MEET THE EXPERTS

Our Team

The EXPPG leadership team is a collective of intelligent and experienced individuals committed to serving our communities,
employees and investors. Alongside our dedicated team members, we strive to inspire commitment to service excellence
throughout the organization.

Kim Radaker Bays

Founder,
Managing Principal

Matthew Bays

Principal,
Chief Development Officer

Natasha Austin

Chief Operations Officer

Heather Goodell

Chief Financial Officer

Amanda Schwarz

Director of Investor Services

Sterling Worth

Vice President
Finance and Acquisitions

Stan DeMille

Director of Development
and Construction

EXPONENTIAL PROPERTY MGMT. DIRECTOR OF OPERATIONS

Lisa Harris

Lisa Harris is the Director of Operations for Exponential Property Management. In this capacity, she is responsible for driving property performance, monitoring market performance, and providing leadership oversight to a growing team of regional and property managers. 

Lisa has over three decades of experience in multifamily operations and property management. Prior to joining Exponential Property Management, Lisa served as a Regional Director for W3 Luxury Living. In this capacity, she provided directional leadership supporting the businesses property management efforts. She has also held significant regional leadership roles with Monogram Residential Trust, Behringer Harvard, and Lincoln Property Company. 

Lisa studied Advertising and Public Relations at Texas Christian University. She is also a Certified Apartment Manager via the National Apartment Association, as well as a Certified Property Manager via the Institute of Real Estate Management. Lisa is an active member of the Apartment Association of Greater Dallas. 

DIRECTOR OF CONSTRUCTION

Stan DeMille

Stan DeMille is the Director of Construction and Development for Exponential Property Group. In this capacity, he provides strategic leadership and direct oversight to the construction aspects of the firm’s ground-up development and value-add renovation projects.

Stan has nearly three decades of architectural and construction management experience. Prior to joining Exponential Property Group, Stan was a Senior Project Manager for Jones Lange LaSalle where he was directly responsible for managing the ground-up development and redevelopment of Chick-fil-A’s throughout the Southwest. In this capacity, he handled all aspects of development from managing relationships with municipalities, architects, civil engineers, and vendors to ensure timely project completion. He also held various construction and development leadership roles with Bar Louie Restaurants, Lact Call Operating, and Consolidated Development Services. 

Stan holds his Bachelors of Science in Architecture from the University of Texas at Arlington. Stan spends most of his free time with his wife and twin boys. He is actively involved in his sons’ extracurricular activities including theater, rock climbing, and baseball.

VICE PRESIDENT FINANCE AND ACQUISITIONS

Sterling Worth

Sterling Worth is the Vice President of Finance and Acquisitions for Exponential Property Group. In this capacity, Sterling leads all investment sourcing and analysis efforts for the firm, as well as debt and equity raising, and asset management. 

Sterling has nearly two decades of institutional commercial real estate investment experience where he has a multi-billion dollar track record of successful capital placement spanning all commercial real estate asset classes. Before joining Exponential, he spent over a decade with Invesco Real Estate, and several years with Clarion Partners.

Sterling holds his Bachelors of Business Administration from Texas A&M University. Most of his free time is spent with his wife Natalie, his daughter Lily, and son Turner. 

EXIST MULTIFAMILY DIRECTOR OF OPERATIONS

Francis Murphy

Francis Murphy is the Director of Operations for Exist Multifamily. In this capacity, he leads a team of operations, sales, and business development professionals for the materials and graphics businesses, respectively. 

Prior to joining Exist Multifamily, Francis owned and operated a Junior Soccer Club in the United Kingdom. His passion for teamwork, development, sports, and giving back to the community fueled his leadership and propelled his success for over a decade in the profession. Prior to this, Francis was an Operations Manager for one of the United Kingdom’s largest pharmaceutical companies where he managed a large team of professionals and maintained direct responsibility for all supply chain operations. 

When Francis isn’t building the materials and graphics businesses at Exist, you can find him spending time making close friends laugh over a competitive game of Texas Hold’em Poker or traveling. 

DIRECTOR OF INVESTOR SERVICES

Amanda Schwarz

Amanda Schwarz is the Director of Investor Services for Exponential Property Group. In this capacity, she oversees all aspects of capital raises, investor communications, and database management for our Investor Services team.

Prior to joining Exponential, Amanda spent over two decades in various client and office management capacities. She brings extensive management and interpersonal skills alongside her multifamily real estate experience, making her uniquely qualified to lead in her current role. 

Amanda holds a Bachelor’s degree from the University of Illinois. When she isn’t spending time making sure Exponential investors have a top-tier client experience, she loves spending time with her family. She also enjoys hiking with her husband and traveling.

CHIEF FINANCIAL OFFICER

Heather Goodell

Heather Goodell is the Chief Financial Officer for Exponential Property Group and it’s affiliated companies. In this capacity, she is responsible for leading and growing a team that oversees all Accounting and Financial statement reporting, Federal and State tax reporting, Treasury Management services and other supporting areas for the firm’s various lines of business.

Prior to joining Exponential, Heather served as CFO for RealManage where she supported all Finance and Accounting activities, including deep involvement with middle-market M&A activity for the firm.

Heather is a licensed CPA and holds her Masters of Accountancy from Auburn University Harbert College of Business as well as her Bachelors of Business Administration from Florida Atlantic University. She loves to spend her free time with her family, friends, and reading a good book.

CHIEF OPERATIONS OFFICER

Natasha Austin

Natasha Austin is the Chief Operating Officer for Exponential Property Group and Exponential Property Management. In this capacity, she acts as the strategic leader over all property management operations and value-add renovation strategy for the company. 

Natasha has deep domain expertise having spent over two decades in multifamily property management and operations. Prior to joining Exponential Property Group as the Director of Operation in 2015, she led property management efforts in various capacities with DD Fire, Pegasus Residential, Guardian Real Estate Services, and United Apartment Group. 

When Natasha is not leading her team of over 100 professionals at Exponential, you can find her with her husband traveling with her kids who are avid baseball players. She also acts as the Executive Director of the Martha’s Ranch Foundation, a 501c3 created to provide a source of fun and support tailored for families with autistic children.

PRINCIPAL CHIEF DEVELOPMENT OFFICER

Matthew Bays

Matthew Bays is the Managing Principal and Chief Development Officer for Exponential Property Group as well as the Chief Executive Officer for Exist Multifamily, Exponentials materials and graphics company. Matt oversees the identification and execution of new property development opportunities for the firm, as well as leading and growing the multi-million dollar materials and graphics company.

Prior to joining Exponential in 2017, Matt oversaw all U.S. operations for Renew Sleep Solutions where he led all aspects of operations, business development, new site development, and design/implementation of workflow technologies. He also held senior level roles with Davita, Varsity Shoppe, Iron Mountain, Pinogy Corp, and Dell Corporation. 

Matt holds his MBA from Southern Methodist University Cox School of Business as well as his Bachelors of Science from the University of Texas at Austin. When he is not creating new business ideas, or developing new technology, his efforts are directed towards his role as Chairman of the Board for the Martha’s Ranch Foundation, a 501c3 he created alongside his wife to provide a source of fun and support tailored for families with autistic children. When not working, you can find Matt spending time with his wife Kim, son, Jett, or twin step-sons James and Nathan. Matt is an avid traveler and scuba diver.