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Texas Dental Association: Helping Every Member Succeed

TDA connects dentists with each other, with patients, and with resources for life and career. TDA is a professional membership organization for dentists, and the 3rd largest state dental association in the US. The TDA is part of a tripartite affiliation with the American Dental Association at the national level, and component societies at the local level. The Association has more than 9,200 members, and is composed of 26 local component dental societies, grouped into 4 divisions across Texas.

TDA News

TDA Names Dr. Greta Zeimetz as New Executive Director to Propel Association into the Future

Jul 18, 2025

The Texas Dental Association (TDA) is thrilled to announce the appointment of Dr. Greta Zeimetz, DBA, CAE, SHRM-SCP, as its new Executive Director, effective July 28, 2025. Dr. Zeimetz is a visionary leader whose extensive experience in association management and strategic development is set to launch TDA into a new era of success, empowering members and elevating the dental profession across Texas.

A Proven Leader with a Track Record of Success

Dr. Zeimetz brings over 20 years of executive leadership, guiding multimillion-dollar organizations to achieve remarkable growth and operational excellence. Her career is marked by a series of transformative leadership roles where she consistently delivered exceptional results:

  • As Interim Executive Director for American Mensa, she revitalized a $4.5M operation by enhancing operational efficiency, strengthening board governance, and fostering significant staff engagement.

  • Serving as Executive Vice President for the American Association of Professional Landmen, she commanded a $10M budget and a 30-person team, expertly streamlining expenses by more than $3M while improving services.

  • During her tenure as CEO of the National Association of Legal Assistants, she doubled education revenue, launched over 20 advanced certification programs, and modernized systems to dramatically enhance member value.

  • As Director of Education and Research at the National Association of Tax Professionals, she grew non-dues revenue from $2.6M to $4.5M in just five years by delivering impactful education programs for 25,000 members.

Her academic credentials include a Doctor of Business Administration, an M.S. in Management and Organizational Behavior, and a B.A. in Communications, complemented by prestigious certifications as a Certified Association Executive (CAE) and a Society for Human Resource Management - Senior Certified Professional (SHRM-SCP).

A Strategic Vision for TDA's Future

Dr. Zeimetz’s leadership will be pivotal in advancing TDA’s mission to deliver unparalleled value to its members. Her strategic vision is centered on direct benefits for Texas dentists, with a focus on:

  • Expanding Continuing Education: Tailoring professional development opportunities specifically for the needs of Texas dentists.

  • Strengthening Advocacy: Amplifying TDA’s voice to effectively influence oral healthcare policy at all levels.

  • Driving Innovation: Championing forward-thinking initiatives like our member-owned insurance company.

  • Ensuring Financial Strength: Leveraging her proven ability to grow non-dues revenue and implement cutting-edge technology to provide robust resources that support the success of every member's practice and community.

Acknowledging a Seamless Transition

The TDA Board of Directors extends its profound gratitude to the Executive Director Search Committee, chaired by Dr. Glen D. Hall, for their diligent and comprehensive national search. We also offer our sincere thanks to Dr. Ho for his outstanding leadership as Interim Executive Director and to TDA’s dedicated staff, whose unwavering commitment to excellence has ensured a seamless transition.

With Dr. Zeimetz’s visionary leadership, TDA is poised to achieve new heights. Please join us in extending a warm Texas welcome to Greta as she begins this pivotal role.

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