Sean Reimer

Senior Managing Director, Capital Markets | Co-Head of Institutional Advisory

Sean Reimer

Senior Managing Director, Capital Markets | Co-Head of Institutional Advisory


Sean Reimer

Sean Reimer is a senior managing director of Capital Markets and co-head of Institutional Advisory at Walker & Dunlop and is based in New York, New York. In this role, he is responsible for sourcing and structuring debt and equity solutions across all commercial real estate asset classes nationwide. He has more than 13 years of principal-side investment experience in debt and equity transactions.

Prior to joining Walker & Dunlop, Reimer served as a principal at Square Mile Capital Management, where he led the firm’s highest-producing origination team. During his tenure, he originated more than $8 billion in debt and equity transactions, resulting in more than $2 billion of retained principal investments by the firm. His experience spans value-add bridge loans, construction loans, stabilized loans, mezzanine debt, preferred equity, and joint venture equity across major U.S. markets. Before that, he served as a director in Cantor Fitzgerald’s CMBS lending group. Earlier in his career, he was a partner at RL Realty Partners and a senior financial analyst at CBRE.

Reimer earned a bachelor’s degree in industrial and operations engineering from the University of Michigan, graduating magna cum laude.

Sean Reimer is a senior managing director of Capital Markets and co-head of Institutional Advisory at Walker & Dunlop and is based in New York, New York. In this role, he is responsible for sourcing and structuring debt and equity solutions across all commercial real estate asset classes nationwide. He has more than 13 years of principal-side investment experience in debt and equity transactions.

Prior to joining Walker & Dunlop, Reimer served as a principal at Square Mile Capital Management, where he led the firm’s highest-producing origination team. During his tenure, he originated more than $8 billion in debt and equity transactions, resulting in more than $2 billion of retained principal investments by the firm. His experience spans value-add bridge loans, construction loans, stabilized loans, mezzanine debt, preferred equity, and joint venture equity across major U.S. markets. Before that, he served as a director in Cantor Fitzgerald’s CMBS lending group. Earlier in his career, he was a partner at RL Realty Partners and a senior financial analyst at CBRE.

Reimer earned a bachelor’s degree in industrial and operations engineering from the University of Michigan, graduating magna cum laude.

Sean Reimer in the news

Walker & Dunlop

Walker & Dunlop

Walker & Dunlop Arranges $110 Million Refinancing for Two Multifamily Properties in Stafford, Texas

October 14, 2026

Walker & Dunlop

Walker & Dunlop

Walker & Dunlop Arranges $203 Million in Financing for East Village Mixed-Use Multifamily Property

October 13, 2026

The Real Deal

Walker & Dunlop

Olnick lands $171M loan for Lenox Terrace

October 2, 2026

Yield PRO

Walker & Dunlop

Walker & Dunlop Arranges 75M Freddie Mac Refinance Loan for Saint Petersburg Florida Multifamily High-Rise Apartments

October 1, 2026

REBusiness Online

Walker & Dunlop

Walker & Dunlop Arranges $238M Refinancing for Landmark South Apartments in Doral, Florida

September 30, 2026

Walker & Dunlop

Walker & Dunlop

Walker & Dunlop Arranges $238 Million Refinancing for Miami Multifamily Community

September 28, 2026

Deals Closed

Lenox Terrace
Terrazul Miami
EVO St. Petersburg
The Landmark South
40 Tenth Avenue
Sundy Village
Park Tower
The Caspian
2 South Main
12 Halsey Street
Bell Works Fort Monmouth
295 Fifth Avenue
JFK Boulevard
ATL II Portfolio
The Arno
Brewers Block
125 West 57th
Multifamily Portfolio
Williamsburg Wharf
The Madison at Copperleaf
The Mark Hotel
Fillmore at Copperleaf
Strata Portfolio
The Ritz-Carlton Savannah
Multifamily Community
101 West End Avenue
The Quaye at Palm Beach Gardens
450 Lexington Avenue
Alexander Crossing
111 Wall Street
80 Wharf Way
Greenpoint Central

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