Kimberly Kostun

(Partner, Certified Circuit & County Court Mediator)
Headshot of Kimberly M Kostun of Guffey & Kostun Law Group

Kimberly M. Kostun has twenty-five years of experience as a dedicated litigation attorney at her former firm, Hinman, Howard & Kattell, LLP. Kimberly recently became a partner at Guffey & Kostun Law Group, LLP that was formerly the Peter Feaman Law Group.  Kimberly manages the Firm’s Pennsylvania branch office maintaining a general litigation practice. Kimberly has built a reputation for providing effective legal representation across a broad range of practice areas. She focuses on general litigation, complex banking and commercial litigation, construction litigation, motor vehicle injury claims, premises liability, animal bite cases and commercial and residential landlord tenant dispute cases.

In addition, Kimberly has extensive experience in mortgage foreclosure, debt collection, and creditors’ rights, helping clients navigate financial disputes with strategic solutions. As a Florida Supreme Court Certified Circuit & County Mediator, she brings valuable insight into alternative dispute resolution, working to achieve favorable outcomes both in and out of the courtroom.

Licensed to practice in Florida, Pennsylvania, and New York, Kimberly has successfully represented individuals, businesses, and financial institutions in high-stakes cases. Whether handling complex commercial disputes or personal injury claims, she is known for her strategic thinking, attention to detail, and commitment to client success.

EDUCATION
J.D. 1999, St. Thomas University School of Law (high honors)
B.A. 1996, Florida Atlantic University
ADMITTED
Florida
New York
Pennsylvania
United States Bankruptcy Court, Middle District of Pennsylvania
United States District Court, Eastern District of New York
United States District Court, Eastern District of Pennsylvania
United States District Court, Middle District of Pennsylvania
United States District Court, Northern District of New York
United States District Court, Southern District of New York
CERTIFICATIONS
Florida Supreme Court Certified Circuit Court Mediator
Florida Supreme Court Certified County Court Mediator
PRACTICE AREAS
• Litigation
• Banking & Financial Services
• Business, Corporate, & Securities Law
• Commercial & Residential Real Estate
• Construction Law
• Personal Injury
• Wills, Trusts, & Estates
PROFESSIONAL MEMBERSHIPS
New York State Bar Association
Broome County Bar Association
American Bar Association
Pennsylvania Bar Association
Wilkes-Barre Law & Library Association
Lackawanna County Bar Association
Broward County Bar Association
Palm Beach County Bar Association
Member of Palm Beach County Bar Association’s Alternative Dispute Resolution