W. Cullen "Cullen" McMahon

Mandi Phillips, Senior Attorney, primarily focuses on commercial and intellectual property litigation. She has experience litigating matters in both state and federal courts at both the trial and appellate levels. Mandi has represented clients (plaintiffs and defendants) in a wide variety of matters including general business litigation, energy, oil and gas, premises liability, product liability, personal injury, securities actions, and intellectual property matters including trademark and co...

Jerry Fellows prepares and implements intellectual property protection and enforcement strategies that help clients achieve their business goals. His practice includes acquiring and enforcing United States and foreign patent rights, particularly for alternative energy innovations, sustainable technologies, software, Internet, business methods, seismic detection systems, and electrical, mechanical, biomedical and electromechanical technologies. Jerry also has experience patenting material scie...

Brenda T. Cubbage is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation, Construction Law and Litigation - Construction. Brenda T. practices law in Dallas, Texas Best Lawyers has recognized Brenda T. Cubbage since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Brenda T. Cubbage is held by other lawyers.

Ron Chapman, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management, Labor Law - Management, and Litigation - Labor and Employment. Ron, who practices law in Dallas, Texas, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ron is held by other top lawyers in the same geographic and legal practice area.

Sharon S. Millians represents clients in transactions in all areas of real estate ownership, real estate-based financing, and development of various real estate products, including office, hotel, resort, retail, ranch land, industrial and multi-family uses. She also has represented various clients in the acquisition of millions of dollars of troubled asset portfolios consisting of real estate, loans, and other assets. Additionally, Ms. Millians’ practice includes representation of clien...

Gordon Russell, a founding Director of the Firm, is a member of the Financial Services Practice Group and of the Business and Corporate Transactional Practice Group. Gordon has concentrated his practice on banking and financial institutions, business and corporate, real estate and resolution of distressed assets. He has extensive experience in commercial lending, real estate development and finance, and business transactions. Gordon also maintains a regular general business practice, includin...

Cheryl E. Diaz is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Cheryl E. practices law in Dallas, Texas Best Lawyers has recognized Cheryl E. Diaz since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Cheryl E. Diaz is held by other lawyers.

Billie focuses his real estate and corporate practice on a broad spectrum of private equity, financial, commercial, and real estate transactions that includes the acquisitions, financing, development and sale of all types of properties and companies. Learn more about their practice.

Pat Wielinski practices in the areas of construction, insurance coverage and risk management. He provides advice on risk management issues and programs, integrating insurance, contract documents and project relationships to manage and transfer risk for his clients. He also counsels clients as to insurance coverage and contractual risk transfer disputes, having been involved in insurance coverage claims for defective workmanship for over 35 years. At the same time, his practice involves commer...

Michael C. Titens is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Mergers and Acquisitions Law. Michael C. practices law in Dallas, Texas Best Lawyers has recognized Michael C. Titens since 2013. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Michael C. Titens is held by other lawyers.