Professional Profiles


Managing Director, Investment Properties

Dan Rossini joined Newmark Grubb Zimmer in 2017 and currently serves as managing director of investment properties in the company’s St. Louis, Missouri, office. Mr. Rossini specializes in buyer and seller representation in investment transactions with assets ranging from $1 to $25 million both on a regional and national basis. He began his career in commercial real estate in 2005 with Grubb & Ellis/Gundaker Commercial. He has joined Newmark Grubb Zimmer to leverage the global platform and assist in delivering a higher level of investment sales service and expertise to clientele.

Mr. Rossini joined Newmark Grubb Zimmer after serving as a vice president with Colliers International. Prior to Colliers, Mr. Rossini was a director with Cushman & Wakefield/Gateway Commercial.

Mr. Rossini has worked with both public and private REITs, pension funds, investment advisory firms, developers and private investors in the acquisition and disposition of assets. With a focus on both single-tenant net-leased properties and multi-tenant assets, Mr. Rossini has completed sales in the retail, industrial and multi-family markets. He remains focused on his clients’ needs, specifically timing, discretion and risk mitigation, all while maximizing returns.


Top Producer, Cushman & Wakefield/Gateway Commercial, 2012

#2 Producer, Gundaker Commercial, 2010

Top Producer, Grubb & Ellis/Gundaker Commercial, 2008

Largest Volume Sale in a Single Transaction, Grubb & Ellis/Gundaker Commercial, 2008

Highest Volume Total Sales, Grubb & Ellis/Gundaker Commercial, 2008

Top 5 Producer, Grubb & Ellis/Gundaker Commercial, 2006

Largest Volume Sale in a Single Transaction, Grubb & Ellis/Gundaker Commercial, 2006


National Association of REALTORS®

Missouri Association of REALTORS®

St. Louis Association of REALTORS®

Licensed Missouri real estate broker


Big Brothers Big Sisters


Mr. Rossini graduated from Southwest Missouri State University, where he earned a Bachelor degree in business management.



Managing Director, Investment Properties
St. Louis


Newmark Grubb Zimmer

8235 Forsyth Boulevard, Suite 310

St. Louis, MO 63105

T 314.254.4600

D 314.628.0448

M 314.568.4023

Independently owned and operated


Areas of Specialization
  • Seller Representation
  • Buyer Representation
  • Single-Tenant Investment Properties
  • Multi-Tenant Investment Properties
Years of Experience
12 years