development history
Our Leadership Team
At Tubsteel, every project is managed by a focused leadership team with clearly defined areas of responsibility — from engineering and financial control to project execution, administration, procurement, and international development.
Mark Tubis
Owner, CEO & Chief Engineer
Leads the company's professional and engineering direction, bringing decades of experience, technical expertise, and overall responsibility for project quality, execution standards, and engineering excellence.
Vladimir Parfinenko
Co-Founder, Managing Director & Chief Financial Officer
Oversees company management, financial strategy, business control, and long-term development, ensuring that every project is supported by strong operational and financial foundations.
Oleksii Tsyhanenko
Head of Project Execution & Subcontractor Coordination
Supervises the daily execution of work across all active projects, coordinating site teams and subcontractors, monitoring progress on site, and ensuring that project requirements are carried out efficiently and responsibly.
Katerina Nahmias
Head of Office & Administration
Responsible for the overall management of the company's office, administration, internal coordination, and day-to-day organizational processes. Working closely with company management, she ensures that the office operates efficiently and supports the smooth execution of projects and business activities.
Oleksandra Zelenska
Technical Office Engineer, Documentation, Procurement & International Coordination Manager
Manages technical documentation, office procedures, procurement coordination, and communication with international partners and suppliers. Ensures that materials, paperwork, external correspondence, and internal processes are handled accurately, efficiently, and on time.
Stanislav Shoikhet
International Business Development Manager
Leads international business development, including overseas partnerships, new market opportunities, and strategic cooperation. Supports international negotiations and the company's expansion into foreign markets.