Greg's practice is concentrated in the areas of class action, multi-district litigation, and complex commercial litigation. He has significant trial experience in state and federal courts throughout the United States. Greg has successfully represented plaintiffs and defendants in numerous commercial and class action matters involving employment, shareholder derivative, tort, antitrust and contract disputes.
Greg has extensive experience in False Claims Act (qui tam) litigation and has represented parties in cases around the country.
Greg represents state Attorney Generals in complex litigation. Greg is one of the lead litigation counsel for the States of Michigan and Illinois in their respective litigation against PFAS and AFFF manufacturers and other parties regarding PFAS/AFFF contamination. Greg was also one of the lead litigation counsel for the State of Ohio and Ohio Attorney General Dave Yost in its recent $808 million settlement with national opioid distributors that generated national publicity.
Representative Work
Lead counsel, with Partner Joe Callow, in representation of the State of Ohio in litigation against distributors of opioids resulting in $808 million settlement for the state
Currently represents the States of Michigan and Illinois against manufacturers and other companies related to PFAS and AFFF water contamination
National trial counsel for publicly traded large fleet trucking company
Representation of National Logistics Trucking Company in defense of FLSA national class action overtime claim by employees
Representation of National Engineering Firm in defense of FLSA national class action overtime claim by employees
Representation of large public company in national class action alleging gender discrimination in hiring practices
Representation of large public company in prosecution of RICO and related claims against various unions
Representation of egg producers in antitrust national class action litigation
Representation of Relator in False Claims Act litigation resulting in a $65 million settlement
Representation of large public company in obtaining dismissal of False Claims Act litigation initiated against public company
Representation of regional franchisor in defense of FLSA national class action overtime claim by employees
Representation of regional nursing home conglomerate in defense of FLSA national class action overtime claim by employees
Representation of telecommunications broker against large telecommunications carrier resulting in a multi-million dollar award
Representation of class of descendents of landowners against U.S. Government for claims arising out of confiscation of lands for development of the Manhattan Project during World War II which resulted in a $10 million settlement through act of Congress
Representation of large publicly held corporation in national class action litigation and settlement related to alleged environmental charge overages
Representation of plaintiffs in national class action against telecommunications provider
Representation of numerous plaintiffs in defective medical device claims against manufacturers of medical devices resulting in a $60 million settlement
Representation of plaintiffs in national class action alleging defective medical devices which resulted in a multi-million dollar settlement
Representation of large privately held entity in claim for insurance coverage related to contaminated real estate which resulted in a $10 million recovery
Representation of individual sellers of privately held business in breach of contract claim resulting in payment to sellers of several million dollars
Representation of individual owner of multiple franchises in breach of contract claim resulting in a multi-million dollar sale of franchises
Representation of several individual plaintiffs in personal injury and wrongful death matters resulting in individual multi-million dollar judgments and settlements
Professional and Community Involvement
Cincinnati Bar Association
Ohio State Bar Association
National Institute of Trial Advocacy, Instructor
American College of Trial Lawyers, State Selection Committee
Spectrum Networks, Inc., Board of Directors
Ursuline Academy of Cincinnati, Board of Trustees, Building and Grounds Committee; former president of the Dad's Club
Southwestern Ohio Council on Child Abuse, former President and Board of Directors
Awards & Recognition
American College of Trial Lawyers, Fellow
Litigation Counsel of America, Senior Fellow
American Board of Trial Advocates, Associate
AV® Preeminent™ Peer Review Rated, Martindale-Hubbell
Listed in The Best Lawyers in America, 2007-2023
Named the "Cincinnati Best Lawyers’ Mass Tort Litigation / Class Actions - Plaintiffs Lawyer of the Year," 2023
Named the "Cincinnati Best Lawyers’ Litigation — Labor and Employment Law Lawyer of the Year," 2017
Named to Ohio Super Lawyers since 2004
