2026 Edition · Independent Editorial Directory

The people shaping mass torts.

Meet 100 influential attorneys, firm leaders, referral specialists, marketers, funders, and technology providers across the U.S. mass tort ecosystem.

Why this directory exists

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

The Top 10

Full ranking →
1

Mike Papantonio

Senior partner

Levin Papantonio

Pensacola, FL · Litigation leaders

Veteran trial lawyer with national pharmaceutical and environmental litigation experience and extensive MTMP visibility.

OpioidsPFAS/C8environmental torts
2

Christopher Seeger

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.

3M earplugsNFL concussionVolkswagen
3

Mark Lanier

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.

Talcpharmaceutical and medical device trials
4

Perry Weitz

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.

Asbestosenvironmentaldrug and device portfolios
5

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.

LahainaCampTubbs
6

Jayne Conroy

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.

OpioidsDePuy PinnacleVolkswagen
7

Bryan Aylstock

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.

3M earplugsDepo-Proverapelvic mesh
8

Brian Barr

President

Levin Papantonio

Pensacola, FL · Litigation leaders

Firm president with pharmaceutical, environmental, and national mass tort leadership experience.

3M earplugsXareltoCamp Lejeune
9

Andy Birchfield

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.

Vioxxpharmaceutical productsproduct liability
10

Cason Carter

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 tort acquisitionintakereferral-firm connections

Browse by role in the ecosystem

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.

The ranking continues

  1. 11

    John Morgan

    Morgan & Morgan · Orlando, FL

  2. 12

    Elizabeth Cabraser

    Lieff Cabraser Heimann & Bernstein · San Francisco, CA

  3. 13

    Steve Nober

    Consumer Attorney Marketing Group · Woodland Hills, CA

  4. 14

    Leigh O’Dell

    Beasley Allen · Montgomery, AL

  5. 15

    Ellen Relkin

    Weitz & Luxenberg · New York, NY / Cherry Hill, NJ

  6. 16

    Diandra “Fu” Debrosse Zimmermann

    DiCello Levitt · Birmingham, AL

  7. 17

    Michael London

    Douglas & London · New York, NY

  8. 18

    James Onder

    OnderLaw · St. Louis, MO

See all 100 profiles

Dataset researched in 2026. Sources include October 2026 MTMP speaker listings and the April 2026 MTMP exhibitor list.