R. Brent Wisner
Managing partner
Wisner Baum
Los Angeles, CA · Litigation leaders
Product liability trial lawyer known for Roundup litigation and pharmaceutical cases.
Founder / trial attorney · Wagstaff Law Firm
Professional base: Denver, CO·Litigation leaders
Mass tort trial lawyer associated with the first federal Roundup bellwether; focuses on product liability and national coordinated litigation.
Trial experience and co-counsel reach beyond a single litigation.
Founding partner of Andrus Wagstaff in 2010; now Wagstaff Law Firm.
MTMP role documented
MTMP speaker profile found; current attendance unverified; older biography uses prior firm name.
Speaker listings indicate scheduled participation, not confirmed attendance. Company exhibitor listings do not establish that an individual attended.
Based on shared organizations, categories, or torts.
Managing partner
Wisner Baum
Los Angeles, CA · Litigation leaders
Product liability trial lawyer known for Roundup litigation and pharmaceutical cases.
Senior partner
Levin Papantonio
Pensacola, FL · Litigation leaders
Veteran trial lawyer with national pharmaceutical and environmental litigation experience and extensive MTMP visibility.
Founding partner
Seeger Weiss
New York / New Jersey · Litigation leaders
Plaintiff lawyer with extensive court-appointed leadership experience across mass torts and class actions involving pharmaceuticals, automobiles, and sports injuries.
Founder / trial lawyer
The Lanier Law Firm
Houston, TX · Litigation leaders
Prominent plaintiff trial lawyer whose product liability verdicts and trial teaching give him influence beyond his own docket.