Entrepreneurs
Pierre Sironval: Mastermind behind BESIX’s International Success

Pierre Sironval is the global Chief Executive Officer of BESIX Group. Officially appointed to this key role in January 2023, Pierre is rewriting the rulebook on what it means to lead a multinational construction company. With over 25 years at BESIX and an impressive portfolio of landmark projects, his journey is a testament to vision, perseverance, and strategic brilliance.
Pierre has always maintained that he practices collaborative, sustainable, and technologically innovative leadership as it has enabled him to expand BESIX’s influence across the continents. Under his guidance, the group has taken solid grounds as a global powerhouse, seamlessly integrating cutting-edge engineering combined with architectural ingenuity to deliver a long-lasting footprint.
BESIX Group, since 1909, has been synonymous with excellence in the construction sector. The company operates in Europe, the Middle East, and Australia with many iconic projects. Pierre’s career has further bolstered the BESIX position globally by centralizing its strategic priorities and by creating a culture of innovation and inclusivity. Pierre joined BESIX in 1995, immediately after finishing his Master’s in Civil Engineering and Architecture at KU Leuven in Belgium. Having the technical basis with a keen interest in transformative projects, he progressed rapidly through the company ranks. He initially concentrated on the Middle East region and led the expansion of regional subsidiary Six Construct for BESIX.
In the Middle East, Pierre was instrumental in delivering some of the region’s most ambitious projects. Among them was the Aspire Tower, also known as the Torch Tower, in Doha. This 300-meter-high skyscraper immediately became an icon, testifying to BESIX’s capacity to marry innovative engineering with aesthetic elegance. His leadership in this region boosted BESIX’s presence and set the ground for its expansion into new markets.
Pierre’s journey within BESIX has been marked by a series of leadership roles that highlight his adaptability and strategic insight. Before becoming CEO, he served as Deputy CEO, in which he leveraged his extensive operational experience to refine BESIX’s execution of key priorities. His role on the BESIX Watpac Board since 2019 further illustrates his deep commitment to fostering global collaboration within the organization.
As CEO, Pierre takes care of BESIX Europe, BESIX International, BESIX Middle East, and BESIX Watpac. His biggest objective is to enable these to work together while, at the same time responding to the specific needs in each market. His good command of English, French, and Dutch has been a godsend for ensuring effective communication across teams in all parts of the world in BESIX.
Pierre Sironval does not lead by the number of projects completed; instead, he leads by change, which he drives within the construction industry. He believes in sustainability and technological advancement and promotes practices that reduce environmental impact while enhancing efficiency. BESIX’s investments in renewable energy, smart construction techniques, and eco-friendly materials are a reflection of his commitment to building a greener future.
Under Pierre’s stewardship, BESIX has also emphasized the importance of collaboration as a core driver of success. With alignment of the stakeholders, innovation, and customer-centricity, the group has continued to deliver projects that leave a mark beyond expectations, whether it is building some of the most state-of-the-art infrastructure or shaping a sustainable urban development. Pierre’s legacy transcends the projects he has spearheaded but includes the culture he has built at BESIX. His focus on teamwork, inclusivity, and professional growth has inspired a new wave of engineers and architects. His leadership in navigating the complexities of a resource-scarce environment and climate change will find a way through these challenges in delivering exceptional value to his clients and communities.
With a career that spans continents and a portfolio of iconic achievements, Pierre Sironval personifies the qualities of a true leader. His story of determination, innovation, and impact transforms the journey of a budding engineer into the CEO of one of the world’s leading construction firms. As BESIX Group continues to expand its horizons, Pierre’s vision will undoubtedly shape the future of construction, leaving an inheritance of excellence for generations.