Colleen Judge

Colleen Judge

Ms. Judge began her career as a Management Associate for Matrix Applications and South Street Securities in 2020 following a Marketing & Finance Internship in 2018 and 2019. She later transitioned into a Business Development Specialist role, focused on supporting sales, marketing, client relations, onboarding, business strategy and project development. As Head of Marketing & Communications at Matrix Applications and Head of Digital Marketing at South Street Securities, she is responsible for overseeing the development and implementation of marketing strategies. Recently, she also helped lead the strategic rebranding and website launch for the Independent Dealer Trader Association (IDTA). Ms. Judge graduated Magna Cum Laude from Elon University in May 2020 with majors in Marketing, Finance and Economics. In December 2022, Ms. Judge graduated Magna Cum Laude from The College of William & Mary with a master's degree in marketing. Currently, she volunteers as Head of Memberships for the FinTech B2B Marketing Community.

Posts by Colleen Judge

October 29, 2026
Risk.net: Non-bank dealers urge rethink on FICC default fund reshuffle
News Repo Treasury Clearing & Settlement Margin

October 29, 2026

James Tabacchi, Chair of the Independent Dealer and Trader Association (IDTA) and Chief Executive Officer of South Street Securities Holdings Inc., was quoted in Risk.net’s “Non-Bank Dealers Urge Rethink on FICC Default Fund Reshuffle” by Paulina Pielichata, as non-bank dealers raise concerns over FICC’s proposed default fund changes ahead of the SEC’s clearing mandate.

September 1, 2026
Treasury Comment Letters

September 1, 2026

IDTA submitted a comment letter in response regarding the Fixed Income Clearing Corporation — Proposed Rule Change (File No. SR-FICC-2026-008) and Advance Notice (File No. SR-FICC-2026-802) To Establish a Guaranty Fund in the Government Securities Division1.

June 11, 2026
Clearers Face Heavy Lift on CME-FICC Cross-Margin Service
News Repo Treasury Clearing & Settlement Margin

June 11, 2026

James Tabacchi, CEO of South Street Securities Holdings Inc., and Stephen Hood, Head of Clearing Americas at Marex, were quoted in Risk.net's "Clearers Face Heavy Lift on CME-FICC Cross-Margin Service" by Paulina Pielichata, as the industry works to stand up CME-FICC cross-margining ahead of the SEC's clearing mandates.

December 2, 2025
IDTA Chairman James Tabacchi provided testimony before the U.S. House Financial Services Committee at the
Repo Treasury Clearing & Settlement Comment Letters Tabacchi Market Resiliency

December 2, 2025

IDTA Chairman James Tabacchi provided testimony before the U.S. House Financial Services Committee at the "Examining Primary Dealers and Balance Sheet Constraints" hearing.