Michael Hines and the Hines Real Estate Advisory team is fully supported by eXp Realty, led by Ron Smith and Julie Zeleska.

Patty Mantilla

Project Management/Transaction Coordination

Keeping our team progressing on projects with efficiency and order, as well as maintaining our internal technology, Patty ensures Hines Real Estate Advisory is running with maximized productivity.

Patty joined Hines Real Estate Advisory after managing key projects for the City of Alexandria’s Workforce Development Center. Through her role, she implemented new technological resources and internal processes which greatly enhanced overall team efficiency.

In her current role, Patty manages both internal and external projects, ensuring all vital details remain on track and key stakeholders are kept apprised of any updates, as well as, overall progress. Additionally, she advises on resources to improve productivity and project deliverability, and also provides that ever-crucial internal technology support.

Kevin Sweeney

Kevin provides a breadth of market knowledge, and a deep understanding of data and statistics, ensuring an accurate assessment of market dynamics and value.

Kevin joined Hines Real Estate Advisory with an extensive background in commercial real estate research, focusing on multiple asset types. Kevin possesses an extensive knowledge about the Washington DC metro area, as well as its real estate landscape. As a lifelong Washington DC metro area resident, his understanding of the region provides a distinctive background that meshes with his rich experience in data-driven research.

Prior to joining Hines Real Estate Advisory, Kevin worked in a number of research capacities in the commercial real estate industry. Most recently, he was Senior Research Analyst with Newmark, a leading commercial real estate advisory firm in Washington, DC, where he tracked and reported on commercial real estate data and trends in the Washington, DC metro area and nationally. Researching and writing on the multifamily, office, industrial and capital markets as well as the economy, he provided data-driven market analysis to a wide audience. Kevin also previously worked at CoStar, building a deep understanding of data integrity while tracking statistics and transactions across the commercial and residential real estate markets.

Sue Martinez

Sue is an experienced sales and marketing executive with over 30 years experience as department head with regional & national home builders. Wide scope of experience with expertise ranging from affordable homes to luxury custom sales & design. Consistent record of hiring, training, and motivating top producing sales and marketing teams. Developed award-winning corporate branding for regional builders Edgemoore Homes, Grayson Homes and Pillars Development Group. Created national builder sales and marketing campaigns that increased traffic and increased sales. Under my direction, my organization’s sales & marketing teams have won over 100 awards for excellence in sales volume, marketing, product design and community planning.