Playing Defense at 30(b)(6) Depositions (2026 Edition)

With over three decades of construction, environmental, and real estate litigation experience, Mark Johnson brings seasoned leadership to complex legal challenges. He has served as lead counsel in over 30 jury trials, bench trials, and high-stakes arbitrations, handling disputes across construction, environmental compliance, land use, landlord-tenant issues, oil and gas, real estate, and toxic torts. A trial lawyer, engineer, arbitrator, and mediator, Mark brings a distinctive engineering background to his legal practice, having worked as an engineer for the California Geologic Energy Management Division prior to entering the law.

Sarah Rawls is a member of Butler Snow’s Commercial Litigation and Data Privacy & Security groups, where she represents a diverse range of companies, including manufacturers, distributors, and service providers, in complex disputes from inception through resolution. Her practice spans the full litigation lifecycle, beginning with pre-suit investigations and advising, strategic risk assessments, and early dispute resolution, and extending to serving as trial counsel in courtrooms and arbitration hearings. Sarah routinely handles cases in federal and state courts nationwide as well as in arbitration tribunals, with a practice centered on contract disputes, data privacy and cybersecurity matters, class actions, and insurance coverage and bad-faith claims.

David Gregory Mayhan is a member of Butler Snow’s Tort, Transportation, & Specialized Litigation Group, with a practice concentrated in commercial litigation, construction law, insurance, personal injury, and product liability defense. Practicing law since 1985, he has achieved defense verdicts across construction, personal injury, and commercial law trials and arbitrations. He previously served as a partner in a Denver boutique litigation firm and, prior to that, as a senior attorney for a Fortune 500 insurance company, where his responsibilities included litigation and supervising outside counsel in litigation.

Natalie DuBose is a Partner in Haynes Boone’s Dallas office and an insurance-recovery professional who has successfully represented a number of businesses—large and small—under all types of commercial insurance policies, including directors and officers, commercial general liability, property, errors and omissions, builder’s risk, fidelity, and cyber. With a decade of experience helping businesses navigate complex insurance disputes, Natalie has developed a business-oriented approach to insurance recovery and a unique understanding of her clients’ goals, actively consulting with clients on cost-effective solutions to manage risk and maximize insurance recovery. She has worked with dozens of clients in the financial services, construction, and healthcare sectors to recover under claims following significant litigation events or natural disasters, with a consistent track record of success in representing corporate policyholders in coverage disputes in state and federal courts across Texas and beyond, as well as in arbitrations, mediations, and appeals at the state and federal level.

David Taubenfeld is a Partner in Haynes Boone’s Dallas office who represents policyholders in every kind of dispute they may have with their insurers. He finds coverage where others may not look, attempting to secure coverage for his clients through negotiation and diplomacy before litigation becomes necessary. When litigation becomes necessary, he litigates aggressively, always with the goal of securing coverage for his clients quickly and economically. David has secured millions of dollars in coverage for his clients through negotiation and litigation. He represents corporate and individual insureds in coverage and bad-faith lawsuits and arbitrations against insurance carriers under Directors’ and Officers’ Liability, First Party Property/Business Interruption, Errors and Omissions, Professional Liability, General Liability, Fidelity Surety Bonds, Performance and Payment, Primary, Excess, and Umbrella insurance policies. David also litigates construction matters for architects, engineers, contractors, and owners, handling both the construction disputes themselves and any related insurance coverage matters.