William de Sierra-Pambley is an associate in the Finance and Bankruptcy Practice Group and a member of the firm’s Alternative Finance team and Blockchain and Fintech team.

Areas of Practice

William represents corporate borrowers, financial sponsors, portfolio companies, commercial banks and other financial institutions in a variety of domestic and cross-border financing transactions. Some of the areas in which William has experience are senior secured and second-lien credit facilities in connection with broadly syndicated transactions, leveraged buyouts and add-on acquisitions. William also specializes in tribal-related financing projects.


Digital Media


J.D., Fordham University School of Law, 2020, Coach, Dispute Resolution Society, DRS Faculty Recognition of Excellence Award, Public Speaking Distinction at ICC International Mediation Competition

B.A., University of Virginia, 2013, with distinction

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