Editorial Advisory Board, Latin American Journal of Central Banking, 2020 -

Editorial Advisory Board, The Open Economics and Management Journal, 2014 -

Advisory Board, Politica Economica (Journal of economic policy: theory, policy options, evaluation), 2014 -

Associate Editor, Journal of Financial Stability, 2018 -

Associate Editor, Annals of Finance. 2004 -

Editorial Advisory Board, The Open Economics Journal, 2008 - 2014

Associate Editor, Economic Theory. 2004 - 2015

Associate Editor, Economic Theory Bulletin. 2012 - 2015

Associate Editor, Ekonomika a Management

Associate Editor, Review of Business and Economics Studies Associate Editor, Greek Economic Review Editorial Board, Game Theory

Editorial Advisory Board, The Journal of Risk Finance

Editorial Advisory Board, Decisions in Economics and Finance Editorial Advisory Board, Pemptousia

Active Member, Association for Banking and Finance

Fellow, Society for the Advancement of Economic Theory, 2025 -

Member of the Program Committee, World Finance Conference, Turin, 2022

Member of the Program Committee, Oxford Financial Intermediation Theory Conference, Oxford, 2020-2024

Co-Organizer, Oxford Saïd Business School – School of Business and Economics at Vrije Universiteit Amsterdam Macro-finance Conference, Money, Liquidity and Financial Stability, Oxford, 2024, 2025, 2026

Co-Organizer, Oxford Saïd Business School – Risk Center at ETH Zürich Macro-finance Conference, Money, Liquidity and Financial Stability, Oxford, 2023

Co-Organizer, Rethinking Economic Theory, University of Pireus, Pireus, 2024

Co-Organizer, Rethinking Economic Theory, University of Pireus and Saïd Business School, University of Oxford, Nafplio, 2023

Co-Organizer, Oxford Saïd Business School – Risk Center at ETH Zürich Macro-finance Conference, Money, Liquidity and Financial Stability, Oxford, 2022

Co-Organizer, Oxford Saïd Business School – Risk Center at ETH Zürich Macro-finance Conference, Money, Liquidity and Financial Stability, Oxford, 2021

Co-Organizer, Oxford NuCamp–Saïd Macro-finance Conference. Money, Credit and Financial Stability, Exeter College, Oxford, 2019

Co-Organizer, The Inaugural Oxford Saïd Macrofinance Workshop: Money Creation, Exeter College, Oxford,

Member of the Program Committee, 4th Conference on Financial Stability, Banco de Mexico and Centre for Latin American Studies (CEMLA), Mexico City, 2021

Member of the Scientific Committee, XXIV SAET, Ischia, 2025

Member of the Scientific Committee, XXIII SAET, Paris, 2024

Member of the Scientific Committee, XIV SAET, Cambridge, 2015

Member of the Scientific Committee, XIII SAET, Paris, 2013

Member of the Scientific Committee, 19th Workshop on General Equilibrium Theory, Krakow, 2010

Member of the Scientific Committee, X SAET, Singapore, 2010

Member of the Scientific Committee, IX SAET, Ischia, 2009

Member of the Scientific Committee, International Conference: New Theory of Economics and Management of Organizations, 2008

Member of the Scientific Committee, VIII SAET, Kos,

Member of the Scientific Committee, VII SAET, Vigo, 2005

Member of the Scientific Committee, VI SAET, Rhodes, 2003

Member of American Economic Association, Econometric Society, European Economic Association, European Finance Association, Society for the Advancement of Economic Theory, Alumni Yale Association, Athens College Alumni Association, Friends of Mt. Athos

Honorary Member of International Consulting Economists' Association (ICEA)

Referee: American Economic Review, Annals of Finance, B.E. Journal of Theoretical Economics, Canadian Journal of Economics, Economic Journal, Economic Theory, European Journal of Political Economy, Games and Economic Behaviour, Journal of Banking and Finance, Journal of Business and Economic Statistics, Journal of Economic Surveys, Journal of Economic Theory, Journal of Financial Regulation, Journal of Financial Stability, Journal of International Financial Markets, Institutions and Money, Journal of Mathematical Economics, Journal of Monetary Economics, I.M.F. Economic review, International Review of Economics and Finance, Open Economies Review, Oxford Economic Papers, Review of Industrial Organization

Economic Advisor, Prime Minister of Greece, Mr. Antonis Samaras, 2010-12

Economic Advisor, Bank of Korea, Financial Stability Report and Europe, 2012-13

Witness, The House of Lords EU Economic and Financial Affairs and International Trade Sub-Committee’s report, The future of economic governance in the EU, 2011

Research Advisor and Foreign Partner. International Laboratory in Financial Economics, International College of Economics and Finance, Higher School of Economics, Moscow, 2011-2022

Member. Research Advisory Board, Central Bank of Russian Federation, 2018-2022

Member. International Expert Council in Economics at the Higher School of Economics (H.S.E.), Russia, 2010-2022

Member. Academic Advisory Board, International College of Economics and Finance, Moscow, 2012-2020

External Advisor. Quantil Matemáticas Aplicadas, 2009 - 2020

Consultant. Bank of Korea, 2011

Academic Visitor, C.E.M.L.A. (Center for Latin American Monetary Studies), 2023

Visitor, Becker Friedman Institute for Economics, University of Chicago, March 2023

Visiting Scholar. I.M.F., 2014

Visiting Scholar. Central Bank of Chile, 2013,

Visiting Scholar. Bulgarian National Bank,

Senior Advisor. Advisory Board. Informatics Data Group, 2008-2009

External Member. Research Committee of the National Bank of Slovakia, 2023-

Member. Bank of England Expert Panel on Systemic Risk, Bank of England, 2006-

Consultant. Norges Bank, Norway, 2005 and

Consultant. Banco de la Republica de Colombia, Colombia,

Visiting Scholar. Universite de Cergy-Pontoise,

Visiting Research Professor, National Research University Higher School of Economics (H.S.E.), Moscow, 2018-2021

Visiting Professor. A.L.B.A., Greece, 2007, 2008 and

Visiting Professor. International College of Economics and Finance (I.C.E.F.) SU-H.S.E., Russia, 2008-

Visiting Professor. Universidad de los Andes, Colombia, 2008, 2009, 2010, 2012 and

Visiting Professor, Charles University, Czech Republic, 2018 - 2019, 2022 - 2026

Associate Fellow. CRETA, Warwick University

Director and Chair. Philanthropic creative non-profit corporation, New York, NY, 2020 - 2022.