Website Cookies

We use cookies to make your experience better. Learn more on how here

Accept
LEADERSHIP TEAM &
INTERNATIONAL ADVISORY GROUP

Our People

Leadership team

 

Partner

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.

Click here for more information.

Managing Partner

Preston J. Llewellyn

Preston is the co-founder and Managing Partner of Independent Economics. He leads the organisation on all aspects of strategy, team leadership and operations, and key client and assignment management across its global network.

An experienced business leader, Preston also works substantively on all projects, and has written on and led projects on subjects ranging from the decarbonisation of industry to ESG, digitalisation, and technology, including importantly a specialist series on new technologies that stand to have practical application in industries over the coming ten years. 

Before co-founding the organisation in 2009 he spent ten years at the industrial coalface serving in various senior roles on corporate strategy, business development, communications, and marketing.

Preston holds a BA and an MSc (Maitrise Sc. Ec.) in Economics with French from the University of Sussex and the University of Grenoble, and an MBA from Imperial College, London.

Chairman

Terry Scuoler

Terry is an industrialist, Chairman, non-executive Director, and business advisor.

He is Chair of the Institute of Export & International Trade, Talent Retention Solutions (TRS), and is an advisor to a number of companies.From 2010-17 Terry was the CEO of the Engineering Employers Federation (EEF) representing some 20,000 UK companies at the highest levels of government including sitting on a number of high profile Ministerial Committees.

During his tenure at the EEF he served, from 2010-1017, as Chairman of the Council of European Employers for the Metals, Manufacturing and Technologies industries representing some 230,000 companies at the top tables in Brussels and EU member state capitals.

Prior to joining EEF Terry was Managing Director of Ferranti Technologies which he transformed from loss making and decline into a highly successful and profitable organisation.

Terry is a graduate of the Royal Military Academy Sandhurst, and has a Masters degree in Political Economy and Economic History from the University of Glasgow.

Partner & Co-head of Sustainability

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.

Partner & Co-head of Sustainability

Silja Sepping

Silja co-heads the firm’s Sustainability practice area. She is also a core member of the firm’s Macroeconomics and Financial Markets team and part of the Expert Witness and Litigation Support team. 

Silja is a key contributor to the firm’s bespoke research projects, and to the regular macroeconomic analysis. She has a particular specialisation in environmental and technology issues. Silja has produced an important suite of corporate briefs on the environmental impacts of a wide range of sectors and activities, many of which have been published by the Sustainable Markets Initiative, launched by the former Prince of Wales. 

Prior to joining the team, Silja was a Senior Investment Analyst at GLC Global Macro hedge fund, where she was responsible for macroeconomic research and market analysis, with a primary focus on emerging markets and FX. Before that, Silja worked for Lehman Brothers as an Emerging Markets Economist, focusing on Central and Eastern Europe. While at the bank Silja was responsible for macroeconomic forecasts and market analysis, leading meetings with the region’s policymakers, speaking with journalists, and contributing regularly to the weekly and monthly publications.

​Silja holds a first-class honours degree in Economics and Business Administration from Stockholm School of Economics in Riga, and an MSc in Economics from Stockholm School of Economics.

Partner & Head of Organisational Culture & Performance

Steve Cutts

Steve is based in New York and heads our Organisational Culture & Performance practice area. He is an adviser to a number of UK and international corporations, government agencies, and NGOs. He is also Chair of the United Nations Population Fund Association (UNFPA) Oversight Advisory Committee and sits on and advises several boards in both the public and private sector advising on strategic transformation and change management.

Prior to that he was the CEO of Reach to Teach, an international organisation which partners with government and like-minded organisations to improve the quality of primary education in underdeveloped countries. 

Steve has wide-ranging senior level experience in international organisations and NGOs. From 2013 to 2017 he served as the United Nations Assistant General Secretary for the Office of Central Support Services in New York, responsible for the Secretariat’s multi-billion dollar global procurement budget and overseeing property management and major construction and renovation projects worldwide. Prior to that he was Assistant General Secretary for Corporate Affairs at the Commonwealth Secretariat in London. He started his intergovernmental career at the Organisation for Economic Cooperation and Development (OECD) in Paris, where he served as Chef the Cabinet and Deputy Executive Director.

Steve holds an executive MBA from INSEAD as well as a first class honours degree in American studies and English literature, and an Honorary Doctorate from Keele University.

Head of Technology transformation

Dr Peter Collinson

Peter heads our Technology Transformation practice area. His expertise is gleaned over 25 years in the energy sector, working for an oil major and joint venture partners around the world. His current focus is in maritime technology and business transformation through delivering ‘digitalization and decarbonisation solutions’ for traditional and renewable energy clients. 

Peter has worked extensively on the strategic development and deployment of new technology in the energy sector, specifically robotic Marine Autonomous Systems (MAS). He has supported many pre-commercial developments of technology, both under and on the water, small and large. He is a member of the robotics committees for UKRI (Innovate UK Government) and is Industry Lead for NERC’s Net Zero Oceanographic Capability project, aiming to decarbonise the UK’s scientific fleet by 2035. 

He conducts technology R&D and M&A activity in the maritime sector for a variety of clients, holds a PhD in Marine Ecology from the University of Hong Kong and is a Fellow of the Institute of Marine Engineering, Science and Technology (IMarEST).

Senior Adviser

Sangeeta Khorana

Based in Bournemouth, Sangeeta has an extensive career encompassing academia, government, and management consulting. Currently serving as a Professor at Aston Business School in the UK, she also holds the position of a Trustee Director on boards of various profit and not-for-profit organisations in the UK, India and USA.

Professor Khorana advises governments on trade negotiations and actively contributes her insights to various UK government committees. She is interested in and has written widely on trade negotiations, sustainable and inclusive supply value chains, and procurement reform related issues. Her extensive academic portfolio encompasses over 70 publications, including books, book chapters, and journal articles on trade policy issues. She has been involved in training work in Vietnam, the Caribbean region, the UK, Bangladesh, India, among others. Her work is interdisciplinary which requires her to collaborate with trade lawyers, political scientists, and operational management experts.

Her track record includes completion of successful projects for organisations such as the European Commission, Inter-American Development Bank (IADB), World Bank/OECS, UK Economic and Social Research Council (ESRC), Commonwealth Secretariat, UNCTAD-India, and several others.

She has a PhD from the University of St. Gallen, a summa cum laude Masters’ degree in trade law and economics from Switzerland, and an MA in Economics from India.

Head of Defence and Security

Lt General (Rtd) Sir Andrew Graham CB CBE

A former Deputy Commander of Coalition Forces in Iraq, a Brigade Commander in Northern Ireland and Director General of the United Kingdom Defence Academy, Andrew is an acknowledged expert in global Defence and Security and the wider geopolitical challenges of emerging threat levels, conflict, post-conflict and disaster recovery and nation building.

He has served as a non-executive Director of a major UK Government department, been closely involved in three UK national Defence and Security Reviews and has worked as an Advisor and Ambassador to a number of international Corporations, Agencies and Organisations.

Andrew is a graduate of Cambridge University where he studied Languages and History.
Analyst

Michael Roberts

Michael joined Independent Economics in 2022 and is the newest member of the team. 

Michael works primarily on the firm’s bespoke research projects, where he covers a wide range of areas, including tax policy and data privacy. Michael is highly numerate, with experience in econometrics and broader statistical analysis. He also contributes to the firm’s IT and business operations.

Prior to joining the IE team, Michael worked for Llewellyn Consulting on input-output analysis, and on a range of sustainability projects, where he researched and wrote a number of reports. Before that he held a number of analysis roles in asset management, commercial banking, and market research in the UK and Asia.

Michael was brought up in Singapore, and holds a BA in Philosophy, Politics, and Economics (PPE) from the University of Exeter.

Senior Adviser

Sylvia Ashley

Sylvia is a Senior Adviser for Indpendent Economics in the Organisational Culture & Performance team specialsing in culture, people risk, and embedding cultural change.

Sylvia is highly experienced. She has been working in an advisory capacity supporting large global institutional banks, private banks, building societies, asset managers, pension funds in managing their culture, change, and people risk to support resilience, peformance, and growth whilst complying with local regulatory requirements. She has worked in Europe, Australiasia, and the Amercias.

During a career spanning four decades, Sylvia has held senior roles in financial services organisations including Head of Swaps and Sales and Regional Head of Sales for Australiasia both at Citibank (Australia and London), Head of Investor Relations & Head of Structured Sales for Rabobank in the Netherlands and Singapore, Head of Structured sales UBS, London and Singapore), Senior Consultant Organisational Development for Citi Private Bank (London and New York), and Senior Consultant in Compliance and Organisational development for HSBC HQ. More recently Sylvia was Head of People and Culture at Grant Thornton and continues to work with them on a consultancy basis.

During her Career, Sylvia has supported a number of community projects including Business in the Community and Australian Society of Accountants where she has both established a mentoring scheme winning various awards and participated as a mentor and coach to support social mobility. She is also an accredited leadership coach for both individual leaders and organisations.

Adviser

Dr James Cameron

James contributes to the Technology Transformation practice area, and to our MacroPlus Technologies series. As an industrial research scientist, he focusses in particular on areas of science and technology with relatively immediate business applications – to date some 50 topics have been covered, ranging from brain computer interfaces, to carbon capture, storage, and utilisation (CCUS).

Prior to his move to the Hague in early 2022, James was a Postdoctoral Researcher at the Deutsches Rheuma-Forschungzentrum (DRFZ) in Berlin, and a Fellow at the UK Parliamentary Office of Science and Technology (POST), where he provided research on Advanced Therapy Medicinal Product (ATMP) regulation.

James holds a BSc from the University of York and a PhD from the University of Birmingham.

Senior Adviser

Mark Cleere

Mark is a Senior Adviser within Independent Economics’ Organisational Culture and Performance team.

He has worked as an independent consultant since 2013 and partnered with organisations as a change and programme manager for global and UK organisations across a wide range of sectors including not-for-profit, non-governmental organisations, mining and metals, and financial services. Mark has extensive experience across all People disciplines, including Reward and Equal Pay, Talent Management, Policy as well as management of investigation, grievance, and disciplinary procedures.

Mark is also widely experienced in Culture and Conduct matters, including regulatory change management, audit and advisory work, plus culture framework design. Throughout his career, he has always emphasised the importance of practical solutions to ensure these are sustainable for organisations to implement and maintain.

Mark’s previous background includes business management roles at Hewitt Associates and Barclays Bank and he was also treasurer for the charity, Charlotte’s Helix.

Senior Adviser

​Simon Commander

Simon forms part of Independent Economics’ Sustainability team.

Simon is Managing Partner of Altura Partners (www.alturapartners.org) which provides strategic and economic policy advice to top level decision makers in governments and companies in emerging markets. He has worked extensively on emerging markets including at senior levels in the World Bank in Washington DC and in the European Bank for Reconstruction and Development (EBRD) in London with which he continues to be associated. 

He holds an MA from Oxford University and a PhD from Cambridge University.

Senior Adviser

Martin Fraenkel

Martin forms part of Independent Economics’ Sustainability team.

Martin is Chairman of the Board of VAKT Global, a consortium of leading banks and energy companies building a Blockchain platform to digitise trade flows. He is an Independent Non-Executive Director of the London Metal Exchange.  He was previously a member of the Board of Directors CRISIL Ltd, the premier Indian credit ratings and data company. He served as President (CEO), Vice Chairman and Head of Content of S&P Global Platts from 2015-21 and as a member of the Operating Committee of S&P Global, the credit ratings and benchmarks company. Alongside fellow members of the Operating Committee, he developed a cross-company ESG strategy.

As President of S&P Global Platts, he led a major expansion of its coverage of the Energy Transition, including the publication of an annual thirty-year Future Energy Outlook as well as market-first prices for global carbon, hydrogen, low carbon oil, sustainable aviation fuel, guaranteed origin gas and power, and battery metals. Under Martin, Platts successfully launched Distro, an energy micro-grid, in partnership with the Port of Rotterdam. Martin also led Platts’ acquisition of an equity stake in Xpansiv CBL Holding, a leading Carbon offset and renewable platform. 

He has served as a Trustee of Chatham House, the Royal Institute for International Affairs. He has been recognised as a “Distinguished Alumnus” by Johns Hopkins University and serves on the Advisory Board of its SAIS Europe campus. He holds a judicial appointment as a Member of the Financial Services Upper Tribunal.

Previously he was Global Head of Energy at CME Group, the largest global futures exchange. Prior to CME he had a 25-year career in top tier banks, culminating as Global Head of Commodities at Credit Agricole Corporate and Investment Bank. He became a Managing Director of JP Morgan Chase in 1995. He later managed Dresdner Kleinwort’s pioneering Carbon Trading business after the launch of the EU’s European Trading System in 2005, which was named Euromoney’s “Emission House of the Year” in 2006.

Martin received a BA at Balliol College, Oxford and an MA from the School of Advanced International Studies of Johns Hopkins University. He later completed an MBA at INSEAD, France.

Senior Adviser

Nick Greenstock

Nick is the CEO and co-founder of the strategic advisory company, Gatehouse Advisory Partners and geopolitics lead. His focus is on working with governments, businesses, and civil society to identify and interpret critical geopolitical themes. Nick has a broad corporate background, having worked in Banking, management consulting, and corporate affairs. He also played rugby professionally (Wasps, Quins, and England).
Senior Adviser

Dr Alexander Lehmann

Alex leads the financial sector work within the Independent Economics’ Sustainability team.

Alex is an experienced advisor to governments, central banks, and financial firms, focusing on how financial systems can become more resilient and support sustainable growth. In engagements in more than 25 emerging markets and across Europe he has also worked with international and EU institutions, connecting development finance and impact investors to local financial market participants.

Alex has held a number of academic appointments, including at the Royal Institute of International Affairs (Chatham House), Berlin’s Hertie School of Governance, and most recently at the Frankfurt School of Finance. He currently also holds an appointment at Bruegel, Europe’s top-rated economics think tank, and serves on the Sustainability Committee of the European Securities and Markets Authority (ESMA) in Paris.

Until 2016 Alex was the Lead Economist at the European Bank for Reconstruction and Development (EBRD) where he headed the strategy and economics unit for central Europe and Baltic countries, and prior to that was an official at the International Monetary Fund (IMF) in Washington.

Alexander has published widely on financial policies in the EU and emerging markets and holds degrees in economics from the London School of Economics and the College of Europe and a D.Phil. from Oxford University.

Senior Adviser

Hannah Macdonald

Hannah is a Senior Adviser within Independent Economics’ Organisational Culture and Performance team.

Hannah is a purpose-driven Founder and EDI (equity, diversity & inclusion) specialist with extensive experience both from an in-house and client-facing perspective.

She is currently the Founder of Accountancy Hub, an organisation which supports accountancy firms to support their trainees from a wellbeing, inclusion, and community angle. The platform aims to contribute to an inclusive and welcoming finance industry where anyone can thrive in their finance career regardless of their background, how they look, their gender, sexual orientation, or family circumstances.

Hannah has experience strategically leading entities and was a Trustee of the national charity Action for Sick Children for around 4 years. Here she revitalised their online presence, led their Youth Strategy, and represented the charity at Westminster Policy Forums.

As an EDI Consultant, she has supported organisations to develop, enhance, and deliver on their EDI and Early Careers strategies. She also spent a year seconded to Grant Thornton LLP’s in-house EDI team where she developed and delivered their UK-wide gender equality strategy. Hannah is fascinated by the relationship between culture, corporate ethics, and inclusion, believing organisations can successfully meet their objectives when these align to attract, develop, and retain the best talent.

Senior Adviser

John M. Masters

John is a Senior Adviser within Independent Economics’ Organisational Culture and Performance team.

John has a strong track record of delivering pragmatic solutions to business problems. He is an experienced advisor, consultant, and senior auditor focusing on regulatory affairs, people, ethics, conduct and culture, and corporate governance in the financial services sector and has worked in EMEA, the United States, Latin America, Eastern Europe, and Asia.

He is a passionate advocate of how healthy organisational culture is able to foster better performance, productivity, innovation, and profitability. John has held a number of key business roles in UK and international banks, including Group Compliance Director at Barclays Bank PLC, EMEA FI/FX Controls Head at a US bank, and Head of Audit at the UK’s largest consumer credit company. He was most recently a senior associate at Grant Thornton LLP within its People and Culture team.

Senior Adviser

Dr Jim Rogers

Jim is a Senior Adviser within Independent Economics’ Organisational Culture and Performance team.

Jim has worked in education for much of his career starting out as a teacher and leader, before moving to academia as a Teaching and Educational Research Fellow at Exeter University. Following this Jim has held senior and system leader roles including as Director of Plymouth Learning Partnership, and Director of a multi-academy trust of 32 schools. He is a Principal Education Advisor for Education Development Trust, an international education charity. He has worked alongside the Department for Education at a national level advising on education policy.

Jim specialises in organisational culture, team performance, and leadership development in both public and private sector organisations. Jim has a strong, proven record of impact that includes turning schools around under the scrutiny of Ofsted. Jim also works in partnership with the Nordic Schools in Denmark, and is an executive coach.

Jim has published on a range of educational topics and holds a Master’s degree in Educational Research and a PhD from the University of Exeter. He is a Trustee of Durrington Multi-Academy Trust and an Advisory Board Member of the Trust-wide CPD Leads’ steering group.

Dr John Llewellyn

Partner

Preston J. Llewellyn

Managing Partner

Terry Scuoler

Chairman

Dimitri Zenghelis

Partner & Co-head of Sustainability

Silja Sepping

Partner & Co-head of Sustainability

Steve Cutts

Partner & Head of Organisational Culture & Performance

Dr Peter Collinson

Head of Technology transformation

Sangeeta Khorana

Senior Adviser

Lt General (Rtd) Sir Andrew Graham CB CBE

Head of Defence and Security

Michael Roberts

Analyst

Sylvia Ashley

Senior Adviser

Dr James Cameron

Adviser

Mark Cleere

Senior Adviser

​Simon Commander

Senior Adviser

Martin Fraenkel

Senior Adviser

Nick Greenstock

Senior Adviser

Dr Alexander Lehmann

Senior Adviser

Hannah Macdonald

Senior Adviser

John M. Masters

Senior Adviser

Dr Jim Rogers

Senior Adviser

Dr John Llewellyn

Partner

Preston J. Llewellyn

Managing Partner

Terry Scuoler

Chairman

Dimitri Zenghelis

Partner & Co-head of Sustainability

Silja Sepping

Partner & Co-head of Sustainability

Steve Cutts

Partner & Head of Organisational Culture & Performance

Dr Peter Collinson

Head of Technology transformation

Sangeeta Khorana

Senior Adviser

Lt General (Rtd) Sir Andrew Graham CB CBE

Head of Defence and Security

Michael Roberts

Analyst

Sylvia Ashley

Senior Adviser

Dr James Cameron

Adviser

Mark Cleere

Senior Adviser

​Simon Commander

Senior Adviser

Martin Fraenkel

Senior Adviser

Nick Greenstock

Senior Adviser

Dr Alexander Lehmann

Senior Adviser

Hannah Macdonald

Senior Adviser

John M. Masters

Senior Adviser

Dr Jim Rogers

Senior Adviser

Advisory group

The Independent Economics core team is supported by a group of expert international advisors. Senior and highly experienced, they bring insights, add to our knowledge, and challenge our analysis adding value to our range of products and services.

HEAD OFFICE

1 St. Andrew’s Hill
City of London
EC4V 5BY

Tel: + 44 (0)20 7213 0300

Email: enquiries@independent-economics.com

Registered number: OC342697

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply

Web Design by Yellowball