David L. Nixon

Area of Emphasis Marnie Schock is a shareholder in the Corporate & Commercial Group of Babst Calland. Her practice focuses on: real estate transactions including sales, purchases, commercial and retail leasing, easements and other real estate agreements; the acquisition, disposition and leasing of mineral interests, joint development and exploration agreements, licensing and rights-of-way and other mineral conveyancing and related agreements; corporate acquisitions, mergers and divestitur...

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...

Stuart C. Gaul is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Stuart C., 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 Stuart C. is held by other top lawyers in the same geographic and legal practice area.

Mr. Conti is President and Chief Executive Offier at Dickie, McCamey & Chilcote, P.C. where he specializes in the representation of health care providers, primarily in connection with the defense of professional negligence suits. In over 25 years of practice, Mr. Conti has represented virtually every major health care institution in the region. This representation has included matters in Ohio and West Virginia. In the past five years alone, Mr. Conti has received defense verdicts in 19 me...

Across Pennsylvania, Brian Vertz is viewed as a powerful advocate for his family law clients. For more than 25 years, Brian has zealously represented clients in complex child support cases, high net worth divorces, prenup enforcement cases, difficult custody disputes, and appeals up to the Pennsylvania Supreme Court. With his MBA background and financial training, Brian develops effective strategies for family law cases involving business valuation, executive compensation, double dipping, fam...

Jeffrey A. Mills is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Jeffrey A., 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 Jeffrey A. is held by other top lawyers in the same geographic and legal practice area.

Jennifer B. Hirneisen is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Jennifer B., 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 Jennifer B. is held by other top lawyers in the same geographic and legal practice area.

Jay Alberstadt is a senior partner with MacDonald Illig. He concentrates his practice in the areas of real estate, commercial and economic development, conventional and tax-exempt financing, and estate planning and administration. He provides legal services to individuals, business entities, lending institutions, municipal authorities and development agencies. Mr. Alberstadt handles matters ranging from residential real estate transactions to detailed title and development issues. He also pro...

Gregory R. Unatin is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Gregory R., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gregory R. is held by other top lawyers in the same geographic and legal practice area.

Matthew J. Malcho is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Matthew J., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew J. is held by other top lawyers in the same geographic and legal practice area.