Gregory Tsonis, ’15, Joins Duane Morris as Class Action Team Member

Duane Morris Welcomes Employment Partners Gerald L. Maatman Jr. and Jennifer A. Riley in Chicago

Gerald L. Maatman, Jr. and Jennifer A. Riley have joined as partners in Duane Morris LLP’s Employment, Labor, Benefits and Immigration Practice Group in its Chicago office. Maatman will chair the newly formed Workplace Class Action Group division within the firm’s employment practice, and Riley will serve as vice chair. Prior to joining Duane Morris, Maatman and Riley were partners at Seyfarth Shaw LLP. Additional partners, associates and staff on their national class action team have joined Duane Morris as well. Partner Michael DeMarino, special counsel Brandon L. Spurlock and associates Aaron A. Bauer, Alex W. Karasik, Gregory Tsonis and Tyler Z. Zmick have joined in Chicago and special counsel Rebecca S. Bjork has joined in Washington, D.C.


Gregory Tsonis has represented clients ranging from Fortune 500 companies to startups facing complex litigation, including actions involving the Age Discrimination in Employment Act and Employee Retirement Income Security Act. He has participated in multiple trials and is well-versed in all aspects of litigation, both inside the courtroom and out. Tsonis’ substantial legal and corporate experience provides him with a unique understanding of the challenges faced by employers and the ability to provide practical and efficient solutions to complex business problems. Prior to becoming an attorney, he worked for a major big-box retailer in a corporate role involving coordination with store, field and headquarters leadership on managing various business risks. During his time there, Tsonis helped develop policies and procedures to avoid employment law issues.

Tsonis is a graduate of the University of Chicago Law School (J.D., with honors, 2015) and the University of Chicago (B.A., 2005).

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