Donna Crabtree, CCIM ( email This email address is being protected from spambots. You need JavaScript enabled to view it. )
Donna Crabtree began her real estate journey in 1998, initially investing in properties for herself and her family. Recognizing the need for a deeper understanding of the industry, she earned her Real Estate License in 2003 and became a licensed Broker in 2014.Donna Crabtree began her real estate journey in 1998, initially investing in properties for herself and her family. Recognizing the need for a deeper understanding of the industry, she earned her Real Estate License in 2003 and became a licensed Broker in 2014.
That same year, Donna founded Sophus Properties, a full-service real estate brokerage and property management firm. Drawing on her extensive experience, she built a dedicated team of professionals around her—creating a results-driven, client-focused company known for its integrity, expertise, and commitment to service. As a skilled property manager, Donna has overseen the growth of Sophus into a trusted name in both residential and commercial real estate management.
With over two decades in the industry, Donna has cultivated a diverse client base of real estate investors, homebuyers, and sellers across five continents. Her strategic insight and personalized approach have earned her a reputation for excellence in the San Antonio market and beyond.
She specializes in small to mid-sized apartment complexes, assisted living facilities, and value-add investment properties. Her expertise also includes land evaluation, retail build-outs, redevelopment, fix-and-flip projects, rehabs, small office buildings, and strip centers.
Donna partners with each client to create a tailored investment strategy, offering guidance through every phase of the process—from acquisition and analysis to planning and exit strategies. With a hands-on approach and a clear focus on long-term success, she is dedicated to helping her clients navigate the ever-changing real estate landscape with confidence.
Education:
BS in Finance
Brandon Keshvari ( email This email address is being protected from spambots. You need JavaScript enabled to view it. )
Brandon is a proud Texas native who has made his home in South Central Texas. He began his studies at the University of Dallas and completed his degree in Biology at Texas A&M University–San Antonio. Since earning his real estate license in 2019, Brandon has developed into a well-rounded real estate professional with growing experience in both residential sales and leasing.
He has a proven track record of successfully matching prospective tenants with the right rental homes—guiding them through the entire process from showings to move-in. More recently, Brandon has expanded his focus to include residential sales, bringing the same level of care and attention to helping buyers and sellers navigate the market.
Behind the scenes, Brandon plays an instrumental role in back office operations and administration. He is a core member of the IT team, providing technical support across platforms including Windows, Mac, Android, and various office systems and printers. His strong problem-solving skills and scientific background give him a unique and analytical approach to client service, operations, and property solutions.
Education:
BS in Biology
Amy Harty ( email This email address is being protected from spambots. You need JavaScript enabled to view it. )
Amy Harty brings over 25 years of administrative experience, including many years managing operations for her family’s HVAC business. Since joining Sophus in 2023, she has played a key role as Assistant Property Manager and head of the Maintenance Department. Amy takes great pride in her work, partnering closely with the Sophus Property Management team, property owners, and vendors to ensure both tenants and properties receive the highest level of care. Outside the office, she enjoys spending quality time with family and friends.
Kam ( email This email address is being protected from spambots. You need JavaScript enabled to view it. )
Kam has been a dynamic force in the real estate industry since 2012, rapidly earning his broker’s license and establishing himself as a trusted expert in both commercial and residential property management. In addition to his brokerage credentials, he has been a licensed Texas Professional Inspector since 2017, providing valuable insight into property condition and maintenance planning.
At Sophus Properties, Kam plays a pivotal role in overseeing the operations of the property management division. His responsibilities span tenant relations, owner communications, back office administration, and overall operational efficiency. His leadership ensures that both clients and properties are managed with precision and professionalism.
Kam holds a Master’s degree in Architecture from the University of Texas at Austin and an MBA from Texas State University. He is also a Certified Property Manager (CPM) through the Institute of Real Estate Management (IREM) and holds a Six Sigma Black Belt, underscoring his commitment to operational excellence, process improvement, and client satisfaction.
Outside of his professional endeavors, Kambiz is passionate about spending time with his family and pursuing wildlife photography—a creative outlet that reflects his appreciation for detail, patience, and the natural world.
Education:
M. Arch, MBA