In the law firmsMcGuireWoods LLP added Margaret M. Seurynck to the firm’s debt finance practice.Seurynck represents lenders and borrowers in transactions, such as secured and unsecured loans, asset-based and cash flow loans and single-bank and syndicated credit facilities. She also handles structured finance arrangements, including structured note tax credit finance transactions and commercial paper programs.She joins from Jones Day.• Bernstein Law Firm LLC added Jay D. Stein as a partner.Stein’s addition …