Charalambos is a Director at PYRGOU VAKIS LLC with over 20 years of experience. He founded and managed Prountzos & Prountzos LLC in 2010. From 2019 to 2023, he led the legal services of a Big4 firm for the Central, Eastern Europe, Southeastern Europe, and Central Asia Region, overseeing teams in 32 countries with more than 500 members. In 2025, he joined PYRGOU VAKIS LLC as a Partner and Director.
Charalambos has extensive experience in legal matters concerning regulated markets. He has handled significant cases in competition law, mergers and acquisitions, and personal data protection. His expertise includes legislative and regulatory matters related to energy—both renewables and natural gas. He has consulted on numerous large infrastructure projects and is recognized as a leading figure in renewable energy and waste management initiatives. Additionally, he has successfully managed landmark constitutional, employment, and public procurement cases.
Charalambos is a member of Gray’s Inn and the Cyprus Bar Association. He is a licensed insolvency practitioner and has participated in the Cyprus Bar Association’s Committee for Corporate and Tax Matters. He has also contributed to bilateral business initiatives, such as the Cyprus–Canada Business Association. From 2011 to 2018, he served as a member and Vice Chairman for Administration and Finance on the Governing Committee of the Open University of Cyprus. In 2018, he was elected the first Chairman of the Open University of Cyprus Council, one of the three public universities of the Republic of Cyprus.
He has also served on the Board of CYENS, a Research and Innovation Centre of Excellence. CYENS is a joint venture between the three public universities of the Republic of Cyprus, the Max Planck Institute of Germany, University College London (UCL), and the Municipality of Nicosia.
In June 2024, Charalambos was elected Mayor of Nicosia.