Dispute resolution
Brian O’Donoghue at Goldman Ismail Tomaselli Brennan & Baum LLP guides major corporations in high-stakes product liability and mass tort disputes. O’Donoghue serves as national counsel for Bayer AG and Monsanto, coordinating defence strategy and leading teams across large-scale litigation involving chemical, pharma, and personal injury claims.
Legal 500 Editorial commentary
Accolades
Chicago Elite
Profile
Work Department
Litigation
Position
Partner
Content supplied by Goldman Ismail Tomaselli Brennan & Baum LLP
Key clients
- Bayer HealthCare Pharmaceuticals Inc.; Bayer HealthCare LLC; Bayer Corp.; Bayer AG
- Monsanto Company
Work highlights
Serves as national counsel and co-lead counsel in Bayer AG/Monsanto’s Roundup Litigation.

