your neighbors, your advocates

We invite you to learn more about each of our lawyers:


1977, Massachusetts; 1979,
U.S. District Court, District
of Massachusetts

law school:

Boston University, J.D., 1976


Smith College, A.B.,
cum laude, 1970

Attorney Marianne G. Zurn

Ms. Zurn is the senior partner of Zurn, Sharp & Heyman, LLP and has been in practice since 1977. Her practice focuses on family law matters and also includes real estate law, small businesses, and wills and trusts. In addition to her representation of parties, Ms. Zurn’s depth of experience uniquely qualifies her to serve in the capacities of mediator and case evaluator.


Hampshire County, Franklin County and the Massachusetts Bar Associations
Real Estate Bar Association of Massachusetts (REBA)
Association of Family and Conciliation Courts (AFCC)

Additional Professional Information:

Presenter, Massachusetts Continuing Legal Education.

Past adjunct instructor, University of Massachusetts, pre-law program

Past president, Hampshire County Bar Association

Former member or member of board of directors:

  • Northampton Zoning Board of Appeals, Hilltown Community Development Corporation
  • Western Massachusetts Board for Massachusetts Society for Prevention of Cruelty to Children
  • Western Massachusetts Judicial Nominating Committee
  • Sojourn, Inc.
  • Capital Fundraising Committee for Forbes Library
  • Lathrop Retirement Communities

1998, Massachusetts; 2001, U.S. District Court, District of Massachusetts; 2002, U.S. Court of Appeals for the First Circuit

law school:

University of Minnesota, J.D., cum laude, 1997


Cornell University, B.S., 1988

Attorney G. David Sharp

G. David Sharp joined Marianne G. Zurn in 2002 at what was then the law firm of Corash, Zurn and Sharp. He is both a litigator and a mediator trained in all aspects of divorce and family law. Divorce and family law is a primary focus of G. David Sharp's practice. This focus complements and underscores the firm's reputation, specialization and expertise in this area of law. He also has extensive experience in employment law, including wrongful termination, discrimination, and employee/employer contract disputes. In addition, G. David Sharp represents clients in general and civil litigation, will contests, real estate transactions, and personal injury.


Hampshire and Franklin County Bar Associations
Massachusetts Bar Association
Association of Family Concilation Courts

Additional Professional Information:

Worked as a legislative aide for economic development for Congressman John Olver in Washington, DC, and western Massachusetts

Past member of the Franklin Medical Center's Ethics Committee in Greenfield, MA

Past longstanding board member and president of Western Massachusetts Legal Services, now Community Legal Aid

Certified mediator for all family law matters

Member of Association of Family and Conciliation Courts (AFCC)

Elected member, Deerfield School Commitee


1998, Massachusetts; 2001, U.S. District Court, District of Massachusetts

law school:

Western New England University, J.D., cum laude, 1998


Hampshire College, B.A., 1982;
Harvard University, Ed.M., 1988

Attorney Jon B. Heyman

Mr. Heyman has been practicing law for over 20 years and joined the firm in 2008. His 20-year background in social work and education is an asset in his practice areas of Superior and District court criminal, juvenile and family law matters, including divorce, guardianship and child custody. Mr. Heyman's practice focuses on criminal law, family law, and personal injury and includes some general civil practice.


Hampshire County, Franklin County and Massachusetts Bar Associations

Additional Professional Information:

Twenty years working as a social worker with adolescents and families and as a middle school and high school teacher prior to practicing law

Developed and directed a residential program for runaway and homeless teens; developed and directed a youth leadership program

Past officer on the executive committee of the Hampshire Bar Association

Former vice-president of the board of directors for New England Center for Youth and Families

Former member of the Statewide Governor's Juvenile Judicial Nominating Committee


2007, Massachusetts and New Hampshire

law school:

Western New England University, J.D., cum laude, 2007


UMass Boston, B.S., 1995; University of Texas at Arlington, M.S., 1997

Beth A. Lux

Ms. Lux joined the law firm as a partner in 2016. Her background in psychology is an asset in the various matters she handles. A former Assistant District Attorney and Assistant Attorney General, Ms. Lux is a skilled trial attorney. A member of the National Academy of Elder Law Attorneys, she focuses on elder law and special needs planning, as well as probate estate administration, estate planning, guardianships of adults and children, and conservatorships. She is an experienced family and divorce law practicioner.


Franklin County and Hampshire County Bar Associations.
National Academy of Elder Law Attorneys

Additional Professional Information:

Adjunct Professor of Law at Western New England University School of Law.

Adjunct Professor of Psychology, University of Massachusetts at Amherst (former).

Assistant Attorney General, Attorney General’s Office, Criminal Bureau, Springfield, MA.

Assistant District Attorney, Northwestern District Attorney’s Office, Hampshire/Franklin Counties, MA.

New England Learning Center for Women in Transition (NELCWIT) Board of Directors (current); Board President (October, 2017 – October, 2019).