Mike Papantonio
Senior partner
Levin Papantonio
Pensacola, FL · Litigation leaders
Veteran trial lawyer with national pharmaceutical and environmental litigation experience and extensive MTMP visibility.
2026 Edition · Independent Editorial Directory
Meet 100 influential attorneys, firm leaders, referral specialists, marketers, funders, and technology providers across the U.S. mass tort ecosystem.
Mass torts run on relationships. Behind every major litigation is a network of people developing cases, connecting claimants with counsel, providing capital, and managing the work. MassTortsPower100 helps you understand that network—and identify the people worth knowing.
Read the ranking methodology →Featured
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.
Co-founding member
Weitz & Luxenberg
New York, NY · Firm leaders & originating counsel
Co-founded a major plaintiff firm combining asbestos, environmental, drug, and device litigation with national co-counsel relationships.
Founder
Watts Law Firm
Base not verified · Litigation leaders
Trial lawyer with decades of complex mass tort and environmental litigation experience; current MTMP biography emphasizes wildfire litigation and large plaintiff portfolios.
Named partner
Simmons Hanly Conroy
New York, NY · Litigation leaders
Leads complex plaintiff litigation involving opioids, products, environmental claims, and abuse, with extensive national leadership and trial experience.
Founding partner
Aylstock, Witkin, Kreis & Overholtz
Pensacola, FL · Litigation leaders
Founding AWKO partner with pharmaceutical and device MDL leadership experience, including 3M earplugs and Depo-Provera.
President
Levin Papantonio
Pensacola, FL · Litigation leaders
Firm president with pharmaceutical, environmental, and national mass tort leadership experience.
Mass Torts Section head
Beasley Allen
Montgomery, AL · Litigation leaders
Leads Beasley Allen’s mass tort practice and helped develop the section after joining in 1996.
Founder & CEO
Broughton Partners
Savannah, GA · Referral & case acquisition
Leads a case acquisition business connecting plaintiff firms with retained claimants and litigation partners; Broughton identifies Goldwater Law Firm as its originating firm.
Mass torts involve an entire network: attorneys developing and trying cases, firms originating claims, marketers reaching potential clients, intake teams qualifying them, funders providing capital, and technology providers supporting the work.
John Morgan
Morgan & Morgan · Orlando, FL
Elizabeth Cabraser
Lieff Cabraser Heimann & Bernstein · San Francisco, CA
Steve Nober
Consumer Attorney Marketing Group · Woodland Hills, CA
Leigh O’Dell
Beasley Allen · Montgomery, AL
Ellen Relkin
Weitz & Luxenberg · New York, NY / Cherry Hill, NJ
Diandra “Fu” Debrosse Zimmermann
DiCello Levitt · Birmingham, AL
Michael London
Douglas & London · New York, NY
James Onder
OnderLaw · St. Louis, MO
Dataset researched in 2026. Sources include October 2026 MTMP speaker listings and the April 2026 MTMP exhibitor list.