JD
John N. Dinan
Dallas, TX·43 years licensed
John N. Dinan is a lawyer in Dallas, TX. Practice areas include Business, Finance, Real Estate. Court admissions include Texas Northern District Court. Licensed in Texas since 1982. Graduated from New York Law School in 1982.
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Law school
Bar admission
Office
Disciplinary
JD
John N. Dinan
Dallas, TX·43 years licensed
Claim profileContact attorney
John N. Dinan is a lawyer in Dallas, TX. Practice areas include Business, Finance, Real Estate. Court admissions include Texas Northern District Court. Licensed in Texas since 1982. Graduated from New York Law School in 1982.
Law school
New York Law School
Class of 1982
Bar admission
1982
State Bar of TX · No. 5883500
Office
2000 McKinney Ave, Suite 2100
Dallas, TX 75201
Disciplinary
None on record
Clean since admission
Career history
3 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.
- Preston Hollow Capital, LLCAS OF MAY 2023In-House/Corporate Counsel · Dallas, TX
- Unknown firmAS OF APR 2026In-House/Corporate Counsel
- Unknown firmAS OF JUN 2026In-House/Corporate Counsel · Dallas, TX
Case data
Case data
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Practice & jurisdiction
Practice areas
- Business
- Finance
- Real Estate
- Securities Law
Courts admitted
- Texas Northern District Court
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Last refreshed Jun 2026