Mark A. Israel Compass Lexecon


Mark Israel is a Senior Managing Director at Compass Lexecon and oversees Compass Lexecon’s North American antitrust business. Prior to joining Compass Lexecon, he served as an Associate Professor at Northwestern University’s Kellogg School of Management. He received his Ph.D. in Economics from Stanford University in 2001. Israel has substantial testifying and consulting experience involving the application of economic tools, including econometric methods and economic theory, to antitrust cases including mergers, joint ventures, regulatory proceedings and litigation matters, both in the U.S. and internationally. He has served as an expert for both government agencies and private parties in cases involving industries such as: airlines, telecommunications, cable television, broadband internet service, financial markets, health insurance, food distribution, energy markets, railroads, shipping, high technology industries, consumer retail, and many others. His work in these industries covers merger review, analysis of single- and multi-firm conduct, class certification, and damages. He has testified in six major merger cases since 2015, for both private parties and the government, and served as a lead expert in many other cases, including Comcast-NBCU, American Airlines-US Airways, and AT&T-Time Warner. Israel has written numerous academic articles on topics including competition economics, merger policy, telecommunications, airlines, applied econometrics, and the economics of risk and insurance. His research has been published in leading scholarly and applied journals including, among others, The American Economics Review, The Rand Journal of Economics, The Review of Industrial Organization, The Journal of Competition Law and Economics, and The Review of Network Economics, and has been presented to business, government, and academic audiences around the world. Among his publications is the chapter on Econometrics and Regression Analysis in the Third Edition of the ABA’s treatise on Proving Antitrust Damages (along with two Compass Lexecon Co-Authors).

2022 Awards

2020 Awards


Nominee, 2022 Antitrust Writing Awards: Academic, Mergers

Nominee, 2020 Antitrust Writing Awards: Academic, Mergers

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