Complex, high-stakes disputes.
Clear outcomes.
Complex,
high-stakes disputes.
Clear outcomes.
Accordia Group is dedicated to elevating the standard of dispute resolution.
By bringing together best-in-class neutrals and advanced administrative support, we cut through legal friction to provide a direct, expert-led path from conflict to resolution.
Our national platform unites the most respected regional firms, giving you immediate access to a broad, elite panel of neutrals. By combining local expertise with national reach, we provide the enterprise-grade capabilities you require with the personal attention you deserve.
What Sets Us Apart
National Reach,
Local Expertise
Respected Neutrals
Trusted Brands
Case Administration Excellence
National Reach, Local Expertise
Industry Leading Neutrals
A Platform for the Best Brands
White Glove Case Administration
What Sets Us Apart
National Reach,
Regional Expertise
This is the heading
This is the heading
This is the heading
Our Companies
Our member firms represent the full spectrum of dispute resolution. From high-velocity mediation models to institutional arbitration and technology-driven case preparation, the Accordia Group portfolio offers a multidimensional approach to resolving conflict. While each brand maintains its own legacy and specialized focus, they are all bound by a shared commitment to agility, integrity, and human-centered results.
Our Leadership
Powering a
Partnership.
Accordia Group is led by Thompson Street Capital Partners, a St. Louis-based private equity firm that partners with founders and management teams to invest in and grow established companies—helping them succeed and grow through shared purpose.

Michelle Diamond
Chief Operations Officer,
ADR Support Salmon & Dulberg

Ilida Alvarez
Founder and CEO,
Alvarez ADR

David H. Salmon
Chief Executive Officer,
ADR Support
Salmon & Dulberg

Darren Lee
Co-Founder,
ADR Support

Jackie Silvey
General Counsel,Vice
President and Head of
NAM’s Commercial Division,
National Arbitration
and Mediation

Dawn Lack
Vice President,
National Arbitration
and Mediation

Shaun Cutter
Chief Technology Officer,
National Arbitration
and Mediation

Scott Burch
Chief Financial Officer,
National Arbitration
and Mediation

Lisa Wodtke
Chief Human
Resources Officer,
National Arbitration
and Mediation

Irini Bekhit
Director, Panel
Relations,
National Arbitration
and Mediation

Mark Haddad
Chief Executive Officer,
National Arbitration
and Mediation

Joel Black
Senior Director, Go-To-
Market Strategy,
National Arbitration
and Mediation
Latest news
Contact Us
Contact Us
"*" indicates required fields