Menu
President of the Management Board, BOSQAR d.d.
Darko Horvat brings over a decade of leadership experience in auditing, consulting, and tax advisory, with a strong focus on risk management, financial planning, and strategic execution.
He earned his MBA from the University of Zagreb and pursued advanced executive education at Harvard University, solidifying his expertise in global business practices. During his tenure at Deloitte, both in Croatia and the USA, Mr. Horvat managed high-stakes projects for top-tier clients, specializing in risk assessment and software development for financial services.
Since joining BOSQAR, he has held pivotal roles, including Member of the Management Board at BOSQAR d.d. and M Plus Croatia d.o.o., where he played a key role in expanding the companies’ footprint across multiple markets.
As President of the Management Board at BOSQAR d.d., Mr. Horvat is responsible for driving the company's strategic vision and operational excellence.
Member of the Management Board, BOSQAR d.d.
Group CEO, Mplus
Tomislav Glavaš has an extensive background in macroeconomics and project management. He began his career at Deloitte, where he quickly advanced to lead diverse projects within the banking and manufacturing sectors.
He later joined Hrvatski Telekom, enhancing his expertise in corporate reporting, project management, and strategic planning for the entire HT Group. Since joining BOSQAR INVEST in 2017, Mr. Glavaš has held several critical roles, including Director of Group Controlling and Executive Operational Director, where he focused on driving operational efficiency and spearheading growth initiatives.
His leadership as Group CEO at the Mplus BPTO vertical of BOSQAR INVEST has been marked by a commitment to innovation and a strategic approach to market expansion. Mr. Glavaš is currently pursuing a doctorate in Geopolitics, reflecting his ongoing dedication to academic and professional development.
Member of the Management Board, BOSQAR d.d.
Chief Financial Officer, BOSQAR INVEST
Board Member, Mplus Group
Director, Workplace Group
Vanja Vlak is a seasoned financial executive with deep expertise in auditing, transaction advisory, and corporate finance. He brings over two decades of experience in senior leadership roles across professional services, private equity, and corporate environments.
Before joining BOSQAR INVEST, Vanja spent 18 years at Deloitte, where he rose to the position of Partner. During his tenure, he focused on Audit and Assurance for some of Croatia's most prominent financial institutions and corporations, including Zagrebačka banka, OTP Banka, HPB, M San Group, and Žito Group. He also specialised in Financial Advisory Services, with a focus on transaction support and deal structuring.
Following Deloitte, he served as an advisor at BDO Croatia, where he was responsible for business development and improving the quality of Audit and Assurance services. At Prosperus Invest, as an Investment Director, he played a key role in several successful acquisitions for the Prosperus Growth Fund and held board positions in multiple Croatian IT companies.
Today, Vanja serves as a Member of the Management Board of BOSQAR d.d. and as Chief Financial Officer of BOSQAR INVEST. He also holds directorships across multiple companies within the BOSQAR INVEST group, including board membership of Mplus Group (BPTO vertical), where he acts as Group CFO, and directorship of Workplace Group (HR vertical).
As the Group CFO, Vanja is responsible for overseeing the financial strategy and operations across all business verticals within the group. This includes leading financial planning and analysis, capital allocation, and initiatives focused on long-term value creation.
In his dual role as Group CFO and Board Member of BOSQAR INVEST's holding company, he not only safeguards the group's financial integrity and performance but also plays a central role in shaping corporate strategy, governance, and transformation - ensuring that financial insight drives decision-making at the highest level.
He has played a crucial role in several major transactions as a key member of the M&A team, including the acquisitions of Manpower entities, Panvita Group, and Mlinar Group.
Chairman of the Advisory Board, Mplus
Member of the Advisory Board, Workplace
Luka Orešković is a business leader and academic, currently serving as Chairman of the Advisory Board of Mplus, Member of the Advisory Board at Workplace, and Partner at Prosperus Invest, a leading private equity firm in the Adria region.
Mr. Orešković began his academic career early, lecturing at Harvard University’s Center for European Studies at the age of 23. He has provided strategic consulting to multiple governments, including those of Poland, Slovenia, and Croatia, and has authored columns for globally recognized publications such as The Financial Times and The Economist.
His expertise at BOSQAR INVEST is characterized by a deep understanding of regional markets and a strategic approach to investment and growth.
Deputy President of the Supervisory Board, BOSQAR d.d.
Philipp Rösler’s career spans medicine, politics, and international business. A former Vice Chancellor of Germany under Chancellor Angela Merkel, Mr. Rösler has a diverse background that began with a PhD in Cardiac Surgery before he transitioned into politics, where he held numerous high-ranking positions in both state and federal government.
His expertise in international relations and strategic management led him to establish Consessor AG, a consultancy focused on cross-border investments and market development, particularly between Asia and Europe. In addition to his role at BOSQAR d.d., Mr. Rösler served on the boards of several prominent organizations, including Volkswagen Group and Siemens Healthineers.
His work as Honorary Consul of Vietnam in Switzerland underscores his commitment to fostering global business ties. A mentor and strategic advisor, Mr. Rösler is renowned for guiding companies through growth and internationalization phases, emphasizing sustainable development and market expansion.
President of the Audit Committee, BOSQAR d.d.
Boris Borzić is a highly skilled professional with a background in mathematics, statistics, and social sciences, complemented by extensive experience in finance and economics. Over the years, he has developed expertise in financial risk, business planning, risk management, corporate finance, and treasury operations.
Mr. Borzić currently serves as the Director of the Financial Assets Management Department at the Fund for Financing the Decommissioning of the Krško Nuclear Power Plant. His previous roles include Financial Director positions in various institutions, where he consistently applied his academic knowledge and professional experience to manage and optimize financial operations.
Member of the Audit Committee, BOSQAR d.d.
Ante Vrančić is a finance and economics professional with a broad range of expertise in financial management, taxation, and corporate restructuring. With a degree in Economics, Mr. Vrančić has served in key financial leadership roles, including as Director of the Fund for Financing the Decommissioning of the Krško Nuclear Power Plant, where he was responsible for financial planning and oversight.
His career also includes advisory positions on financial and investment matters, particularly in securities and privatization. Mr. Vrančić has contributed to several professional journals and has been a speaker at numerous conferences, sharing his insights on privatization and taxation.
His extensive experience in finance is complemented by ongoing professional development through seminars and conferences.
President of the Supervisory Board, BOSQAR d.d.
President of the Nomination Committee, BOSQAR d.d.
President of the Remuneration Committee, BOSQAR d.d.
With over 15 years of experience in legal and regulatory matters, Tamara Sardelić is a seasoned expert in commercial law, corporate governance, and capital markets. She has been instrumental in major project financings, credit refinancing, and M&A, leveraging her deep understanding of both Croatian and European Union legal frameworks.
She has experience in infrastructure projects, public procurement, and the provision of public services, which included advising governments and foreign states. Ms. Sardelić's career includes high-profile roles such as Chief Legal Expert for projects commissioned or financed by the World Bank and Croatian Waters, where she advised on complex regulatory and compliance issues.
Before establishing her own private practice, Ms. Sardelić served as Director of Corporate Legal Affairs at the EPH Group and practiced law at the Marković & Plišo firm. From 2013 to 2020, she was a member of the Supervisory Board of the Slavonian Closed Alternative Investment Fund (SZAIF).
As a legal expert, she has been actively involved in legislative processes, particularly in harmonizing Croatian regulations with EU directives. Ms. Sardelić holds a law degree from the University of Zagreb, where she also passed the bar exam in 2006.
Her current role as President of the Supervisory Board at BOSQAR d.d. involves overseeing corporate governance and ensuring regulatory compliance across the organization.
Member of the Supervisory Board - Representative of the Workers, BOSQAR d.d.
Member of the Nomination Committee, BOSQAR d.d.
Member of the Remuneration Committee, BOSQAR d.d.
Ana Babić has been part of BOSQAR INVEST’s development over the past decade, contributing to its growth from a nascent business to a leading operator in Southeast Europe.
Her career within the group has spanned multiple roles, including Head of HR, Head of Back Office, and Investor Relations, where she has gained in-depth experience in corporate governance, compliance, and organizational development.
Ms. Babić's work has been instrumental in shaping the internal processes, compliance, and governance frameworks that support the group's continued expansion and operational excellence.
Member of the Supervisory Board, BOSQAR d.d
Gordan Kolak, MSc, is an expert in strategic management and the restructuring of complex business systems, with extensive experience in industry, the ICT sector, and national security. Since 2020, he has served as President of the Management Board at KONČAR Group, where he led the company’s restructuring with a focus on renewable energy and digital solutions. He also holds leading positions on the supervisory boards of several KONČAR Group companies and serves as a member of the Supervisory Board and Chair of the Audit Committee of Studenac Group S.A. in Luxembourg. In parallel, he manages his own consulting firm specializing in ICT strategy, implementation, oversight, and business governance.
Earlier in his career, he held top executive roles at DOK-ING, King ICT, Megatrend, and Dalekovod Proizvodnja. He earned his degree from the Faculty of Engineering at the University of Rijeka and a master’s degree from the Faculty of Mechanical Engineering and Naval Architecture at the University of Zagreb, followed by further training at prominent civilian and military institutions across Europe and the United States.
Mr. Kolak is a veteran of the Croatian War of Independence and participated in the UN peacekeeping mission in Sierra Leone. For five years (2015 – 2020) he served as Secretary of the Homeland Security Council to the President of the Republic of Croatia. He has also been President of the Croatian Association of Business Consultants and a lecturer at the Zagreb School of Economics and Management. He holds several distinguished international certifications, including Certified Management Consultant, European Excellence Assessor (EFQM), and Balanced Scorecard Collaborative Certified Professional.
Member of the Supervisory Board, BOSQAR d.d.
Member of the Audit Committee, BOSQAR d.d.
Member of the Nomination Committee, BOSQAR d.d.
Member of the Remuneration Committee, BOSQAR d.d.
Ulf Gartzke is an accomplished executive and strategic advisor with a deep understanding of global markets and IT security.
As CEO of Brainloop and Managing Partner at Spitzberg Partners, Dr. Gartzke oversees strategic IT security initiatives and supports companies in their expansion efforts across Germany, Europe, North America, and Asia. His prior experience includes directing the Washington office of the Hanns-Seidel-Foundation, where he managed relations between Germany’s CSU party and North American political institutions.
Dr. Gartzke's academic credentials include a PhD from the London School of Economics and extensive studies in political science and international relations at Georgetown University and Sciences Po Paris. He is also an adjunct fellow at the Hudson Institute and a faculty member at Georgetown University’s BMW Center for German and European Studies.
Dr. Gartzke splits his time between New York City and Washington, DC, balancing his professional responsibilities with a commitment to academic and strategic advisory roles.
