Lefteris Tsoulfidis holds a Ph.D. and an M.A. in economics from the New School of Social Research, New York and a B.A. in Economics from the University of Macedonia, Thessaloniki.

He worked for many years in universities in New York including Hofstra University and College of New Rochelle before joining the Department of Economics of the University of Macedonia in Thessaloniki,

where he teaches courses in the History of Economic Thought, Economic History, Political Economy, Mathematical Economics and Macroeconomics. 

He is the author of Competing Schools of Economic Thought (2010) and co-author of Political Economics and Modern Capitalism: Theory of value, Competition, Trade and Long Cycles (2019); the Modern Classical Economics and Reality, all published by Springer-Verlag. He has also published books on the Economic History of Greece (2016) and the History of Economic Thought and Policy (2018) both published in Greek. He is the co-editor of the international journal Bulletin of Political Economy and the Director of the Laboratory of the Economic and Social Research of the Department of Economics in the University of Macedonia.

His research has been published in many scientific journals on theoretical and empirical issues related to actual competition, theory of value and distribution, international economics, energy economics, long economic cycles and economic growth. He has also written a number of articles published in international encyclopedias and chapters in books published by major international publishers. 

He has been invited lecturer and keynote speaker in many Universities and has number of interviews on national Greek TV and Radio stations. He also has written short articles on current economic and financial issues of general interest that appeared in major newspapers and sites.