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Internal Audit Department

Contact Us

514 W. Quincy St.
San Antonio, Texas 78212
210-554-2550 (phone)
210-354-9090 (Fraud Hotline)


The Internal Audit Department staff has over 50 years of combined audit and compliance experience. We continue to expand our knowledge by maintaining and obtaining various credentials such as:

  • Certified Public Accountant, CPA
  • Certified Fraud Examiner, CFE
  • Certified Internal Auditor, CIA

Lourdes G. Martinez, CPA
Chief Internal Auditor

Email Lourdes G. Martinez

Rosalia Vielma, CFE
Manager, Internal Audit

Email Rosalia Vielma

Raquél N. Sanchez
Internal Auditor I

Email Raquel N. Sanchez

Sandra Sotelo
Internal Auditor I

Email Sandra Sotelo

Dewana Nelson
Internal Auditor II

Email Dewana Nelson

Construction Bond Internal Auditor I

Christopher Montano
Construction Bond Internal Auditor I
Email Christopher Montano

Janie M. Carrizales
Administrative and Internal Audit Assistant I 

Email Janie M Carrizales



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