishes us from others. We are MSL. We make our clients' voice matter.

Management Board

Grzegorz Kuźnik

Deputy Managing Director

Grzegorz Kuznik media and communications expert with over 15 years of experience in the industry. Graduate of the University of Silesia with a specialisation in marketing and management,

Before joining Publicis, Grzegorz worked at the Edelman agency, where he created communication strategy for technology brands in Central and Eastern Europe, such as Hewlett-Packard, Electronic Arts, Bose and Xbox360. During these assignments, he specialised in translating technological language into consumer language. His strategic insights and innovative approach were instrumental in rebuilding the image of many technology and gaming brands, helping them achieve success.

Currently, as Director of Consumer and Board Member at MSL Agency, Gregory works and has worked with leading entertainment and broad lifestyle clients such as PlayStation, Puma, Amazon and SHEIN. He was also responsible for the launch of Netflix and SkyShowtime services in Poland and other CEE markets on behalf of the agency.

In addition to specialising in managing client communications in CEE markets, Grzegorz is also an expert in crisis management with a particular focus on the technology and consumer industries.

Grzegorz and his team’s work has been nominated and awarded in prestigious PR competitions such as Cannes Lions, SABRE Awards and Złote Spinacze.

Grzegorz is interested in new technologies, games and in his spare time he races in amateur car competitions.

Łukasz Kowalski

Deputy Managing Director

Łukasz Kowalski has over 15 years of experience in corporate communications, Public Affairs and issue management, gained both in business and the public sector. He started working at MSLGROUP in 2014. Earlier, he was an advisor in international PR agencies and acted as a spokesperson for the Warsaw City Council. Since 2016, he has been the co-chairman of the Marketing and Communication Committee of the American Chamber of Commerce.

Łukasz has extensive experience in implementing projects for clients from the energy, industrial and defense sectors. He is an advisor to international corporations for which he creates strategies for communication, reputation management and building relationships with opinion leaders. The area of ​​his particular interest is communication support for changes that are taking place as a result of technological and industrial progress.

Awards: Srebrny Spinacz 2016 Corporate Communication – Communication of the TVN acquisition by SNI, Srebrny Spinacz 2016 Investor Relations and Financial Communication – Communication of the TVN acquisition by SNI, Srebrny Spinacz 2016 Media i Kultura – Communication of the TVN acquisition by SNI, EMEA SABRE Chemicals & Industrials 2020 – ArcelorMittal Tomorrow Without Smog, Złoty Spinacz 2019 Industry and Infrastructure – ArcelorMittal Tomorrow Without Smog, Brązowy Spinacz 2019 Sustainability and CSR – ArcelorMittal Tomorrow Without Smog


University of Warsaw Faculty of Journalism and Book Studies – Postgraduate Studies in Corporate Communication – classes in Corporate Communication, Public Affairs and Lobbying


Renata Toczyska – Seliga

Deputy Managing Director

Renata is a communications expert with 20 years of experience gained within the agency and on client-side. At MSL, she is responsible for strategic consulting for the healthcare as well as transport and tourism sectors. She supervises all crisis projects in these fields. At MSL she has created and been leading for many years the department responsible for communication of companies and organizations from the healthcare industry. She created numerous campaigns, including for Infarma, Novartis Oncology, Bristol-Myers Squibb, Roche, GSK, Novo Nordisk, Medicover, Polpharma, Gedeon Richter and PZPPF.

Before joining MSL, she worked as Corporate Communications Director and internal and external communications project manager at LOT Polish Airlines. She also worked for Star Alliance corporate communications team. She was a member of the Star Alliance Corporate Communications Advisory Group where she received the best practice award for her performance.

At LOT Polish Airlines she was responsible for comprehensive activities in the area of corporate and crisis communication. She was a member of the company’s crisis team and the author of the Crisis Communication Manual. At MSL Renata is part of the crisis management board for Emirates Airline and provides strategic advisory for the Polish market.

Renata has managed multiple projects for pharmaceutical, transport and logistics sectors.

Traveling is her passion. She loves Southeast Asia and India, which she has already visited several dozen times.

Elżbieta Ochocka

Chief Financial Officer MSL

Elżbieta has many years of professional experience in the areas of finance, controlling, accounting and management. She has been associated with the Publicis Group for 25 years. In the years 2010-2015 she supervised the finances of the CEE region, she was a board member of many companies belonging to the Publicis Group. In recent years, she has participated in the transformation of enterprises in Poland.

Privately, she loves long bike trips, playing bridge. She likes to cook, sew and read.


Sebastian Stępak

Chief Executive Officer

Sebastian has more than 15 years of experience in communications. Ever present in the agency, he managed Publicis Consultants in 2013 and returned to MSLGROUP in 2015 to assume the position of Managing Director and Head of Consumer Practice.

Sebastian has one of the most interesting approaches towards PR in Poland’s entire industry. He has a vast knowledge on how communications activities are reflected in business results. Sebastian has also been a judge at the industry’s biggest contests – Cannes Lions, SABRE, Young Creatives. 

Privately, he is a passionate Saab enthusiast, often renovating them himself. 

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