Lexology Index: Commercial Litigation Recognizes Three Jenner & Block Lawyers

The latest edition of the Lexology Index: Commercial Litigation, formerly known as Who’s Who Legal, recognized Co-Chair of the Litigation Department Reid Schar, Co-Chair of the firm’s Litigation Department and Education Practice Terri Mascherin, and Partner David Greenwald. The guide offers unique insight into the leading commercial litigators, expert witnesses, and e-discovery experts around the world. 

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As a fellow of the prestigious American College of Trial Lawyers, Reid Schar helps clients across a wide range of industries navigate complex issues at the intersection of investigations, litigation, regulation, and public perception. His experience as a former Assistant US Attorney and in high-visibility situations like the Chicago Blackhawks sexual assault investigation, the General Motors ignition switch recall investigation, and the New Jersey "Bridgegate" investigation has made him a trusted strategist for businesses and individuals of every size, in every industry. Reid handles multibillion-dollar, multidistrict cases and class actions, and regularly represents clients before the DOJ, the SEC, state attorneys general, and multiple other regulatory bodies.

David Greenwald represents clients facing complex, high-value disputes and corporate crises. David has tried cases in federal and state courts, arbitrated cases in the United States and Europe, and conducted investigations on three continents.  David’s practice includes disputes and investigations in the defense and aerospace sectors, as well as insurance, reinsurance and insurance-linked securities disputes. A recognized thought leader, David is a prolific writer and speaker regarding attorney-client privilege, work product protection and related ethical issues.

Recognized as one of the most influential trial and arbitration lawyers in the United States, Terri Mascherin offers businesses, law firms, lawyers, and higher education institutions a full array of litigation tools to confront high-stakes challenges in court. She is a fellow and member of the Board of Regents of the American College of Trial Lawyers and host of its acclaimed podcast Trial Tested. 

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© 2026 Jenner & Block LLP. Attorney Advertising. Jenner & Block LLP is an Illinois Limited Liability Partnership including professional corporations. This publication, presentation, or event is not intended to provide legal advice but to provide information on legal matters and/or firm news of interest to our clients and colleagues. Readers or attendees should seek specific legal advice before taking any action with respect to matters mentioned in this publication or at this event. The attorney responsible for this communication is Brent E. Kidwell, Jenner & Block LLP, 353 N. Clark Street, Chicago, IL 60654-3456. Prior results do not guarantee a similar outcome. Jenner & Block London LLP, an affiliate of Jenner & Block LLP, is a limited liability partnership established under the laws of the State of Delaware, USA and is authorised and regulated by the Solicitors Regulation Authority with SRA number 615729. Information regarding the data we collect and the rights you have over your data can be found in our Privacy Notice. For further inquiries, please contact dataprotection@jenner.com.

Lexology Index: Commercial Litigation Recognizes Three Jenner & Block Lawyers

The latest edition of the Lexology Index: Commercial Litigation, formerly known as Who’s Who Legal, recognized Co-Chair of the Litigation Department Reid Schar, Co-Chair of the firm’s Litigation Department and Education Practice Terri Mascherin, and Partner David Greenwald. The guide offers unique insight into the leading commercial litigators, expert witnesses, and e-discovery experts around the world. 

Read More

As a fellow of the prestigious American College of Trial Lawyers, Reid Schar helps clients across a wide range of industries navigate complex issues at the intersection of investigations, litigation, regulation, and public perception. His experience as a former Assistant US Attorney and in high-visibility situations like the Chicago Blackhawks sexual assault investigation, the General Motors ignition switch recall investigation, and the New Jersey "Bridgegate" investigation has made him a trusted strategist for businesses and individuals of every size, in every industry. Reid handles multibillion-dollar, multidistrict cases and class actions, and regularly represents clients before the DOJ, the SEC, state attorneys general, and multiple other regulatory bodies.

David Greenwald represents clients facing complex, high-value disputes and corporate crises. David has tried cases in federal and state courts, arbitrated cases in the United States and Europe, and conducted investigations on three continents.  David’s practice includes disputes and investigations in the defense and aerospace sectors, as well as insurance, reinsurance and insurance-linked securities disputes. A recognized thought leader, David is a prolific writer and speaker regarding attorney-client privilege, work product protection and related ethical issues.

Recognized as one of the most influential trial and arbitration lawyers in the United States, Terri Mascherin offers businesses, law firms, lawyers, and higher education institutions a full array of litigation tools to confront high-stakes challenges in court. She is a fellow and member of the Board of Regents of the American College of Trial Lawyers and host of its acclaimed podcast Trial Tested. 

Related Capabilities

© 2026 Jenner & Block LLP. Attorney Advertising. Jenner & Block LLP is an Illinois Limited Liability Partnership including professional corporations. This publication, presentation, or event is not intended to provide legal advice but to provide information on legal matters and/or firm news of interest to our clients and colleagues. Readers or attendees should seek specific legal advice before taking any action with respect to matters mentioned in this publication or at this event. The attorney responsible for this communication is Brent E. Kidwell, Jenner & Block LLP, 353 N. Clark Street, Chicago, IL 60654-3456. Prior results do not guarantee a similar outcome. Jenner & Block London LLP, an affiliate of Jenner & Block LLP, is a limited liability partnership established under the laws of the State of Delaware, USA and is authorised and regulated by the Solicitors Regulation Authority with SRA number 615729. Information regarding the data we collect and the rights you have over your data can be found in our Privacy Notice. For further inquiries, please contact dataprotection@jenner.com.

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