Garrett D. Lessman

Andrew Graben is an experienced litigator with more than a two decades of experience in state and federal courts across the country. Andrew has successfully represented a wide range of clients, from Fortune 500 companies to growing founder-led businesses. But regardless of the client or the subject matter, he is committed to providing his clients with three core benefits: results, service, and value. Andrew’s practice is focused on business and intellectual property litigation, but he a...

Kristopher L. Reed is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Kristopher L., who practices law in Dallas, Texas, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kristopher L. is held by other top lawyers in the same geographic and legal practice area.

Mr. Chu's practice focuses on U.S. and cross-border M&A, joint ventures, and other strategic transactions for clients ranging from Fortune 500 serial acquirers to private equity funds to high-growth, high-profile technology companies in the United States and abroad. While he has deal experience in a wide range of industries, Mr. Chu's practice is heavily-weighted in the technology sector (including, social media, software, cloud, and data storage). In a scorecard on www.infostor.com, for ...

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...

Alicia Sienne Voltmer is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Alicia Sienne, 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 Alicia Sienne is held by other top lawyers in the same geographic and legal practice area.

Samuel C. Peca is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Samuel C., 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 Samuel C. is held by other top lawyers in the same geographic and legal practice area.

Marcus Helt has a national debtor-focused bankruptcy practice, primarily comprising the restructuring of companies in and out of bankruptcy, debtors' rights, debtor-in-possession financers and acquisitions of distressed assets and companies. His clients are increasingly coming from the energy sector. Marcus is known for his creative, solutions-oriented approach in Chapter 11 proceedings. He has served as Chapter 11 counsel to the following: Dallas Proton Treatment Center, LLC, et al., in thei...

Jordan W. Cowman focuses his law practice on transnational projects and transactions, international agreements, public international law and policy, and corporate compliance. He has a broad range of international experience representing and advising governments and international agencies on policy issues, as well as multinationals in industries including: logistics, technology, transportation, energy, defense, manufacturing, retail, banking, food, aviation, chemical, hospitality, insurance, m...

Shawn C. Helms is co-head of the Firm’s Technology Transactions & Outsourcing Practice. Shawn has broad experience in the areas of information technology, digital health, AI, telecommunications and outsourcing. He focuses his practice on complex transactions involving technology and intellectual property, including business process outsourcing (BPO) and information technology outsourcing (ITO), licensing, cloud computing arrangements (infrastructure as a service (IaaS), software as ...

Richard Schellhammer focuses his practice on construction law and business litigation, with an emphasis on design professional malpractice defense and commercial and residential construction litigation.Richard has experience in all aspects of the construction process, including negotiation and preparation of design and construction contracts, risk allocation, and project management. He litigates and arbitrates disputes involving design and construction errors, delay claims, building performan...