Leidar appoints new head of its Brussels office

Leidar has today announced the appointment of Mariano Guillen as the new Head of its Brussels operations.
Leidar, a global communication consultancy, has offices in the key centres across the world, including Geneva, London, Brussels, New York, Washington DC, Dubai and Singapore. Mariano will lead the firm’s work in Brussels, focusing on strengthening Leidar’s capabilities and services in government affairs and communications.
Rolf Olsen, CEO and founder of Leidar, said, “Mariano will be a significant catalyst for boosting our ability to design and execute communications strategies that drive real impact in the EU. Mariano’s deep understanding of the Brussels ecosystem underscores Leidar’s dedication to helping clients navigate intricate communication challenges across the globe. We are strengthening our position in Brussels, helping clients to navigate the issues and communicate effectively within and across the EU.”
Mariano will be a significant catalyst for boosting our ability to design and execute communications strategies that drive real impact in the EU. Mariano’s deep understanding of the Brussels ecosystem underscores Leidar’s dedication to helping clients navigate intricate communication challenges across the globe. We are strengthening our position in Brussels, helping clients to navigate the issues and communicate effectively within and across the EU.
Rolf Olsen
Mariano brings over eight years of experience in public policy and EU public affairs. During his time in Brussels, he has lead numerous projects and multidisciplinary teams in the design and implementation of public affairs strategies and advocacy campaigns, delivering results for top global and European organisations, trade associations and non-profits.
Mariano said, “I am thrilled to join Leidar at this crucial moment, marking the beginning of a new political and legislative cycle in the EU. I am particularly excited to join forces with an incredibly talented team of senior professionals and to sync Leidar’s global expertise in strategic communications with the pulse of the EU Bubble.”
I am thrilled to join Leidar at this crucial moment, marking the beginning of a new political and legislative cycle in the EU. I am particularly excited to join forces with an incredibly talented team of senior professionals and to sync Leidar’s global expertise in strategic communications with the pulse of the EU Bubble.
Mariano Guillen
Mariano has built strong expertise in the energy and technology sectors allowing him to engage and partner with policymakers from EU institutions and colleagues from industry and civil society in Brussels and EU capitals. Mariano has a background in law, business management and international trade. He worked in the US and Spain before moving to focus EU affairs in Brussels, where he’s worked on landmark legislation such as the Clean Energy Package, the Digital Services Act and the AI Act.
Leidar’s comprehensive services encompass strategic advice and integrated delivery, bringing together experts with diverse competencies to work collaboratively across a wide range of sectors.
About Leidar
Leidar is a global communication consultancy that helps clients set their course, navigate and communicate effectively. This is Leadership Navigation.
For more information, please contact
Lukasz Bochenek
Managing Director / Deputy CEO, based in Geneva
Lukasz is Managing Director for Switzerland, Belgium and UK offices as well as deputy CEO for Leidar. He oversees key international client projects and relationships. In addition, he manages external partnerships and memberships of Leidar.