Cornerstone Research Further Expands in Europe with Brussels Office

We work with clients in all phases of litigation, regulatory inquiries and arbitrations. Our European team, together with our global firm resources, are committed to providing consistently high-quality analyses and expert testimony.

We are privileged to work on a wide range of our clients’ most high-profile matters. Our approach uses the experience of our staff to support world-class academic, industry and in-house experts.

Featured Experts

Featured Experts

Pierre Collin-Dufresne

Professor of Finance,
Swiss Finance Institute,
École Polytechnique Fédérale de Lausanne

Pierre Collin-Dufresne is an expert in international financial markets, with an emphasis on asset allocation and pricing, risk management, and market microstructure. Professor Collin-Dufresne consults to the European Central Bank, as part of the Bank’s Directorate of General Research, and formerly held a visiting appointment at the Federal Reserve Bank of New York. He has served on the advisory research boards of Moody’s, INQUIRE Europe, Kepos Capital, and Lombard Odier Asset Management. As an expert witness, Professor Collin-Dufresne has provided expert testimony in matters involving investment banking, valuation, and fixed-income securities and derivatives.

In his research, Professor Collin-Dufresne studies topics related to credit risk, fixed-income securities, credit and equity markets, asset allocation, securitization, emerging markets, and international finance. He has analyzed trading behaviors and assessed their impact on market liquidity, price volatility, and firm value. Professor Collin-Dufresne has twice been awarded the Journal of Finance’s Amundi Smith Breeden Distinguished Paper Prize for his work on the connections between market dynamics, trading activity, and stock prices, as well as for research on securitization.

Professor Collin-Dufresne’s research has been published in leading academic journals, including Econometrica, the American Economic Review, the Journal of Finance, and the Review of Financial Studies. A coeditor of Finance and Stochastics, he also serves as associate editor of the International Journal of Central Banking, European Financial Management, and Mathematical Finance. Professor Collin-Dufresne was a director of the American Finance Association and the Western Finance Association. He is a research fellow at the Centre for Economic and Policy Research (CEPR) and a former research associate at the National Bureau of Economic Research (NBER).

At the Swiss Finance Institute, Professor Collin-Dufresne has taught courses in asset pricing, investments, and credit derivatives. Previously, he was the Carson Family Chair Professor at Columbia Business School, and held professorships at the Haas School of Business at the University of California, Berkeley, and at Carnegie Mellon University. Before joining the faculty at Columbia, Professor Collin-Dufresne was a senior portfolio manager at Goldman Sachs Asset Management, responsible for fixed-income and credit strategies in the Quantitative Strategies Group.

Featured Experts

Margaret K. Kyle

Chair in Intellectual Property and Markets for Technology,
MINES ParisTech

Margaret Kyle is a noted authority on competition, intellectual property (IP), and innovation, with extensive multinational experience with life sciences and healthcare topics.

Professor Kyle has been retained as an expert witness in multiple matters and has significant testifying experience, including at trial. She has provided testimony on a range of issues, including damages related to alleged product misrepresentation, pricing of pharmaceutical products, and nascent competition. The global Women@Competition platform named Professor Kyle among forty notable women competition professionals in their forties. Global Competition Review recognized her to its inaugural list of the world’s most important antitrust academics.

In her academic work, Professor Kyle has examined the impact of antitrust, trade, and IP policies on R&D investment, innovation, and competition. In particular, Professor Kyle has substantive experience with issues related to pricing of pharmaceutical products, R&D productivity, new product distribution, and competition between branded and generic pharmaceutical products. In addition, she has written about antitrust merger enforcement issues in pharmaceutical markets, with applications to other dynamic markets characterized by innovation. In the context of COVID-19, she has analyzed how incentives can promote the development of new medical technologies and advance the rapid manufacture of tests and treatments.

Professor Kyle’s previous positions include visiting professor of strategy at Northwestern University’s Kellogg School of Management; visiting scholar at the Center for the Study of Income and Productivity at the U.S. Federal Reserve Bank of San Francisco; professor at the Toulouse School of Economics; assistant professor at the London Business School, Duke University, and Carnegie Mellon University; and visiting professor at the University of Hong Kong.

Professor Kyle consults to policy entities in the United States, Europe, and the UK on competition, economics, and innovation topics. She is a member of DG Competition’s Economic Advisory Group on Competition Policy. At France’s Conseil National de Productivité, which advises the French Prime Minister and the Minister of Economic Affairs, she is one of eleven independent academic economists analyzing the country’s productivity and competitiveness, particularly issues linked to the Euro Zone. She coauthored a note on policies to encourage pharmaceutical innovation for France’s Conseil d’Analyse Économique. In the UK, Professor Kyle serves on the Research Committee for the Office of Health Economics.

Professor Kyle has coauthored chapters in the Handbook of Health Economics, the Oxford Handbook of the Economics of the Biopharmaceutical Industry, and Elsevier’s Encyclopedia of Health Economics. Her academic papers have been published in leading economics, strategy, and health policy journals. She is associate editor of the International Journal of Industrial Organization. Professor Kyle has been invited to speak at numerous conferences on issues such as nascent competition, reverse payment patent settlements, and excessive pricing.

Featured Experts

Lorin M. Hitt

Zhang Jindong Professor of Operations, Information and Decisions,
The Wharton School, University of Pennsylvania;
Senior Advisor, Cornerstone Research

Lorin Hitt is an expert in applied econometrics who works on a broad range of antitrust, product liability, and intellectual property matters. He studies the role of information and information technology in pricing and product strategy decisions, competition, market structure, and consumer behavior.

Professor Hitt’s research focuses on how information and technology create economic value; how goods and services are priced; how competition works in information-intensive industries and online markets; and how consumers search and use information in their decision-making, among other topics. In his research, Professor Hitt utilizes a variety of empirical methods to estimate demand and supply, measure the effect of external events on market prices, and value individual product features in differentiated products.

Professor Hitt has substantial experience addressing class certification, damages, and liability issues. His expertise includes analyzing market data and evaluating proposed empirical methods such as hedonic price analyses, difference-in-differences regression analyses, and conjoint analyses. He has testified in high-profile antitrust, product liability, data privacy, data breach, and intellectual property matters, such as:

Professor Hitt’s research has been published in leading economics and management journals, including the Quarterly Journal of Economics, the Review of Economics and Statistics, the Journal of Economic PerspectivesBrookings Papers on Economic ActivityManagement Science, and Information Systems Research.

At the Wharton School and the Massachusetts Institute of Technology, Professor Hitt has taught courses on competition and customer pricing, information systems management, the economics of technology, and data analysis. He has won the annual Wharton Undergraduate Teaching Award more than ten times, and he has also been honored with the Wharton-wide Hauck Award and the University of Pennsylvania-wide Lindback Award for distinguished teaching.

Featured Experts

Liam Colley

Senior Vice President

Liam Colley heads Cornerstone Research’s European competition practice. Mr. Colley is a testifying economics expert specializing in competition, antitrust damages, and economic regulation issues. He has more than twenty-five years of experience as a consultant and testifying expert. His experience includes multiple high-profile matters before U.K. and European Union courts and competition regulators. Citing the “unassailable quality of his work,” Who’s Who Legal has named Mr. Colley a leading competition economist, as well as a Thought Leader and Global Leader in the competition field.

Antitrust and competition

Mr. Colley has consulted on a range of competition matters before the European Commission, national competition authorities, regulators, and courts. His expertise includes matters arising in automotive; financial services; insurance; technology, media, and telecom (TMT); and transportation. He has supported clients on numerous antitrust investigations and market inquiries. In addition, Mr. Colley has worked on multiple mergers, particularly on matters involving efficiencies and failing firm defenses.

Antitrust damages

Mr. Colley has wide experience estimating damages that arise from breaches of competition rules. In cartel damages matters, he has prepared numerous expert reports in the context of high court litigation, arbitration, mediation, and settlement negotiations. He has addressed class action issues and worked on many stand-alone and follow-on actions in abuse of dominance cases.

Mr. Colley has served as a testifying expert before the U.K. High Court and the U.K. Competition Appeal Tribunal (CAT) on both antitrust damages matters and regulatory appeals.

Mr. Colley publishes and speaks widely on competition and damages issues. Before joining Cornerstone Research, for many years he led the global economics practice of a major professional consulting firm.

Featured Cases and Publications

27 February 2024

City & Financial Global Market Abuse and Market Manipulation Summit 2024

Greg Leonard will speak on a panel titled ‘Latest Developments in Market Manipulation Enforcement’ at this annual event in London.

20 February 2024

Brussels Team Expands with Experienced Competition Hire

Dr. Norbert Maier joins Cornerstone Research, with deep antitrust law and competition expertise from the EU Commission DG COMP team.

8 February 2024

GAR Live: Damages 2024

Ronnie Barnes will join arbitrators and attorneys in a live Q&A session at this Global Arbitration Review conference in London.

5 February 2024

Cornerstone Research Named Among 2024 Outstanding Global Economic Consultancies

Global Competition Review describes the firm as “ideally placed to tackle the most complex and demanding competition mandates.”

18 January 2024

Cartels Workshop: An Advanced Seminar on Substantive and Procedural EU Developments

Gregor Langus will speak on a panel titled ‘Substantive Issues’ at this annual workshop in Brussels.

12 January 2024

2024 Antitrust Writing Awards

Cornerstone Research staff and affiliated experts are nominated in Concurrences Review’s annual selection of leading articles.

4 December 2023

Innovation in Merger Control

This article discusses the considerations for forward looking economic analysis of dynamic innovation and R&D effects in mergers.

30 November 2023

GAR Academy Damages in International Arbitration

Ronnie Barnes serves as a faculty member in GAR Academy’s Damages in International Arbitration Massive Open Online Course (MOOC).

17 November 2023

Dublin International Arbitration Day 2023

Ronnie Barnes will moderate a panel titled, ‘Arbitration, Bankruptcy & Sanctions,’ at this annual conference in Ireland.

13 November 2023

Global Class Actions Symposium 2023

Vikram Kumar will chair a panel about calculating damages in large class actions at this London conference.

How can we help you?

For more information or assistance with a specific matter, please contact us.


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