David E Teitelbaum is a partner in the banking and financial services group at Sidley Austin LLP. He has a broad regulatory practice for all types of entities involved in the firm’s payments and financial systems, including insured depository institutions and their holding companies, payment processors and systems, money transmitters, technology providers, virtual currency businesses and investors. David has been involved in the evolution of payment technology from its roots in credit, debit and ACH through ongoing developments in prepaid, internet, mobile and virtual currency models. He has assisted clients in projects involving blockchain-based technologies both as a form of payment and as an asset class for investment, including in connection with virtual currency brokerage, exchange, trading and investment, and has assisted clients in obtaining state licences when warranted. David is a member of the editorial board of FinTech Law Report, and his publications include articles in the Journal of Payments Strategy & Systems and The Business Lawyer as well as co-authorship of The Community Reinvestment Act: Policies and Compliance (Prentice Hall Law & Business), the US chapter of the International Monetary Fund book Payment Systems of the World, and contributions to The Law of Electronic Fund Transfer Systems (Warren, Gorham & Lamont). David has been named a ‘leading lawyer’ in Chambers USA, and was selected as one of Law360’s Retail & E-Commerce MVPs of the year for 2017. David graduated from Stanford Law School in 1986 as a member of the Order of the Coif, and clerked for William A Norris, US Court of Appeals, 9th Circuit, during the 1986–1987 term.