The Team
Real Partners
Decades of combined experience. One relentless focus on getting deals done nationwide.
Principal & Co-founder
Relationship Driven. Results Focused.
Over the past three decades, Doyle has worked with leading retail landlords including Brookfield Properties, Simon Property Group, and The Irvine Company. He has contributed to the ground-up development of numerous regional shopping centers and malls, and led leasing efforts for major redevelopments in markets across the country. His portfolio includes Houston Galleria, Baybrook Mall, The Woodlands Mall, Irvine Spectrum, Stonebriar Centre and The Shops of La Cantera.
Doyle also co-founded Nestlé Toll House Café and served as President for 10 years, growing the company from its first location to approximately 150 stores across the United States, Canada, and the Middle East through franchising.
Known for his integrity, clarity of vision, and collaborative approach, Doyle has built trusted relationships across the industry and consistently delivers meaningful results for partners, tenants, and communities.
At New Territory Partners, Doyle brings decades of experience, market insight, and a passion for excellence to every engagement.
Principal & Co-founder
31 Years of Retail Real Estate Leadership.
Greg Vlahos co-founded New Territory Partners to bring institutional-grade retail real estate expertise directly to landlords and retailers who demand results.
Greg brings 31 years of institutional-grade retail real estate experience, including a career-defining tenure as Senior Vice President at Simon Property Group — where he directed leasing across the Southwest Region, overseeing more than 20 million square feet and driving $340 million in annual EBITDA.
At Simon, Greg played a crucial role in leasing the Houston Galleria, the company's premier asset, where he facilitated deals with a diverse range of retailers, from Forever 21 to Prada. This experience equipped him with invaluable insights into the retail landscape across various price points.
His leasing expertise also extended to new developments and expansions at several notable properties, including The Domain, The Shops at Clearfork, La Plaza, Firewheel Town Center, Lakeline Mall, and North East Mall. Additionally, Greg was instrumental in securing the third-party leasing and management contract with UBS for the Dallas Galleria.
Before joining Simon Property Group, Greg worked with JMB, focusing on leasing properties primarily in the Texas market.
He holds a BBA in Finance from the University of Oklahoma.
Outside of work, Greg enjoys golfing, playing pickleball, traveling, cycling, and spending quality time with family and friends.
Leasing & Development Executive
Commercial Properties & Residential Lot Development. Engineering. Entitlements.
Carson Liesenfelt is a Leasing & Development Executive with experience spanning commercial and residential development, engineering, entitlements, design, and construction.
As a licensed Professional Engineer, he has managed more than 2,000 residential lots through multiple stages of development, including single-family communities, townhomes, and master-planned communities across the Dallas–Fort Worth area.
Carson combines a sharp eye for emerging markets with a hands-on approach to deal execution. He works closely with retailers and developers to identify opportunities that align with long-term growth strategies.
His client-first mindset and attention to detail ensure that every transaction is handled with precision — from initial site tour to final lease execution.
Work Directly With the Principals
At NTP, you don't get handed off to a junior rep. Every client works directly with the partners — from first call to closed deal.