Mark C. Coulson

R. Henry Moore is a top attorney recognized by Best Lawyers in the practice area(s) of Mining Law and Natural Resources Law. R. Henry, who practices law in Pittsburgh, Pennsylvania, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which R. Henry is held by other top lawyers in the same geographic and legal practice area.

David has tried numerous cases in both state and federal courts and has argued in the U.S. Courts of Appeals on multiple occasions. From 2000 to July 2005, David left private practice to serve as an Assistant United States Attorney in the Office of the United States Attorney for the Southern District of New York. There he handled a variety of criminal prosecutions and investigations and worked closely with representatives of financial institutions, including internal auditors, compliance offi...

Thomas is co-chair of the firm's Labor & Employment Department and concentrates his practice on representing management in many aspects of labor, employment, and employment-related litigation. Tom’s traditional labor practice includes representing employers during union organizing campaigns, collective bargaining, and grievance arbitrations. He has represented employers in litigation involving race, sex, sexual harassment, age and disability discrimination, and against claims allegi...

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

When businesses have day-to-day legal compliance questions about their employees, need help defending an employment lawsuit, or require support dealing with union matters, Mario Bordogna is the right person to call whether you need help well in advance or require assistance at the drop of a hat. For 25 years, he has keenly represented and partnered with employers in a wide range of industries, such as healthcare, mining, energy, manufacturing, hospitality, education, professional services, an...

Michael J. Sweeney is a top attorney recognized by Best Lawyers in the practice area(s) of Oil and Gas Law and Product Liability Litigation - Defendants. Michael J., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael J. is held by other top lawyers in the same geographic and legal practice area.

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

Area of Emphasis Matthew Moses is a shareholder in Babst Calland’s Corporate and Commercial Group and is a member of, and past co-chair of, its Energy and Natural Resources Group. Mr. Moses’ practice includes business structuring and governance; mergers, acquisitions and divestitures, particularly dealing with environmentally-challenged assets; real estate transactions and development; information technology; and routine and complex commercial contracts in (among other areas) proc...

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

Marcelle M. Theis is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants. Marcelle M., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marcelle M. is held by other top lawyers in the same geographic and legal practice area.