Our Team

Jack Allen III started his real estate career in June 2013, following in his dad's footsteps. In his first six months of business, Jack closed over $4,000,000 in transactions as both a buyer and seller agent for residential and commercial transactions. ...read more

Jennifer Sims is a connector of people and a tireless problem solver. Add in a constant curiosity for home features, interiors and finding a great deal, and you have a REALTOR® who is genuinely interested in helping clients successfully navigate each decision in their real estate journey. ...read more

Since the start of his real estate career, Brian has had the opportunity to close numerous residential transactions for clients from all walks of life, some looking for their first home, and others that are seasoned investors. ...read more

Liz Rookstool

Licensed Transaction Coordinator


TREC Information About Brokerage Services

As a resident of The Woodlands for the past ten years, Liz Rookstool loves the community and has a strong interest in walking alongside clients as they navigate the unique steps in their real estate journey. Liz recognizes that real estate transactions are deeply personal, and so she strives to provide a caring, professional, and full-service experience for each client. ...read more

Joel Wren brings a highly personalized approach to buying, selling, renting, and investing in real estate. He seeks first to understand the unique needs of each client and then goes to work to provide a best-in-class real estate experience. As your REALTOR®, Joel is focused on serving you with dedicated communication, professionalism, and excellence. ...read more

Nathan Reeves was born in Houston, TX, and grew up in nearby Cypress. After graduating from Cy-Fair High School, Nathan attended the University of Houston where he earned a music education degree in 2012 and spent the next six years teaching middle school bands. ...read more



There’s no better word to describe the core element of every interaction, relationship, and transaction that develops with our clients. Trust is the foundation of our shared success, and it’s what sets us apart from other Realtors and Brokers.

Every member of the Allen | Sims Real Estate Group works tirelessly to earn your confidence by ensuring excellence in each step of the process, by drawing on decades of industry experience, and by taking a highly creative approach to buying, selling, leasing, and investing in real estate.



When you work with us, you’re supporting a locally-owned business. Our real estate team and our brokerage are headquartered in The Woodlands, TX. There’s no greater honor for us than to serve and support the community and residents of our hometown. We actively partner with individuals and organizations throughout our area in ways that honor relationships, strengthen families, maximize investments, and build up our community.  


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