Sean Reimer

Managing Director, Capital Markets

Sean Reimer

Managing Director, Capital Markets


Sean Reimer

Sean Reimer serves as a Managing Director for Walker & Dunlop’s New York Capital Markets practice, bringing 13 years of principal side investment experience in both debt and equity transactions. In his role, he focuses on sourcing and structuring debt and equity solutions for all commercial real estate asset classes across the country.

Prior to joining Walker & Dunlop, Mr. Reimer served as a Principal at Square Mile Capital Management where he led the firm’s highest-producing origination team. During his tenure at Square Mile, Mr. Reimer was responsible for the origination of more than $8 billion of debt and equity transactions, resulting in over $2 billion of retained principal investments by the firm. Mr. Reimer gained valuable experience with transaction types such as value-add bridge loans, construction loans, stabilized loans, mezzanine debt, preferred equity, and JV equity across all asset classes and major markets in the U.S.

In his previous roles, Mr. Reimer was a Director at Cantor Fitzgerald in the company’s CMBS lending group, Partner of RL Realty Partners, and Senior Financial Analyst at CBRE.

Mr. Reimer earned his Bachelor of Science in industrial and operations engineering from the University of Michigan with magna cum laude distinction.

Sean Reimer serves as a Managing Director for Walker & Dunlop’s New York Capital Markets practice, bringing 13 years of principal side investment experience in both debt and equity transactions. In his role, he focuses on sourcing and structuring debt and equity solutions for all commercial real estate asset classes across the country.

Prior to joining Walker & Dunlop, Mr. Reimer served as a Principal at Square Mile Capital Management where he led the firm’s highest-producing origination team. During his tenure at Square Mile, Mr. Reimer was responsible for the origination of more than $8 billion of debt and equity transactions, resulting in over $2 billion of retained principal investments by the firm. Mr. Reimer gained valuable experience with transaction types such as value-add bridge loans, construction loans, stabilized loans, mezzanine debt, preferred equity, and JV equity across all asset classes and major markets in the U.S.

In his previous roles, Mr. Reimer was a Director at Cantor Fitzgerald in the company’s CMBS lending group, Partner of RL Realty Partners, and Senior Financial Analyst at CBRE.

Mr. Reimer earned his Bachelor of Science in industrial and operations engineering from the University of Michigan with magna cum laude distinction.

Sean Reimer in the news

Walker & Dunlop

Walker & Dunlop Arranges $238 Million Refinance for Forma Miami

October 15, 2025

Walker & Dunlop

Walker & Dunlop Arranges $110 Million Refinance of Two Premier Multifamily Properties in Loveland, CO and Durham, NC

September 24, 2025

Walker & Dunlop

Walker & Dunlop

Walker & Dunlop Arranges $220 Million Refinance for Class A Jersey City Mixed-Use Multifamily Property

September 15, 2025

Walker & Dunlop

Walker & Dunlop Arranged $170 Million Financing for Class A Mixed-Used Project in Downtown Salt Lake City

June 30, 2025

Walker & Dunlop

Walker & Dunlop Arranges $125 Million Construction Loan for Mixed-Use Property, Cassi in the Miami Design District

June 17, 2025

Walker & Dunlop

Walker & Dunlop Arranges $237 Million Refinance for Premier Mixed-Use, Sleepy Hollow Community

April 15, 2025

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