John L. Elwell, CPA & JD

(214) 739-7100

Phone Number

Melissa Serpa, Controller


For over 10 years, Melissa has managed all of the firm’s business and client operations. In addition, she works directly with IRS, TWC, and DCAD personnel. Bi-lingual, Melissa provides verbal and written translation for clients who are most comfortable with the Spanish language.

Ellen Elwell, Editor

Blog Editor

A nationally known marketing executive and copy creative, Ellen enjoys bringing helpful ideas to our clients through twitter and facebook.

CPA Admission

Texas, August 1974
Certification Status: Current

Bar Admission

Texas, July 1974
Certification Status: Current

Association Memberships

  • Texas Society of CPAs (TSCPA)
  • State of Texas Bar Association
  • Phi Delta Phi — Legal Honorary
  • Better Business Bureau

Continuing Education

Annual completion of Continuing Education Credits for both CPA and Bar Association certification renewals via seminars, self-study, online classes, and industry presentations.


Juris Doctorate
University of Oklahoma School of Law
Norman, OK
Focus: Tax Law

Bachelor of Arts
University of Michigan
Ann Arbor, Michigan
Focus: Economics & Accounting


  • Deloitte — CPA partner
  • Bank of Texas — VP, Taxes
  • Grant Thornton — preparer/entry-level

Outside the Office

  • Volunteer: Legal Aid; Big Brothers Big Sisters of America
  • Honorary: Phi Delta Phi (Legal Honorary); Phi Beta Kappa
  • Interests: Family; Opera; Fishing; Horse Racing