Alex is Managing Partner at Patelis Macro, an independent global macro research and advisory firm delivering strategic insights on macroeconomics, geopolitics and financial markets. He founded Patelis Macro in 2010, operating the firm through 2019, and is now relaunching it to a limited number of clients following his tenure in public service.

From 2019 to 2024, Alex served as Chief Economic Adviser to Prime Minister Kyriakos Mitsotakis, helping Greece regain investment-grade status, strengthen its banking system, and attract foreign capital. He is also the author of The Great Comeback: The Road to Greece's Credibility (Η Μεγάλη Επιστροφή: Ο Δρόμος για την Αξιοπιστία της Ελλάδας), published by Papadopoulos Publishing in 2025.

Alex started his career on the US economics research team at Goldman Sachs & Co. in New York, where he worked under Bill Dudley (later FOMC Vice Chair), as well as a proprietary FICC trader in the same firm. In London, he joined Citigroup Asset Management as a quantitative economist. At Merrill Lynch, he held positions including Global Head of FX & Debt Strategy, and Managing Director of Global Research, Head of International Economics. In this capacity, Alex led the research teams responsible for the firm's outlook on all economies outside North America, across both developed and emerging markets in EMEA, the Pacific Rim region and Latin America, as well as foreign exchange, local currency and external debt markets. For their research, Alex and his teams received a number of awards, including from Extel and Institutional Investor. He was also Chief Economist at PSQR, a global discretionary macro hedge fund.

Alex earned a Ph.D. in Economics in 1997 from Princeton University, USA, where his thesis advisor was Professor Ben Bernanke (Nobel Laureate in Economic Sciences and later Chair, U.S. Federal Reserve). Titled Asset Returns and Monetary Policy, part of his thesis was published in the Journal of Finance. He received a Bachelor of Arts degree in Economics and Mathematics from the University of Sussex, UK.