Jenner & Block

Justin C. Steffen is a partner in Jenner & Block’s Complex Commercial Litigation group and is a co-founder and leader of the firm’s FinTech and Blockchain practices.  He routinely represents clients in large, “bet-the-company” litigation, internal investigations, and assists online lenders, payments companies, and blockchain/cryptocurrency companies navigate the evolving regulatory and legal environment. Recently, he defended a subprime lending subsidiary of a large multinational corporation in a three-week, $1 billion Federal trial.

Focused on financial and emerging technologies, Justin advises clients on issues pertaining to artificial intelligence and machine learning, the internet of things (IoT), mobile payments, and blockchain and cryptocurrency.  He was recently named an emerging leader by BAI and a FinTech Trailblazer by The National Law Journal.  He frequently educates, speaks, and writes on blockchain, algorithmic lending, and other financial technologies. Among other engagements, he spoke at the 2017 Fin(Legal) Tech Conference, the FinTank Chicago Blockchain summit, the 2018 Block(Legal) Tech Conference that he co-organized, and gave a workshop to 1871, Chicago’s Technology and Entrepreneurship Center. 

In the coming months, Justin is scheduled to speak at the FinTech Symposium, the Perrin Food and Beverage Conference, and Lend360.  In spring 2019, he will serve as an adjunct professor at Loyola University School of Law, teaching a class on FinTech and the Law.  He is also the founder and chairman of the Chicago Bar Association’s Financial and Emerging Technologies Committee and a member of FinTEx’s Legal and Regulatory Committee. 

Justin is a frequent FinTech commentator who has published articles in Law360, FinTech Weekly, Business Insurance Journal and LegalTech News.  He has been quoted in articles on financial and emerging technologies in a number of legal and industry publications, including Inside Counsel, Financial Advisor, the Chicago Daily Law Bulletin, and Coindesk.  Follow him @FinTechAttorney.