Elite, Experienced Professionals

At Ridout Barrett, our professional staff is here to assist you and your business with all of your tax and accounting needs. Not only does our team offer reliable, proactive expertise, but we provide a personalized, strategic approach to your business’s goals.


  • Dustin R. Michalak, CPA, CVA
    Dustin R. Michalak, CPA, CVA Managing Shareholder

    (210) 829-1793 x 229

    Dustin R. Michalak received his BBA in Accounting and Management from St. Edwards University in Austin in 2004. Dustin has been with the firm since graduation and obtained his CPA certificate in 2009. Dustin became a shareholder of the firm in January 2014.

  • Anthony S. Ridout, CPA
    Anthony S. Ridout, CPA Founding Shareholder

    (210) 829-1793 x 212

    Anthony (Tony) S. Ridout received his BBA in Accounting from Southwest Texas State University in 1979.  Upon obtaining his CPA certificate in 1985, Tony opened the firm in 1986.

  • Milton G. Barrett, CPA
    Milton G. Barrett, CPA Shareholder

    (210) 829-1793 x 217

    Milton G. Barrett received his BBA in Accounting from the University of Texas in San Antonio in 1986.  Milton joined the firm in 1988. Upon obtaining his CPA certificate in 1990, Milton became a shareholder of the firm.

  • Kathleen Dvorak, CPA
    Kathleen Dvorak, CPA Shareholder

    (210) 829-1793 x 222

    Kathleen Dvorak attended the University of Texas in Austin and the University of Texas at San Antonio and obtained her CPA certificate in 1988.  Prior to public accounting she spent 15 years in business management.  Kathleen joined the firm in 2004 and became a shareholder of the firm in January of 2011.

  • Melanie C. Geist, CPA
    Melanie C. Geist, CPA Shareholder

    (210) 829-1793 x 254

    Melanie C. Geist graduated from the University of Alabama’s Culverhouse School of Accountancy in 1998.  She later received her Master of Taxation from University of Texas in San Antonio in 2003 and obtained her CPA certificate in 2004.  Melanie became a shareholder of the firm in November 2014.


  • Ramiro Cremar
    Ramiro Cremar
  • Michael Moore
    Michael Moore
  • Gerald Hill
    Gerald Hill
  • Sherry Rodriguez
    Sherry Rodriguez
  • Sharon Houghton
    Sharon Houghton
  • Rebecca Lorenz
    Rebecca Lorenz
  • Mike Fenton
    Mike Fenton
  • Lynda Land
    Lynda Land
  • Cristina Baumgardner
    Cristina Baumgardner
  • Veronica Mangiapane
    Veronica Mangiapane
  • Taylor Ross
    Taylor Ross
  • Phil Wooten
    Phil Wooten

Our Departments


Sherry Rodriguez, Administration Manager
(210) 829-1793 Ext. 250

Ramiro Cremar, IT Manager
(210) 829-1793 Ext. 235


Michael Z. Moore, CPA, CCIFP, Audit Manager
(210) 829-1793 Ext. 252

Tax & Business Services

San Antonio

Michael C. Fenton, CPA, Tax Manager
(210) 829-1793 Ext. 253

Sharon Houghton, CPA, Tax Manager
(210) 829-1793 Ext. 237

Lynda L. Land, CPA, Tax Manager
(210) 829-1793 Ext. 214


Phil Wooten, CPA, Senior Manager
(512) 454-6010 Ext. 302

Taylor Ross, CPA, Tax Manager
(512) 454-6010 Ext. 308

Veronica Mangiapane, CPA, Tax Manager
(512)-454-6010 Ext. 313

Litigation & Valuation

Gerald L. Hill, CPA / CFF
(210) 829-1793 Ext. 205

Rebecca H. Lorenz, CPA / CGMA / CFF, CVA
(210) 829-1793 Ext. 226

Cristina R. Baumgardner, CPA/ABV, CFE, CIA
210-829-1793 Ext. 201

Great Workplace

Learn More About Our Departments

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