Kelsey Byeff

Kelsey Byeff is a New York attorney whose practice focuses on commercial real estate finance. She represents a wide range of institutional clients, including banks, insurance companies, credit funds, private equity firms, and other lenders. Her work centers on structuring and negotiating complex financing transactions involving commercial properties across multiple asset classes. Through careful analysis and practical legal guidance, she helps clients navigate sophisticated lending arrangements and complete major real estate finance transactions.

Kelsey earned her Juris Doctor from Columbia Law School in 2015. She also received her Bachelor of Arts in Government from Dartmouth College in 2012. Her academic background provided a strong foundation in legal analysis, financial systems, and regulatory frameworks. These skills support her work advising institutional lenders and investors involved in complex real estate financing transactions throughout the United States and across a variety of property sectors.

Kelsey’s practice includes advising clients on mortgage and mezzanine loan originations, preferred equity structures, A/B notes, participation interests, and note-on-note financing. She also assists with acquisition facilities, co-lender and intercreditor arrangements, and loan purchases and dispositions through syndications, securitizations, and other structured transactions. Her experience spans CMBS, balance sheet, bridge, and construction loans, providing clients with guidance across numerous financing strategies and structures.

In addition to structuring transactions, Kelsey Byeff assists clients with loan restructurings, workouts, and complex multi-tranche financing arrangements. Her work often involves coordinating lenders, investors, and borrowers in sophisticated deals requiring careful negotiation and documentation. Through her experience in commercial real estate finance, she helps clients manage risk, structure efficient financing solutions, and successfully complete large-scale real estate investment transactions.

Law Office Affiliations

• Partner, Simpson Thacher & Bartlett LLP
• Member, New York State Bar Association

Licensed State

• New York

Education

• Columbia Law School
  Juris Doctor (JD)
• Dartmouth College
  Bachelor of Arts (BA)

Awards & Badges