RH
Roxanne Rittgarn Holmsen
Roxanne Rittgarn Holmsen is a lawyer in Plano, TX who works for Appgate Cybersecurity, Inc.. Practice areas include Business, Intellectual Property. Licensed in Texas since 1985. Graduated from Baylor University in 1985.
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RH
Roxanne Rittgarn Holmsen
Appgate Cybersecurity, Inc.Plano, TX·41 years licensed
Claim profileContact attorney
Roxanne Rittgarn Holmsen is a lawyer in Plano, TX who works for Appgate Cybersecurity, Inc.. Practice areas include Business, Intellectual Property. Licensed in Texas since 1985. Graduated from Baylor University in 1985.
Law school
Baylor University
Class of 1985
Bar admission
1985
State Bar of TX · No. 16956300
Office
3713 Gwinn Court
Plano, TX 75025
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.
- Cyxtera Cybersecurity, Inc. Dba AppgateMAY 2023 — APR 2026In-House/Corporate Counsel
- Appgate Cybersecurity, Inc.AS OF JUN 2026In-House/Corporate Counsel · Plano, TX
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Practice & jurisdiction
Practice areas
- Business
- Intellectual Property
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Last refreshed Jun 2026