SigmaCEM Founder, entrepreneur and innovator. Experienced in developing complex business solution for retail. Worked many years in international companies at managerial positions.
A team that makes a difference.

Piotr Brewiński

Krzysztof Romanowski
Responsible for data management and stability of IT systems. Makes sure that they are friendly and useful for companies. Ensures comfort of work for every user, taking into account individual expectations and needs.

Slawomir Uherek
Multichannel retail native with over two decades of experience in C-level positions with Media Markt, Sephora, Leroy Merlin, Shell, specializing in operations, marketing and services.

Friedrich Frank
International experienced C-level, professional skilled in Procurement, Marketing, Cat. Man., Sourcing, E-commerce, and Supply Chain. Proven cross cultural, project- and change management skills.