Jonathan S. Ziss
Jonathan Ziss is a partner in Goldberg Segalla’s Philadelphia office. He
chairs the firm’s Professional Liability Practice Group, chairs the firm’s
Aviation Litigation Practice Group, and is a member of its Commercial Litigation
and Cyber Risk Practice Groups.
Jonathan devotes much of his practice to the representation of professionals,
including accountants, attorneys, bankers, design professionals, insurance
agents/brokers, and fiduciaries, in administrative and civil proceedings. He
counsels clients and litigates, arbitrates, and mediates commercial disputes in
a wide range of industries, from healthcare to hospitality. He also manages
compliance and loss mitigation campaigns in the aftermath of data breaches.
Jonathan has represented many local, regional and national accounting firms
in a wide variety of matters and in a number of forums, including all forms of
ADR. In professional negligence matters, he has represented accountants in
lawsuits brought by former clients; by purchasers or sellers in disputes arising
out of business combinations; by factors, banks, and other lenders; by creditors
in bankruptcy and bankruptcy trustees; and by other affiliated professionals. In
addition, Jonathan is frequently called upon to represent accountants in
investigations by federal, state, and local authorities, including the Internal
Revenue Service, the FBI, and the Department of Labor, as well as investigations
by bankruptcy trustees and creditors’ committees. He has worked with accounting
firms preparing for grand jury appearances.
In the field of aviation litigation, Jonathan has represented regional,
national, and international air carriers, as well as under wing service
providers, municipal authorities, general aviation owners and pilots, and fixed
base operators, in connection with property and casualty liability litigation.
He also acts as coverage counsel. In addition to handling disputed matters, he
counsels commercial airlines in connection with industry-related consumer
compliance and contractual matters. Jonathan’s transportation litigation
experience also includes handling high-profile cases for the Southeastern
Pennsylvania Transportation Authority (SEPTA) involving rail and bus accidents.
In addition, he has handled recreational boating and trucking claims.
Jonathan is a former chair of the CLM’s Professional Liability Committee as
well as the immediate-past President of the Professional Liability Defense
Federation (PLDF), and he is also a past chair of the Professional Liability
Underwriting Society (PLUS) Mid-Atlantic Steering Committee. Jonathan is a
frequent author and lecturer on the subject of professional standards,
professional liability risk, and aviation liability. He has been quoted in
Forbes.com, Dow Jones News Service, Law360, The Legal Intelligencer, and
Reuters, among others.