Our Team

Our Team

COMMITTED TO SERVING YOU

The entire TRDI team takes pride in ensuring both our customers and employees find success. The dedication and passion of each team member is unmatched and unwavering no matter the challenge faced. We invite you to get to know the names and faces of our TRDI team and we look forward to the opportunity to build a lasting and prosperous relationship.

Board of Directors

Brenton Moore
Chairman of the Board
Walter E. Ritchie
Board Member
Ben Salinas
Board Member
Roland Tafolla
Board Member
Craig Stong
Board Member

Executive Team

John Michael Rangel
President and Chief Executive Officer
Deyanira Serna, CPA, CPCM
Vice President

Leadership Team

Juan Balanzar
Sr. Operations Manager
Cricelda Cristan
Operations Manager
Chi Kong Wong
Operations Manager
Miguel Nevarez
QC Manager
Charles Rodby
Dr. Enterprise Risk Management
Joe Valdez
General Clerk
Coming Soon
Proposal & Contract Manager

Accounting

Kimberly Klienhampl​

Accounting Manager

Jason Bodker

Benefits/Payroll Administrator

Sandra Silva
Accountant
Meredith Moore
Senior Accountant

HR

Gregory Guetzloe

HR Manager

Jose Garcia
HR Generalist
Ivette Cedillo
HR Generalist
Anthony Ortiz
HR Recruiter
Coming Soon
HR Generalist
Diana Rios
Case Manager
Devyn Caballero
HR Generalist

John Michael Rangel

President and Chief Executive Officer
As President and CEO of TRDI since February 2017, John Rangel provides leadership and guidance to more than 320 AbilityOne-eligible employees and 120-plus support employees throughout Texas, New Mexico, Kansas, Georgia, Kentucky, Mississippi and Florida. His passion is providing life-enriching opportunities for disabled employees and clients by empowering each with a firm foundation on which to build an enduring, sustainable career.
Before joining TRDI in 2008, John worked for Merrill Lynch Capital and Jones, Hill, McFarland & Ellis where he underwrote and performed due diligence on multi-million-dollar real estate transactions for institutional investors. He has more than 19 years of experience in government contracting, construction, and real estate. As a licensed real estate broker, he is active in the International Facility Management Association; the Information Systems Security Association (ISSA), the worldwide cleaning industry association; and the National Association of Realtors. John holds a Master’s degree in Land Economics and Real Estate and a Bachelor of Science degree in Construction Science, both from Texas A&M University. He is a dedicated family man who actively supports his children in their extracurricular activities and volunteers regularly with the Brighton Center.

Deyanira Serna, CPA, CPCM

Vice President
Deyanira (Deya) Serna is Vice President of TRDI, serving as the organization’s ethics officer and ensuring the seamless alignment of phase-in and procedural systems, as well as governance over the requirements of the Federal Acquisition Regulation (FAR) for each contract. She is directly involved in the leadership and application of best practices on governmental and commercial contract price proposals, negotiations, establishing and auditing of budgets, financial analysis, and reporting for all government and commercial contracts. Additionally, she oversees the finance, human resources, operations, and business development divisions, thus developing workforce action plans across all divisions. Deya also develops and implements plans for the operational infrastructure of systems and processes.
With nearly 30 years of experience in the finance and audit industries, including prior experience in public accounting and internal/external audits of government and not-for-profit entities, Deya ensures all TRDI resources, including finances and personnel, are optimized and meet rigid cross-state logistical requirements. Prior to joining TRDI, she was an internal auditor for two school districts and a CPA for a public accounting firm. She is a member of the American Institute of Certified Public Accountants; National Contract Management Association; Society for Human Resources Management; and Rotary Club of San Antonio North Central. Deya holds a Bachelor’s degree in Business Administration, and is a licensed real estate sales agent. She is a devoted wife and mother to her four children and enjoys reading, traveling, and exploring new restaurants and cuisines.