Meet The Team


We invest in our clients by developing and providing the best knowledge, expertise and technology to create and execute their business plan and securing investments in commercial real estate. Sellers of multifamily properties that utilize our proven marketing platform and Regional Sales Specialists, generally obtain higher net proceeds at closing. 

Founded by Logan Waller in 2003. The Waller Group sales team at RE/MAX About Dallas was consistently ranked within the top 20 teams in the nation by the Wall Street Journal from 2008-2013. In 2010 Waller Group became an independent brokerage. In 2016 Waller Group’s primary focus became multi-family investment sales. Since 2019 Waller Group has been consistently growing throughout the US.

With a background in sales and a Bachelor of Science in Economics from Texas Christian University, Kevin has a strong basis for multifamily investment sales. His studies in analysis give him the ability to underwrite deals with the highest level of accuracy. He is a licensed TX real estate agent and has been with Waller Group since 2017. Kevin has been instrumental in facilitating training for Junior Associates.

Andrew Wright

Andrew graduated from the University of Arkansas where he received a Finance degree with a focus on Investments. He has been with Waller Group since March of 2019 – before joining the team, he worked for an investment group that specialized in risk management and asset allocation. His background in analytics and passion for investments has helped grow Waller Group across the southeast United States. His regional territory includes: Oklahoma, Arkansas, Louisiana, Mississippi, Alabama, and Tennessee.

Wade Sivess

Wade’s territory as Waller Group Regional Specialist encompasses Michigan, Indiana, and Ohio markets.  Wade Sivess loves the opportunity to grow and learn with his teammates. At a young age Wade was immersed in real estate, from attending property showings with his grandmother, to helping his parents renovate rent houses he was always interested in learning more about the industry. Born and raised in Waco, Texas he attended Midway High School and Baylor University. He graduated Cum Laude from Baylor with a degree in Marketing/Sales. He was named after his grandfather, Wade Herring, who was a B-52 bomber pilot in WW2. His grandfather taught him the value of respect and hard work. Wade has an eagerness and willingness to learn that helps separate himself from his peers. When not in the office Wade enjoys being outdoors. His hobbies include; boating, wake surfing, watching sports, hunting and fishing. Wade was awarded Waller Group’s rising star award Q1 of 2021

Preston Browne

Preston Browne was born and raised in Dallas, Texas. Browne’s relentless passion for Sales and Real Estate lead him to graduate from Texas Tech University with a Bachelor of Marketing along with a Concentration in Sales. Before joining Waller Group Properties, Browne worked with AT&T in Global Project Management where he served as the customer’s primary advocate throughout a contractual obligation to implement AT&T products and services.  Currently, Browne’s role with Waller Group Properties stands as the Regional Specialist for Virginia and West Virginia where he combines his degree and Project Management experience to assist clients by maximizing their investment returns. In Browne’s free time he enjoys playing golf, watching sports, hunting and fishing. Preston also was awarded Company Rising Star award in 2021.

David Tello

David is a first-generation college graduate, received his bachelor’s in finance with concentration in real estate from Texas Tech University. David prides himself on his skills of creating value for owners of multifamily investment. David joined The Waller Group in 2021. His undergraduate studies provided him with the ability to analyze and forecast commercial investments. He uses his knowledge of income approach analysis to help operators optimize their property performance increasing their valuations. His territory includes Arizona, New Mexico, Nevada, and the Rio Grande Valley. David enjoys playing golf and tennis when he is not working.

Zach Currey

Zach is responsible for South Texas markets and oversees the valuation team. Zach is involved in underwriting, market research, lender relationship management, and asset management. Zach has diverse experience and has been involved in the acquisition, development, and disposition of over $3 billion in real estate assets throughout the nation in a variety of asset classes. His background includes underwriting, analysis, and asset management of industrial, office, retail, farm, marina, and multifamily assets. Zach is known for being detail-oriented.

Blake Swift

Blake graduated from Texas Tech University in 2021 with a Bachelor's degree in Marketing and Management. As an Associate, he currently serves the Minnesota-Wisconsin-North Dakota-South Dakota market. His experience in sales and service, as well as his competitive nature, serve him well in his role with Waller Group. Throughout his time at Waller Group, Blake has shown a strong aptitude for building relationships with clients and has continuously met or exceeded expectations. He contributes this to his understanding of the importance of hard work and making a conscious effort to learn. In his free time, Blake enjoys watching sporting events and spending time outdoors. 

connor biernat

Connor is a Columbus, Ohio native and graduate of Skidmore College with a major in Management & Business and minor in Economics.  He was a 4-year starter on the Men’s Tennis Team at Skidmore and helped lead the team to multiple conference championship victories and NCAA tournament berths.  Before joining Waller Group, Connor worked in Investments and Business Development at multiple companies during high school and college.  His prior work experiences have provided Connor the necessary skills to analyze properties and forecast investments in the real estate industry.  Connor currently works in the Southeast markets of Kentucky, Tennessee, and Arkansas.  During his free time, Connor enjoys fishing, hunting, tennis, golf, and spending time with friends and family.      

Conor o'brien

Conor is a Burlington, Vermont native and graduated Magna Cum Laude from Saint Joseph's University majoring in Finance & Real Estate. While attending SJU, Conor served as the Vice-President of the schools Real Estate Society, and President & Captain of the Men's Club Basketball team. Conor currently works in the Midwest markets of Michigan, Indiana, and Ohio. Conor's competitive nature and eagerness to learn aids him in adapting to the changing markets and providing value to the team. Outside of the office, Conor enjoys being outdoors, playing basketball, and spending time with his family.

Zack Del Medico

Zack recently graduated from Texas Christian University where he majored in Finance with a Real Estate concentration. He is a Sarasota, Florida native and acquired his Florida real estate license in 2019. Prior to joining Waller Group Properties, Zack interned with a development corporation where he assisted with site acquisition, initial feasibility, planning, development and construction for single tenant retail projects. Zack’s knowledge of the commercial real estate space combined with his competitive drive and unwavering work ethic allow him to consistently meet his clients needs and exceed their expectations. In his free time Zack enjoys playing basketball and golf with his friends, as well as spending time with his family.

Administrative Team

Christian foster

Christian is originally from Longview, TX. She attended Stephen F. Austin State University in Nacogdoches, TX. Christian's professional background is in management and leadership roles where she honed her skills in team building and leadership. Christian then transitioned to Dallas, TX where she joined Waller Group as Human Resources Director. On the Waller Group team, Christian oversees the talent acquisitions processes and refines our internal policies and procedures. Her attention to detail, persistence, and high level of organization serves her well in her role. Christian's goal is to make a significant contribution to our company growth and to foster a happy and healthy company culture. 

Lavonne Rhine

Lavonne is a licensed real estate  broker and has an Associates of  Science Degree from Richland College.  She has been in the real estate industry since 2006 and continues to provide peerless customer service and attention to detail for contract administration throughout the escrow process, Lavonne has assisted with closing over 1,000 transactions. Lavonne is dedicated to providing service and expertise that make each transaction as seamless as possible.

Emily Drewery

Emily is originally from Rockwall and has a Bachelor of Science in Finance and Biology. After graduating from Dallas Baptist University, Emily worked in the Title industry - first as a Business Development Manager and then as an Escrow Assistant.  Emily originally joined the Waller Group team as a Transaction Coordinator at the beginning of 2022 before transitioning to her role as Operations Manager in 2023. On the Waller Group team, Emily oversees marketing procedures, develops and implements training systems, and maintains daily business functions.

Joe behringer

Joe was born and raised in Waco, TX and is a graduate of Baylor University with a Bachelors Degree in Finance. Joe grew up in the commercial real estate industry and moved to Dallas to pursue multifamily investment. He originally joined the Waller Group as a member of the sales team before transitioning to the Financial Analyst role. His background as a Regional Specialist has given him experience that makes him a valuable member of the Analyst team. Joe's determination and eagerness to learn allows him to excel at whatever he puts his mind to. When he is not in the office, he enjoys playing guitar, hunting, fishing, taking his dog on walks, and spending quality time with family and friends. 


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waller group: (214) 256-3307

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