John Lacher

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.

Douglas A. Williams is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Claimants. Douglas A., 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 Douglas A. is held by other top lawyers in the same geographic and legal practice area.

Area of Emphasis Peter Schnore helps his clients resolve real estate-related disputes including real estate tax-assessment appeals, eminent domain proceedings, and Pennsylvania real estate broker’s fee disputes, planned community, condominium, boundary and title disputes. Mr. Schnore also negotiates real estate leases, easements, and related agreements. One area of concentration in Mr. Schnore’s practice is real property tax assessment appeals. He represents commercial and industr...

Alan S. Miller has more than thirty-eight years of experience in complex litigation and counseling, concentrating in the areas of environmental law, insurance coverage and bad faith, and commercial litigation. He chairs the firm’s Environmental and Energy Law practice and the Insurance Coverage and Bad Faith Litigation practice. Alan’s environmental law practice has involved counseling, litigation and alternative dispute resolution of matters involving municipal, residual, and haz...

Irv currently serves as the firm's Managing Shareholder. He concentrates his practice on land use, zoning , and real estate litigation. Prior to joining Tucker Arensberg, he served as in-house counsel to the Housing Authority of the City of Pittsburgh. He has represented land owners and developers before planning commissions, zoning hearing boards, governing bodies, administrative agencies, and the Court of Common Pleas. In addition, Irv serves as counsel to numerous food service and restaura...

Jennifer G. Betts is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Jennifer G., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer G. is held by other top lawyers in the same geographic and legal practice area.

Katelyn O'Connor is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Katelyn, who practices law in Pittsburgh, Pennsylvania, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katelyn is held by other top lawyers in the same geographic and legal practice area.

Mr. Klemensic has more than 25 years experience practicing medical malpractice defense as well as general civil and insurance litigation in state and federal courts throughout Pennsylvania. His main focus is on the defense of health care providers including hospitals, physicians, dentists, podiatrists, rehabilitation facilities, therapists, and psychiatrists.

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.

Maureen Kowalski is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Employers. Maureen, who practices law in Pittsburgh, Pennsylvania, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Maureen is held by other top lawyers in the same geographic and legal practice area.