Alexander Brennan

Non-Executive Chairman

Alexander Brennan is an experienced business leader, adviser, and investor with two decades of expertise in driving growth for businesses in the UK and internationally. He was appointed Non-Executive Chairman of Altitude Group PLC in March 2025, bringing extensive experience in leadership, corporate governance, and strategic expansion.

Alexander is the Founder and CEO of Brennan & Partners, a UK-headquartered consultancy specialising in business development advisory services for both domestic and international clients. He also serves as Interim Chairman of Big Technologies PLC and is a Board Director at Proyectos ONDDI S.A. Previously, he was an Executive Director at Symphony Environmental Technologies PLC.

His career spans leadership roles across multiple industries, including technology, infrastructure, and corporate advisory. Before establishing Brennan & Partners in 2016, he was CEO of GoldenPeaks Capital Latin America, a global infrastructure investment firm. He also spent five years at De La Rue PLC, focusing on B2G and B2B sales across Europe and the Americas. Alexander began his career as a corporate and M&A lawyer at Slaughter and May.

Alexander holds a Master’s degree in History and a Law degree. He is multilingual, speaking English, Spanish, French, and Italian.