Mary D. Grenen

Senior Associate Attorney


Mary D. GrenenEmail Address:

Phone: 412-281-7650
FAX: 412-281-7657


Mary D. Grenen is a Senior Associate Attorney at Grenen & Birsic, P.C.

Mary has been a member of the firm for 18 years and has 26 years of experience as a practicing Pennsylvania attorney. Mary concentrates her practice in litigated foreclosure and litigated commercial cases, representing banks and mortgage companies in court and in out of court resolutions.

She has prior experience working as in-house counsel for major insurance companies, and in addition to expertise in creditors’ rights, Mary has specialized knowledge of insurance claims and coverage issues.


  • Albright College (B.A., 1985)
  • University of Pittsburgh (J.D., 1988)


  • Bar of Pennsylvania, 1988
  • United States District Court for the Western District of Pennsylvania
  • United States Supreme Court


  • Allegheny County Bar Association
  • Pennsylvania Bar Association