Glenn B. Callison

David H. Estes is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Personal Injury Litigation - Defendants. David H., who practices law in Dallas, Texas, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David H. is held by other top lawyers in the same geographic and legal practice area.

Robert P. Dougherty III is a top attorney recognized by Best Lawyers in the practice area(s) of Oil and Gas Law. Robert P., who practices law in Dallas, Texas, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert P. is held by other top lawyers in the same geographic and legal practice area.

Mack Ed Swindle is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Mack Ed, who practices law in Fort Worth, Texas, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mack Ed is held by other top lawyers in the same geographic and legal practice area.

Construction industry and manufacturing clients turn to Nathan's experience in complex multimillion-dollar construction litigation claims on public and private projects. His command of contract drafting and negotiations in a unique array of commercial matters gives his clients a proactive, seasoned lawyer who focuses on minimizing risks to protect his clients’ needs. He represents developers, contractors, public entities, manufacturers, and subcontractors in all aspects of construction ...

Michael Considine represents clients in connection with significant corporate events, focusing on mergers and acquisitions, carve-out divestitures/acquisitions, joint ventures and corporate restructurings. He has extensive experience in a variety of industries, including consumer products, energy, manufacturing, professional sports teams, real estate, and software and technology. Michael is a founding partner of the Firm’s Dallas office, which opened in July of 2018. Michael has been re...

Sally Helppie is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Sally, who practices law in Dallas, Texas, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sally is held by other top lawyers in the same geographic and legal practice area.

Laci Bowman represents clients in all aspects of family law, including divorce, modification proceedings, premarital and post marital property agreements, suits affecting parent-child relationship, and enforcement issues. Board Certified in Family Law by the Texas Board of Legal Specialization since 2013, Ms. Bowman has extensive experience negotiating difficult settlement agreements or, when appropriate, taking a case through trial. She has tried multiple jury trials, bench trials, and arbit...

Michael Saks is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Michael, who practices law in Dallas, Texas, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael is held by other top lawyers in the same geographic and legal practice area.

John Barcus is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. John, who practices law in Dallas, Texas, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.

Mary McNulty represents corporations and partnerships in IRS audits, appeals, and tax litigation and provides tax planning for partnerships, limited liability companies, and S corporations. She specializes in Federal tax procedural issues, including statutes of limitations, interest, penalties, privilege, and TEFRA partnerships, and in partnership tax issues relating to private equity, oil and gas, wind energy, real estate, and exempt organizations.