J.D. Parker

New York, NY

J.D. Parker serves as executive vice president and chief operating officer of Marcus & Millichap. He was promoted to COO of the firm in 2025, following his service as chief operating officer of the Eastern Division since 2019. In this role, Mr. Parker works closely with the firm’s executive leadership to shape strategic direction and oversee all brokerage-related operations.  

He began his career at Marcus & Millichap in 2004 as an investment sales agent, earning both the Rookie of the Year and a Sales Recognition Award in his first year. He later held leadership roles including sales manager, regional manager for the New York Tri-State Area, division manager for the Northeastern US, and COO of the Eastern Division. Over the course of his tenure, he has overseen the opening of several offices, led the acquisition of multiple investment firms, and spearheaded the firm’s expansion into Canada. 

Mr. Parker holds a bachelor’s degree in operations and information systems management from Pennsylvania State University.