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Macroeconomics and Financial Markets

Co-headed by:


Dr John Llewellyn

John co-heads both our Macroeconomics and Financial Markets team, and our Expert witness and litigation support practice areas. He plays a major part in all of our conjunctural and other economic analysis. 

He has a broad experience, having worked in academia, international and then national policymaking, and in investment banking. Before advising HM Treasury during the 2008 Global Financial Crisis and its aftermath, and co-founding the firm in 2009, John was Global Chief Economist and then Senior Economic Policy Advisor at Lehman Brothers. This followed almost twenty years at the Organisation for Economic Cooperation and Development (OECD) in Paris, where he was successively Head of International Forecasting and Policy Analysis and Editor of the OECD Economic Outlook; Deputy Director for Social Affairs, Manpower and Education, and finally Chef de Cabinet to the Secretary-General. 

Prior to that he spent nearly ten years at the Faculty of Economics at the University of Cambridge, and was also a Fellow of St. John’s College. 

John holds an undergraduate degree from the Victoria University of Wellington, New Zealand, and a doctorate from the University of Oxford. He has published widely.

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Dimitri Zenghelis

Dimitri co-heads our Sustainability practice Area and is also a core member of our Macroeconomics and Financial Markets team.

An internationally reputed economist, Dimitri advises governments, banks, financial institutions, NGOs, and other international organisations and corporations on sustainability, climate change, innovation, economic modelling, and clean urbanisation.

He set up the Wealth Economy Project at the Bennett Institute at the University of Cambridge, is a visiting Fellow at the London School of Economics (LSE), Chair of the Wealth Committee for Capital Generation Partners, and a member of the London Sustainable Development Commission.

Prior to this he served as Head of the Grantham Research Institute at the LSE and Chief Economist for the Global Commission on the Economy and Climate.

He was also lead author on the ground-breaking Stern Review on the Economics of Climate Change and worked at HM Treasury as Head of Economic Forecasting. 

Dimitri holds a BA from the University of Oxford and an MSc from the University of Bristol.

Dr John Llewellyn


Dimitri Zenghelis


Dr John Llewellyn


Dimitri Zenghelis


The evolution of economies and financial markets is shaped by an array of macroeconomic forces, both global and national

From policy and politics through to consumer and company behaviour.

With economic analysis thereby at the core of much government, corporate, and investor decision-making and risk management.

Independent Economics supports asset managers, banks, pension and sovereign wealth funds, companies, and governments.

By engaging our global network of experts to assess, interpret, identify, and analyse trends and underlying drivers.

We help our clients navigate risks, respond to regulatory and policy change, and respond constructively to change. 


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