About a-team Marketing Services
The knowledge platform for the financial technology industry

A-Team Insight People

DTCC Appoints Arianne M. Collette as Managing Director and Head of U.S. Equities

Subscribe to our newsletter

The Depository Trust & Clearing Corporation (DTCC) has appointed of Arianne M. Collette as Managing Director and Head of U.S. Equities, effective from 17 November 2025. Collette will report to Val Wotton, DTCC Managing Director and Global Head of Equities Solutions, and will be based at the firm’s Jersey City location.

In this new position, Collette will be responsible for leading the strategic planning and execution for DTCC’s U.S. Equities business. Her remit includes driving growth initiatives, market expansion, and enhancing operational efficiencies across the company’s core clearing and settlement infrastructure.

Collette joins DTCC from Morgan Stanley, where she held several senior leadership positions, including Chief Operating Officer and Head of Strategy for Reinvestment, Global Head of Sales Strategy, and Americas Head of Resource Optimization. She is also a noted advocate for diversity, serving as the co-founder and global chair of Women in Securities Finance, a global industry group with over 1,000 members dedicated to promoting diversity and inclusion within the financial services industry.

Subscribe to our newsletter

Related content

WEBINAR

Recorded Webinar: Practical Approaches to Reference Data Feed Integration

A-Team Group recently held a webinar on the popular topic of Practical Approaches to Reference Data Feed Integration, discussing how firms should be approaching the challenge around data work flow and integration that’s emerging as a major pain point as firms struggle to deal with managing change and maintaining data feeds, and what help is...

BLOG

DerivActiv Offers 12 Month Swap Payment Cashflow Verification Report to New Customers Free of Charge

Derivatives valuations provider DerivActiv has indicated that it will provide a free 12 month swap payment cashflow verification report to all new customers. The vendor says that this is part of its drive to encourage firms to ensure their swap payments are calculated correctly so that accurate tax compliance calculations can be made, as well...

EVENT

ExchangeTech Summit London

A-Team Group, organisers of the TradingTech Summits, are pleased to announce the inaugural ExchangeTech Summit London on May 14th 2026. This dedicated forum brings together operators of exchanges, alternative execution venues and digital asset platforms with the ecosystem of vendors driving the future of matching engines, surveillance and market access.

GUIDE

Corporate Actions USA 2010

The US corporate actions market has long been characterised as paper-based and manually intensive, but it seems that much progress is being made of late to tackle the lack of automation due to the introduction of four little letters: XBRL. According to a survey by the American Institute of Certified Public Accountants (AICPA) and standards...