The Supervisory Board of Institute IGH, d.d., at its meeting held on October 30, 2025, appointed Igor Džajić as the fourth member of the Institute IGH Management Board.
The appointment of Mr. Džajić follows recent changes in the leadership of Institutr IGH, which began in September 2025 with the appointment of a new three-member Management Board tasked with leading the restructuring and business transformation processes.
The previous three-member Management Board consisted of Mariyan Tkach (President), a recognized crisis management expert and representative of the ownership structure, along with Bariša Pavičić (specialist in restructuring and legal affairs) and Gerhard Sattler (expert in finance and transformation processes) as members.
With the decision of the Supervisory Board, Mr. Džajić is returning to the Management Board of Institute IGH, where he previously successfully served in the same capacity. His thorough knowledge of the Company's business operations, market opportunities, and organizational processes, coupled with extensive technical and leadership experience, represents significant value in achieving strategic goals and further development.
With the arrival of Mr. Džajić, the Management Board is now complete with an expert who has long-standing experience within the construction sector and IGH itself, which was announced as crucial for the upcoming transformation.
Mariyan Tkach, President of the Management Board of Institute IGH, stated:
"It is a great pleasure to welcome Igor Džajić back to the Management Board. His leadership experience and outstanding technical expertise are key to achieving our ambitious growth targets and strengthening IGH’s market position in the region. With experts in crisis management, finance, and law, we now also have an in-depth understanding of operational processes for stability, competitiveness, and long-term development."
Mr. Igor Džajić graduated with a master’s degree from the Faculty of Civil Engineering at the University of Zagreb. Throughout his rich career, he has developed into a recognized expert in bridge design, prestressed concrete structures, ultra-high-performance concrete, and structural testing.
He joined Institute IGH in 2004, where over nearly two decades he held a number of responsible positions, including Head of materials and structures division, Head of design division, and Technical Director. During this period, he made an exceptional contribution to the development of Institute IGH and the successful realization of numerous demanding projects both domestically and internationally.
In addition to his professional engagement, Mr. Džajić actively contributes to the professional and scientific community as the author of numerous technical articles and publications.
With the appointment of Mr. Džajić, Institute IGH further solidifies its management team and confirms its strategic orientation towards excellence, innovation, and sustainable development.
Following the resignations of former Management Board President Robert Petrosian and Board Members Tatjana Bičanić and Marija Đuroković, the Supervisory Board of the IGH Institute has appointed a new Management Board tasked with leading the company through a critical restructuring process.
The new President of the Management Board, Mr. Mariyan Tkach, assumed office on 17 September 2025. Mr. Tkach is a representative of the ownership structure and a recognized expert in crisis management. Since 2020, he has served as Deputy Chairman of the IGH Supervisory Board.
As of 23 September 2025, Mr. Gerhard Sattler and Mr. Bariša Pavičić joined the Management Board as new members.
These leadership changes come at a time when the company is facing significant challenges that demand decisive action, fresh energy, and a thorough transformation of its operations, including process optimization and the establishment of a sustainable growth model.
The newly appointed Board Members bring specialized expertise essential for the transformation ahead, with a particular focus on experience in the construction sector:
The new Management Board recognizes the need for swift, yet thoughtful changes aimed at ensuring the company’s stability, competitiveness, and long-term development.
Soon, another experienced professional with an extensive background in the construction industry—including a significant tenure at the IGH Institute—will join the Management Board.
The new leadership sees the upcoming transformation as an opportunity to lay the foundation for a stronger, more agile, and successful organization and is confident in the positive outcome of the process.
The Supervisory Board of Institut IGH, a leading civil engineering institute in Central and Southeast Europe, has officially appointed Mariyan Tkach as the new Chief Executive Officer.
Mariyan Tkach has served as Deputy Chairman of the Supervisory Board since 2020, playing a key role in strategic oversight and decision-making during a period marked by significant challenges and transformation. In his new role, he will continue to work closely with the Management and Supervisory Boards to implement the Institute’s long-term development plan, Strategy 2020-2030.
Mariyan Tkach is a seasoned entrepreneur and angel investor with a strong background in business development and corporate management. He earned his degree from Webster University in Geneva and has since built a robust foundation in business and entrepreneurship. Over the years, he has actively contributed to numerous startups and ventures across various industries, consistently demonstrating a commitment to innovation and sustainable growth.
At the same session, the Supervisory Board accepted the resignation of the outgoing CEO, Robert Petrosian, effective as of September 17, 2025.
