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

A-Team Insight Blogs

Societe Generale Securities Services Appoints New Head of Sub-Custody Network Management

Subscribe to our newsletter

Societe Generale Securities Services (SGSS) has appointed Mathilde Guérin as Head of Sub-Custody Network Management. Based in London and reporting directly to SGSS executive directors, she replaces Paola Deantoni, who will be taking on a new position within SGSS.

With over 18 years experience in the securities services industry in charge of project management and coordination, as well as client relationship management, Mathilde Guérin will be responsible for managing SGSS’ network of sub-custodians, delivering high quality solutions to respond to client requirements, specifically in terms of asset protection and market information and intelligence.

SGSS offers a complete range of local and global custody and trustee services which provide efficient and effective support to a clientele of financial intermediaries, collective fund managers and institutional investors. Clients thus have access to SGSS’ international network of custody services, covering 72 countries.

Mathilde Guérin is a graduate of the Ecole des Mines (Engineering School) in Saint-Etienne, France. She began her career at Societe Generale in 1991 and held various positions within the investment bank and the Custody Services Department, where she managed transversal studies and project coordination. She participated in the analysis of all IT and operational aspects of the SGSS acquisition of UniCredit’s securities services in 2005. She was then appointed programme manager for the migration of Pioneer Asset Management’s Luxembourg funds. Since 2008, Mathilde Guérin was Global Relationship Manager of Pioneer Asset Management.

Subscribe to our newsletter

Related content

WEBINAR

Recorded Webinar: How to move to a modern, component based trading architecture using a Buy AND Build approach

To remain competitive in today’s electronic markets, firms need trading architectures that support rapid innovation, effortless integration of new capabilities, and the agility to respond to shifting market demands. This is prompting technology leaders to move beyond the traditional “Buy vs. Build” debate, a false dichotomy that oversimplifies the choice between generic, off-the-shelf platforms and...

BLOG

SIX Group to Acquire Aquis Exchange in £194 Million Deal

In a deal that will reshape the European equities trading sector, SIX Group AG (SIX) has agreed to acquire Aquis Exchange Plc (Aquis) for a price of 727 pence per share in cash, representing a 120% premium over Aquis’s closing price of 330pps on 8 November 2024 and a 68% premium over the six-month volume-weighted...

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

Trading Regulations Handbook 2022

Welcome to the third edition of A-Team Group’s Trading Regulations Handbook, a publication designed to help you gain a full understanding of regulations that have an impact on your trading operations, data and technology. The handbook provides details of each regulation and its requirements, as well as ‘at-a-glance’ summaries, regulatory timelines and compliance deadlines, and...