Mark A. Calhoun

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

Michelle Robberson is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice. Michelle, who practices law in Dallas, Texas, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michelle is held by other top lawyers in the same geographic and legal practice area.

Andrew Sommerman represents clients in personal injury cases. A highly experienced trial lawyer, Andrew specializes in catastrophic injuries, wrongful death, and defective product cases. Board Certified in Personal Injury Trial Law by the Texas Board of Legal Specialization , Andrew has tried numerous complex cases involving car accidents, truck wrecks, house and apartment fires, slip and falls, and workplace injuries. He is an advocate for victims of damaging pharmaceutical drugs such as Yaz...

David Lisch focuses his practice on virtually all aspects of patent litigation, along with trademark and copyright prosecution and litigation, for a variety of industries and technologies. His engineering background, coupled with his tailored IP experience, allows him to more easily evaluate and work to solve his clients’ issues. His patent litigation work involves performing pre-filing infringement analysis and drafting of claim charts through trial, including reviewing and analyzing a...

Camisha L. Simmons is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Camisha L., 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 Camisha L. is held by other top lawyers in the same geographic and legal practice area.

Amy Ford’s commitment to family law began before she was licensed by the State Bar of Texas, while she was still a law student at Texas A&M University School of Law. During law school, she worked in the school’s legal clinic, where she assisted individuals who otherwise lacked access to legal representation. That experience shaped her professional focus, and when Amy opened her own practice, she dedicated her work exclusively to family law—a focus she continues today at ...

Jeff Ryan is a founding partner of Chamblee Ryan and has served as the firm’s Vice President since its inception. Jeff’s primary focus is on litigation and trial work representing individuals, corporations, health care providers, and national transportation companies in state and federal courts in Texas and nationwide. Jeff has extensive experience handling professional malpractice, product liability suits, commercial disputes, nonsubscriber claims, and general negligence lawsuits...

Martin A. Sosland is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Martin A., who practices law in Dallas, Texas, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Martin A. is held by other top lawyers in the same geographic and legal practice area.

Kirk T. Florence is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Insurance Law and Product Liability Litigation - Defendants. Kirk T., who practices law in Dallas, Texas, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kirk T. is held by other top lawyers in the same geographic and legal practice area.

Steven E. Bartz is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships), Corporate Law and Mergers and Acquisitions Law. Steven E., who practices law in Dallas, Texas, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven E. is held by other top lawyers in the same geographic and legal practice area.