Practice Areas


Our attorneys have comprehensive experience in all aspects of environmental law.




We routinely advise on safety compliance issues, permitting, audit protocols and enforcement actions


We have decades of experience defending and trying toxic tort cases.



Our team has litigated a wide variety of environmental, corporate, product liability and commercial matters.

Sandra Becher Sommers Joins MD as Partner

McMahon DeGulis is pleased to welcome Sandra Becher Sommers. Sandra joins the firm’s Cleveland office as a Partner and will continue her litigation practice focusing on toxic tort and environmental cases, as well as workers’ compensation.

Sandra has over 30 years of experience in civil litigation, including toxic torts, occupational disease matters, asbestos exposure claims, and environmental matters. She has appeared in various courts throughout the country in asbestos litigation as national counsel for a Fortune 500 company and has assisted in trials of mesothelioma cases. Sandra served as trial counsel in a case involving CERCLA, EPCRA and RCRA claims related to power plant emissions and controls that resulted in a settlement agreement after several days of trial in federal court.

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MD named a Tier 1 Cleveland “Best Law Firm” in two practice areas by U.S. News – Best Lawyers® in 2019

McMahon DeGulis LLP is pleased to announce that the firm has been named a Tier 1 firm in Cleveland for Environmental Law and Environmental Litigation in 2019 by U.S. News – Best Lawyers®. In addition, the firm received a Tier 2 National ranking in Environmental Law and Environmental Litigation by U.S. News – Best Lawyers® for the Ninth Edition of “Best Law Firms.”

Firms included in the 2019 Edition of “Best Law Firms” are recognized for professional excellence with consistently impressive ratings from clients and peers. Achieving a tiered ranking signals a unique combination of quality law practice and breadth of legal expertise.

MD is honored by this national and metropolitan recognition by U.S. News – Best Lawyers®. Across Ohio and beyond, we strive to match our clients with the attorney best-suited to serve their particular need resulting in the flexible, efficient and focused practice of law to the benefit of our clients.

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Camille Yancey Joins MD as Of Counsel

McMahon DeGulis is pleased to welcome E. Camille Yancey to the firm. Camille joins the firm as Of Counsel and will continue her practice focusing on environmental regulatory compliance and environmental litigation. Camille is admitted to practice in Ohio and Kentucky.

Camille works closely with clients to navigate complex environmental laws. Her experience includes regulatory compliance counseling and litigation issues arising out of the waste programs (CERCLA and RCRA) and the Clean Water Act. Camille also has considerable experience with environmental permitting, transactional due diligence, enforcement actions, permit appeals, and citizen suit litigation.

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Lou McMahon to Present at 2018 CMBA Environmental Law Institute: Great Lakes Update

On December 18, Lou McMahon will present Great Lakes Water Law 101 at the 2018 CMBA Environmental Law Institute: Great Lakes Update. Lou’s presentation sets up a day-long, deep dive into water law topics directly impacting the Great Lakes including energy infrastructure development, harmful algal blooms, and dredge material management. The Institute will be held at the CMBA Conference Center in Cleveland. 7 CLE hours were requested. Same day registration begins at 8:00 am on December 18, with a networking reception following the presentations.

Register Here