Jennifer Guillen Joins Stream Realty Partners as Regional Managing Director of Property Management
Stream Realty Partners has named Jennifer Guillen as Regional Managing Director of Property Management, the national commercial real estate firm announced Aug. 12, 2026. Based in Stream's Atlanta office, Guillen will oversee property management operations across Georgia and Florida, supporting both the office and industrial portfolios.
Role and Responsibilities
In her new position, Guillen will lead regional property management teams, strengthen client relationships, and drive operational performance as Stream continues to expand its property management platform throughout the Southeast.
Simon Arpiarian, Executive Managing Director and Partner at Stream, cited Guillen's background as a fit for the firm's growth plans.
"Jennifer is an accomplished leader with a proven track record of building high-performing teams and delivering exceptional results for clients," Arpiarian said. "Her depth of experience, collaborative leadership style, and commitment to operational excellence make her an outstanding addition to our team. We are excited to welcome her to Stream as we continue expanding our Property Management platform across the region."
Guillen's Background and Experience
Guillen brings more than 20 years of commercial real estate experience, with a leadership background spanning office, retail, and industrial asset classes. Prior to joining Stream Realty Partners, she held roles at Taurus Investment Holdings, MDH Partners, GLP Group, CBRE, and Prologis, progressively advancing into positions overseeing institutional commercial real estate portfolios across multiple U.S. markets. Her experience includes oversight of more than 66 million square feet of industrial real estate.
Throughout her career, Guillen has focused on portfolio strategy, financial performance, operational excellence, and team development.
"What drew me to Stream was the people and the culture," Guillen said. "From my first conversations with the team, it was clear that Stream values collaboration, relationships, and delivering exceptional service. I'm excited to support our teams across Georgia and Florida, strengthen our client partnerships, and build on the strong momentum already in place."
Market Context: Office and Industrial
The hire comes as commercial real estate markets continue to normalize. Office demand has only recently turned positive after a prolonged period of occupancy losses, with leasing activity improving to its strongest level in three years nationally, though average lease sizes remain roughly 15% smaller than pre-2020 levels. The recovery has been characterized by a continued flight to quality, with modern Class A buildings outperforming older product.
Industrial markets have shown more consistent momentum. Industrial leasing rose 14% in the first quarter of 2026, with full-year forecasts pointing to more than 1 billion square feet of activity — which would represent a record — driven by demand from third-party logistics providers and manufacturing users. Even so, industrial asking rents have been essentially flat year over year, and the market is still normalizing after a supply-cycle peak.
Against that backdrop, firms with large institutional client bases have increasingly treated property management as a strategic business line, with owners focused on retention, operating efficiency, tenant experience, and asset positioning.
About Stream Realty Partners
Stream Realty Partners is a national commercial real estate firm headquartered in Dallas, offering an integrated platform of leasing, investment, and development services. The firm's service lines include tenant and landlord representation, property management, capital markets, investment management and sales, construction and project management, and dedicated research, among others. Founded in 1996, Stream has grown to more than 1,550 professionals and completes annual transactions valued at more than $11.5 billion across office, industrial, retail, healthcare, land, and data center properties, with operations in core markets coast to coast.