We hear over and over again that it feels different to work with us. Why? A uniquely collaborative culture full of passionate people who care more about your success. Our people make the difference.

Our People

LEE SIMMONS

Mr. Simmons is a registered Senior Property Tax Consultant, has been active in the property tax business for more than 30 years. Lee’s father, Jack Simmons, began PTS over four decades ago. Prior to his four years with the Dallas Central Appraisal District, where he also served as Assistant Manager, Simmons was with Arthur Andersen & Co. where he helped establish the property tax department. Prior to that, he was with Arthur D. Little, Inc. in the property tax division. Lee has a master’s in Finance from the University of Texas at Dallas (‘80) and a bachelor’s in Accounting from the University of Texas at Austin (‘79). He is a CPA and is an active Real Estate Broker in Texas. He is a member of the American Institute of CPAs, Texas Society of CPAs, Dallas Chapter of Texas Society of CPAs, Georgia Association of Assessing Officers, Texas Association of Assessing Officers, Dallas Chapter of TAAO, Society of Auditor Appraisers, and International Association of Assessing Officers.

BRIAN BRANDSTETTER

Mr. Brandstetter has represented major property taxpayers for more than 25 years and has worked with jurisdictions in 23 states to control property taxes for his clients. He’s a registered Senior Property Tax Consultant and held positions including consultant, Regional Manager, IT Director, Senior Consultant and Vice President for national consulting firms. Brian holds a bachelor’s degree in Geology from Mesa State in Colorado and a master’s of science in Mineral Economics from the Colorado School of Mines. He was formerly a licensed appraiser in Colorado, and is currently a member of the Texas Association of Property Tax Professionals, Texas Association of Assessing Officers, and the Institute for Property Tax Professionals.

JACKIE DEAN

Ms. Dean has been with Property Tax Service Company for more than 14 years. In that time, she has become directly involved in working on valuations for a large majority of our clients in taxing jurisdictions nationwide. In addition, she handles the filing of our client’s business personal property returns and heads the Missouri office. Prior to working at PTS, she served as office manager in a real estate appraisal company for five years. She has a bachelor’s degree in Business Administration with an Accounting functional major from Central Missouri State University in Warrensburg, Missouri. She is a registered Property Tax Consultant and a member of the International Association of Assessing Officers.

MELANIE DONELSON

Mrs. Donelson joined the P/T/S team in 2020. Melanie started her career in the property tax industry in 2013 at a local appraisal district. She obtained her Registered Professional Appraiser (RPA) certification in 2017 specializing in business personal property and commercial properties. She is an active member of the TAAO Alamo Chapter and is a registered Property Tax Consultant. Her goal is to help forge the professional balance between maintaining the optimal outcomes and achieving client satisfaction when it comes to your property tax needs.

SHILOH FRANK

Ms. Frank has been with Property Tax Service Company since 2003, managing the daily operations of the firm. She oversees the tax bill tracking, receiving, and processing for our clients, working closely with tax jurisdictions nationwide. Shiloh has an Associates degree in Accounting and handles the accounts payable/receivable duties at PTS. She also assists in the filing of business personal property returns and appeals for our clients. Shiloh is a member of the International Association of Amusement Parks and Attractions.

DAVID FUNDERBURG

Mr. Funderburg serves Property Tax Service company clients by assisting with real and personal property tax appeals and administration. He joins PTS with nearly 25+ years of experience in the property tax industry, serving as an appraisal supervisor in the Lamar County Appraisal District in Texas, and as interim chief appraiser for a short time. David graduated from Paris Junior College with an Associates Degree in Business and attended The University of Texas at Arlington. He obtained a Registered Professional Appraiser (RPA) certification from the Board of Tax Professional Examiners in 1995 and is a registered Property Tax Consultant. He is also an active real estate agent in Texas.

DIANA LACKEY

Mrs. Lackey has served Property Tax Service clients, for over a decade, by assisting with property tax assessment and valuation, and overall management. She has more than 25 years of property tax assessment experience and was the candidate endorsed by the Dallas Morning News in the 2004 race for the Dallas County Tax Assessor. Diana recently retired as the Chief Deputy Assessor with the County of San Diego, in California. She was responsible for the assessment roll totaling nearly $400 billion which included over 978,000 taxable real property parcels. She previously served six years as the Assistant Assessor in Santa Clara County, where she directed the operations of the department, with more than 240 employees and $199.8 billion assessed valuation. During her career, she represented the Assessor at conferences, participated as a guest speaker, and acted as the Assessor’s advocate at appeals and appraisal hearings. Diana has a bachelor’s of science in Accounting from San Diego State University, and held an advanced appraisal certification with the California State Board of Equalization.

LISA SHEARIN

Mrs. Shearin joined the P/T/S team in the summer of 2022 to assist with various administrative tasks. She has 18 years prior experience serving in administrative functions across several industries, including boating and marine manufacturing and production, beverage warehouse sales and distribution, postsecondary education, and healthcare emergency management services. Lisa has an Associate of Applied Science Degree with a Concentration in Management from Texarkana College. She is currently working towards completion of the Bachelor of Applied Arts and Sciences Degree with a Concentration in Organizational Leadership offered by Texas A&M University of Texarkana. She is a member of The American Association of Notaries as a Commissioned Notary Public for the State of Texas. When she is away from the office, Lisa enjoys hiking, swimming, and other outdoor activities, along with spending quality time with family and friends.

ZACH SIMMONS

Mr. Simmons is the third generation of property tax consultants having previously been an auditor with Deloitte and worked in financial reporting on the industry side of business. He completed an undergraduate degree in Mechanical Engineering from Texas A&M College Station, as well as a Master of Accounting and MBA from The University of Texas at Dallas. Zach is a CPA and an active real estate agent in Texas. He is a member of the American Institute of CPAs, Texas Society of CPAs, and Urban Land Institute.

SUMMER STEINBACH

Ms. Steinbach joined the P/T/S team in 2021. She spent the prior six years specializing in property tax exemptions and special valuations. She obtained her RPA license in 2018 and is now a registered Property Tax Consultant. Summer helps track and file the renditions, returns, and exemption applications for our clients. Summer graduated from Texas A&M University with a bachelor’s degree in Agribusiness in 2007. Outside of property tax, Summer is an avid horticulturist and enjoys spending time with her cat.