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William Trey Cornelius
William Trey Cornelius is a lawyer in Houston, TX who works for Deloitte Tax LLP. Practice areas include Oil, Gas and Energy Resources, Taxation. Licensed in Texas since 2011. Graduated from University of Houston in 2011.
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William Trey Cornelius
Deloitte Tax LLPHouston, TX·14 years licensed
Claim profileContact attorney
William Trey Cornelius is a lawyer in Houston, TX who works for Deloitte Tax LLP. Practice areas include Oil, Gas and Energy Resources, Taxation. Licensed in Texas since 2011. Graduated from University of Houston in 2011.
Law school
University of Houston
Class of 2011
Bar admission
2011
State Bar of TX · #24078371
Office
1111 Bagby St Ste 4500
Houston, TX 77002
Disciplinary
None on record
Clean since admission
Practice, Courts & Credentials
Practice areas2 listed
Oil, Gas and Energy ResourcesTaxation
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Last refreshed Sep 2026