Macquarie Capital Appoints Guillermo Trenas as Managing Director in Spain

On July 1, 2025, Macquarie Capital, the advisory, capital markets, and principal investment arm of Macquarie Group, announced the appointment of Guillermo Trenas as Managing Director in Spain. This strategic move aims to strengthen Macquarie's presence in the Spanish market and enhance its advisory and capital solutions services.

Guillermo Trenas brings nearly two decades of extensive experience in mergers and acquisitions (M&A), equity capital markets (ECM), and capital restructuring. His previous role was at Lazard, where he progressed from Senior Associate to Managing Director, focusing on generating and selecting deal flow within the Madrid office. Prior to Lazard, Mr. Trenas began his career as a global banking analyst at Deutsche Bank in London. His deep expertise spans multiple sectors including infrastructure, industrials, technology, telecommunications, and consumer goods.

In his new capacity, Mr. Trenas will lead the Spanish advisory and capital solutions business, directly reporting to Rainer Langel, Head of EMEA at Macquarie Capital. Langel expressed confidence in Trenas's ability to expand the firm's footprint in Spain, stating, "Guillermo’s leadership will expand our footprint in Spain and further elevate our specialist expertise in Europe. His extensive experience and profound understanding of the Spanish market will unlock valuable opportunities for us and our clients in this region."

Mr. Trenas himself commented on his new role, highlighting Macquarie Capital's strong European presence in advisory and investing: “I am excited to join the team, building on the business’ current capabilities to further support clients across sectors ranging from infrastructure and energy transition through to industrials and technology.”

Macquarie Capital is known for advising clients on strategic and financial issues, including M&A, divestments, debt and equity financing, capital management, and restructuring. The company has been active in Spain since 2004, establishing its Madrid office in 2010. Notably, Macquarie has invested in significant projects such as Onivia, Spain’s largest independent wholesale fiber platform, which is enhancing the delivery of ultrafast broadband across the country.

The appointment of Mr. Trenas signifies Macquarie's commitment to strengthening its advisory capabilities and expanding its market presence amid the growing demand for financial services in Spain. As the Spanish economy continues to recover and evolve, the expertise and leadership of executives like Mr. Trenas will be pivotal in navigating the complex landscape of investment and advisory services in the region.

In conclusion, Macquarie Capital's strategic appointment of Guillermo Trenas as Managing Director may not only bolster its operations in Spain but also reflect broader trends in the financial services sector, where experienced leaders are increasingly sought after to guide firms through rapid changes in the market. With ongoing investments and an expanding portfolio, Macquarie Capital is well-positioned to capitalize on emerging opportunities in Spain’s economic landscape.