Our experts are the real strength of IGH
All members of IGH's management are also first-rate experts in their respective areas and recognizable on the national and international markets for their personal references
Supervisory Board
Management Board
Žarko Dešković
Chairman of the Supervisory Board
Mariyan Tkach
Deputy Chairman of the Supervisory Board
Sergej S. Gladeljkin
Member of the Supervisory Board
Igor Tkach
Member of the Supervisory Board
Marin Božić
Member of the Supervisory Board
Robert Petrosian
Chairman of the Management Board
Robert Petrosian is Chairman of the Board of Institut IGH d.d. , the European leading infrastructure company delivering professional services across the project lifecycle – from planning, design and engineering to consulting and construction management.

Prior to joining Institut IGH, d.d. in 2013, Mr. Petrosian served as CEO, Deputy CEO, Chief Design Engineer, Project Manager, Technical office Engineer, Site engineer in international companies in different countries. From 2016 served as Director of IGH Branch in Russia and on the same position in Georgian Branch from 2017.

It is worthy to say that Mr. Petrosian was involved and managed projects in the fields of construction, design and supervision: railroads, runways, hospitals and international medical centers, power supply and substations, NPP, industrial plants and warehouses, infrastructure.

Institut IGH, d.d. and partners, with their clients in the State and private sectors solve complicated challenges, creating a legacy for next generations and aiming to deliver a better world.
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Miroslav Pauzar
Member of the Management Board
He built his long career at Institut IGH, d.d. , starting as a designer, project manager, and then chief supervising engineer on different projects in Slavonia, in all economic sectors (civil engineering, building construction, water engineering, energetics etc.). He has been the Head of Regional Centre IGH Osijek since 2013. Now he is obtaining the position as a member of the Management Board. He graduated from the Faculty of Civil Engineering Sciences, University of Zagreb, is a holder of PMP Certificate, member of numerous professional associations and arbitrator of the Arbitration Court of the Croatian Chamber of Civil Engineering. He has also co-authored several professional papers.
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Igor Džajić
Member of the Management Board
Expert in the design of bridges, prestressed structures, concrete of ultra-high performance features and structure testing. During his rich and successful career as a contractor and designer, he has held numerous responsible positions and participated in demanding projects. Has been working for Institut IGH, d.d. since 2004. Long-standing Head of Laboratories and the Design Department, as well as holding the position of Technical Director, he is currently obtaining the position as a member of the Management Board. Graduated from the Faculty of Civil Engineering at the University of Zagreb and obtained the title of Master of Science, authored many scholarly articles and publications.
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Hrvoje Sironić
Head of Regional Centre Rijeka
Employed with Institut IGH, d.d. since 2003, he performed duties as the Deputy Head of Laboratory of Regional Centre Rijeka, a technologist for concrete structures, Assistant Head of Materials and Structures Department and Head of Laboratory for Materials and Structures at Regional Centre Rijeka. His speciality is concrete production and placement technology, condition determination and development of solutions for the rehabilitation of concrete structures. Currently Acting Head of Regional Centre Rijeka.
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Mario Ille
Head of the Design department
MEng CE, Ph.D.
He started his career in Institute IGH, d.d. in 2002 designing repairs of engineering structures and working as an associate/specialist/designer. Since 2009, he is head of a structural repair and building management team, dealing in research, repair design and supervision during structure repair. In his work, he deals intensely with issues in the durability of reinforced concrete structures, which was the topic of his Ph.D. dissertation in 2009. He authored several scientific and professional papers both in Croatia and abroad. Since 2018, he is the head of the Structure design department of Institute IGH which combines the design of new and existing constructions, and he is currently Head of the design department. He is also a certified court expert for civil engineering and real estate appraisal and is a member of the Croatian Chamber of civil engineers.
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Marija Đuroković
Head of materials and structures Division
MSc. ChemE, Ph.D.
Marija Đuroković has years of professional experience in production, quality control, cement certification and other construction products. She graduated in Chemistry in 1997 from the Faculty of Science, University of Zagreb. She started working in the Našicecement d.d. company that same year, where she remained until 2011 as Head of QC and QM and Head of Technology Centre. She has been an employee at the Institut IGH, Zagreb, since 2011 as Head of Laboratory for Binders and Ecology. Ms Đuroković defended her doctoral thesis "Chemical resistance of cement pastes to the action of deionized water " in 2019 at the Faculty of Science, University of Zagreb. She started her scientific activities in Našicecement. Her particular field of interest was applying science in the development of new products with modified properties and reduced environmental impact. She publishes in scientific journals and is a long-standing Chairwoman of the Technical Committee 74 for Cement and Lime at the Croatian Standards Institut. Since 2021, Ms Đuroković also chairs the Scientific and Research Council of the Institut IGH d.d.
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