AttorneyMary Katherine Decker● 39 total views
MD

Mary Katherine Decker

Decker Guerra PLLC·19 years licensed

Mary Katherine Decker is a lawyer who works for Decker Guerra PLLC. Practice areas include Administrative and Public, Oil, Gas and Energy Resources. Licensed in Texas since 2006. Graduated from Texas Tech University in 2006.

Claim profileContact attorney
Law school
Class of 2006
Bar admission
2006
State Bar of TX · No. 24056142
Office
—
Disciplinary
None on record
Clean since admission
MD

Mary Katherine Decker

Decker Guerra PLLC
19 years licensed
Claim profileContact attorney

Mary Katherine Decker is a lawyer who works for Decker Guerra PLLC. Practice areas include Administrative and Public, Oil, Gas and Energy Resources. Licensed in Texas since 2006. Graduated from Texas Tech University in 2006.

Law school
Bar admission
2006
State Bar of TX · No. 24056142
Office
—
Disciplinary
None on record
Clean since admission
Career history

2 observed firms

Based on State Bar of Texas snapshots — each row is a firm the attorney was registered with at one of our quarterly pulls.

  1. Unknown firmAS OF MAY 2023
    Government Lawyer ·
  2. Decker Guerra PLLCAPR 2026 — PRESENT
    Government Lawyer
Case data

Case data

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Practice & jurisdiction
Practice areas
  • Administrative and Public
  • Oil, Gas and Energy Resources
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Last refreshed Jun 2026