Language Options

English Poland

Trebbi Polska Leadership Team

  • Bush Projects

    Arkadiusz Osinski


    Arkadiusz started his professional career with a leading developer operating on the Polish market - Echo Investment. Later, he focused on working in the General Contracting, where he was entrusted with the function of project manager after occupying
    every level, from the site supervisor to the construction manager.

    The experience gained in the development company and contractors allowed him to take managerial positions in consulting companies, which resulted in the opening, together with business partners, of his own business under the name Trebbi Polska Sp. z o.o.

    Arek, as a member of SIDiR and Court Experts, advises and prepares various opinions in the field of construction, doing it not only for private clients, but also for orders from common courts.

    Privately, husband and father of three children. Enthusiast of sailing and tennis.

  • Bush Projects

    Mariusz Witkun


    In the first years of his professional career, Mariusz worked for one of the leading Polish General Contractors, where he proved his skills not only as a capable Civil Engineer but also someone who could coordinate and organize significant projects right from inception, through design, procurement and execution stage, until successful delivery and occupancy.

    His first project, worth over USD 100 million (year 2000), turned out to be an exceptional commercial as well as technical success. Being passionate and focused on his work and wanting ensure proper standards and timing on all projects, Mariusz now focuses on Project Management and Construction Management.

    Mariusz worked on major projects, including one of the first and biggest modern A standard office buildings in Poland, a number of sports stadiums, and significant commercial schemes. He is intensely focused on the art of management and organization, and has a strong track record of successfully leading projects through both Project Management and Construction Management roles. In his work he continues to use his Building License, taking the role of a Senior PM or Supervision Inspector on the special request of his Clients.

    After work, Mariusz devotes his time to Zosia and Antek, and he describes himself as a fan of his wife and children :). If time permits, he becomes an avid player of The Witcher.

  • Bush Projects

    Chris Lowe


    After learning the skills of Project Management in the USA, Chris established the first PM company to be registered in the UK in 1985. Chris has remained an uncompromising and passionate believer in providing high standards of customer focused service and performance in all areas. His experience has included some of the most exciting and innovative projects in the UK and overseas, including a number of significant projects in Poland.

    Chris continues to be closely involved in major projects, ensuring standards are maintained and value for money improved. His experience spans more than 30 years, working with many leading multi-national organisations and institutions, and he is directly involved in major developments worldwide.

Team - Trebbi Polska - Inspiring Built Environments