Kostas Katsiris is an accomplished commercial litigator and powerful advocate for his clients. Kostas represents plaintiffs and defendants in complex disputes in federal and state courts in New York and throughout the United States, and in private mediations and arbitrations. Clients in financial services, real estate, media and entertainment, retailing, transportation and logistics, hospitality, and hotel management seek his counsel and advocacy in all manner of disputes, including securities actions, contract disputes, business torts, data security breaches, corporate governance disputes, and bankruptcy-related matters.
Kostas is equally comfortable representing plaintiffs and defendants and is known for his zealous and creative advocacy. His diverse experience spans the entire process of litigation and arbitration, from the investigation and pleading stages through discovery and trial. In the class action arena, Kostas has been involved in some of the largest class actions on record and has defeated class certification and narrowed claims through motion practice. He has also served as a federal court-appointed special master in a complex consumer fraud class action.
Kostas regularly represents banks, investment advisors, hedge funds, private equity firms, broker-dealers, and officers and directors in civil litigation and regulatory proceedings. He also represents real estate developers, landlords, and commercial tenants in breach of contract and business tort cases; hotel management companies in disputes concerning management and franchise agreements; special servicers in the Commercial Mortgage-Backed Security (CMBS) industry; and other high-profile clients in a number of different industries.
Kostas also has substantial experience conducting confidential internal investigations relating to sensitive legal issues.
Moot Court Board, Co-Chair
University of Pennsylvania Law Review, Articles Editor