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Listing from the official roster · not yet claimed by the mediator

David P. Twomey

National Academy of Arbitrators member (per NMB list) · Chestnut Hill, Norfolk County

National Mediation Board roster of arbitrators (Railway Labor Act grievance arbitration)

Where David can work

Court-certified / rostered in

  • Massachusetts Verified National Mediation Board, checked 2026-10-08 · official roster

From official public rosters only. Courts may require a mediator from their own approved list for court-ordered cases.

Serves clients

Not stated yet. Mediators add where they serve clients (in person and online) after claiming their listing.

Provided by the mediator, not checked against a roster. Working with clients online in a state is not a certification in that state.

Practice details

Case types
Workplace & employment, Arbitrators
Languages
English
Location
Chestnut Hill, Norfolk County
Practice areas (per source)
Labor arbitration (railroad and airline industry)
Serves (per roster)
Nationwide (federal Railway Labor Act cases)

Fees and bio appear after the mediator claims this listing.

More mediators: Massachusetts · Norfolk County · Workplace & employment in Massachusetts · Arbitrators in Massachusetts

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