Management team

Daniel Szcześniewski – President of the Management Board

For nearly fifteen years, he has been active in the areas of marketing and sales in the ICT, data center and telecommunications sectors. In the implemented projects, he was responsible for the go-to-market activities, including: product strategy, building sales channels, reaching new markets, increasing sales and building customer value.

In March 2019, he has been appointed President of the Management Board, after holding the position of Chief Marketing Officer at Atman for two years.

As CMO he strengthened Atman’s position as an integrated provider of IT services developed around colocation, hosting and cloud. Previously, he was responsible for marketing and management of the corporate segment, large enterprises and the SME sector at T-Mobile Polska. Until 2014, he contributed to the success of GTS Central Europe and participated in the processes of its integration with T-Mobile. He is a graduate of the Faculty of Management at the Warsaw School of Economics and the Faculty of Electronics and Information Technology at the Warsaw University of Technology.

Radosław Potera – Member of the Management Board

He has gained experience throughout his 20-year career, especially in the implementation of large investments related to the construction of telecommunication infrastructure and in the planning and operation of both mobile and stationary telecommunication networks. He has managed areas of investment, operations, and research and development in domestic and international organizations.

He has developed strategic and financial plans for shareholders and banks, created start-ups and acquired practical knowledge about mergers and acquisitions as well as change management. His negotiation skills have helped him cooperate with clients, suppliers, local administration and government agencies. He is a graduate of The Telecoms Academy in London and has a Master’s degree in Telecommunication Engineering from the Poznań University of Technology.

Wojciech Sadowski – Member of the Management Board

For over 15 years he has been gaining professional experience working for technological and telecommunication companies as well as for services providers. He also worked in the banking sector (structured finance) and cooperated with investment funds. As a Financial Director he was responsible for controlling, reporting, liquidity management, financing and administration. He also gained practical knowledge in the M&A area, implementing projects in Central and Eastern Europe.

Wojciech Sadowski is a graduate of Frankfurt School of Finance and Management (EMBA) and Warsaw School of Economics (finance and banking). He obtained ACMA, CGMA international qualifications issued by CIMA (Chartered Institute of Management Accountants).

Key teams

Data center infrastructure and service

Dozens of data center engineers – who know how to locate your data best – monitor environmental conditions and ensure infrastructure security in our data centers. The vast knowledge and experience of engineers in this area is our foundation.

Network maintenance and development

Nearly 50 people are responsible for maintaining and developing our network. This team consists of over a dozen operators supervising the operation of our network, who work 24/7 and 365 days a week, ensuring uninterrupted network operation and access to data, several engineers managing network development and over 20 people planning and implementing your telecommunications services.


XaaS – i.e. Everything as a Service – is a team of over a dozen engineers who care about the stability and development of the dedicated servers farm and our cloud services platform, as well as other technologically advanced services such as BaaS, StaaS, etc. It is here that the product – invented and described by the marketing – is shaped technologically and configured.

Planning and implementation

Project managers, service implementation specialists, optimization experts – a team of ca. 30 people working for the success of each project execution. Their work lasts from the moment of submitting an offer tailored to your needs and technical conditions, through the process of launching the service, to ensuring that it is provided on time and in accordance with the contract and your requirements.

Back office

Almost 60 other people – whom you (as a client) do not contact directly, but who are important for the smooth running of the company – also work for our joint success. These include, among others such departments as procurement, internal systems, legal, human resources, financial and administration. Together with the front office teams, they contribute to the fact that you have uninterrupted access to your data.


Several dozen of the best solution architects on the market who care for the development of your business every day. You will find here your account manager who is your partner and will help you find the best solution for your company.

Customer Service

A multiperson team takes care of your current requests or inquiries. We are constantly improving the quality in this area, implementing new technologies and solutions, so that each of your queries can be solved even faster and more effectively.

Marketing and products

The center of management of the value proposal that is addressed at our clients. This is where new Atman services and products are being created, and the current ones are evolving to reach perfection. A team of over a dozen specialists in products, market and communication.

Meet some of our employees

Regardless of the place in the structure of our organization, we create a harmonious team of people oriented to create a safe place for your data and applications.
Here are the latest winners of the Atman LEADER award.

Arkadiusz Krześlak
Data Center Maintenance Manager
He gives larger-than-average care of employees. He generates unique ideas to improve the functioning of the organization combining an innovative approach as well as fast and effective operation.
Bartosz Maślakiewicz
Network Management Manager
He extraordinarily involves in helping the customer and the salesman. He finds answers and creates solutions, even in the case of unusual customer needs, but essentially, he supports sales departments with his vast knowledge, impressive professionalism, specific innovative and flexible approach as well as quick and effective action.
Marcin Lewaszkiewicz
Data Center air conditioning Specjalist
He shows more than average responsibility for the entrusted area. Moreover, he is constantly aspiring for excellence in the management of DC air conditioning systems. He works proactively, showing an attitude focused on finding solutions. Always effectively finds and implements solutions generating savings with unchanging SLA for clients.