The Association of National Numbering Agencies (ANNA) the global association dedicated to the support of efficient capital markets through the use of widely embraced International Organisation for Standardisation (ISO) standards, announced today that it has re-elected Cristina Ribó Sörensen Deputy Director at the Comisión Nacional del Mercado de Valores (CNMV) as Director of the ANNA Management Body.
Additionally ANNA announced a new Partner approval for Brunei Darussalam: the Bursa Brunei Darussalam Sdn Bhd. Member transfer applications from China and Sri Lanka were also confirmed. For China, the National Numbering Agency (NNA) role is now held by China Securities Information Technology Service (CSTECH), transferring from the China Securities Industry Standardization Technical Committee (CSISC). In Sri Lanka, the NNA role has moved from the Colombo Stock Exchange to the Central Depository System (Pvt) Limited.
The appointment, partner approval and transfers were confirmed at ANNA’s General Meeting in Zurich, hosted by SIX Financial Information, the NNA for Switzerland, 11-12 June 2026.
Cristina Sörensen manages Spain’s NNA, CNMV. The CNMV is the Spanish supervisory authority for the securities market, where Cristina is Deputy Director responsible for the Secondary Market Department reporting obligations and compliance. In addition to her role at ANNA, Cristina is also a board member for the Derivatives Service Bureau (DSB) and a major advocate of financial instrument identification, classification, and high-quality reference data.
On 10 June, preceding the General Meeting, an “ANNA Meets the Market” event was organised as an opportunity for market participants and ANNA members to connect.
The ANNA Meets the Market day included a welcome and panel moderation from Marcus Müntener, Head Business Management & Risk, SIX Financial Information. Marion Leslie, Head Financial Information and Member of the SIX Executive Board gave a keynote on “The Future Of Financial Market Infrastructure – a Swiss Perspective”.
The afternoon session centred around the topic of evolving standards with a panel discussion “From Identifiers to Infrastructure: Standards for the Digital Asset Era” moderated by Laura Stanley Director of Entity Data and Symbology at London Stock Exchange Group (LSEG) and ANNA Vice Chair, plus a keynote speech on the same topic from the ANNA Treasurer Slawomir Zajac.
The General Meeting opened with an address from Bjørn Sibbern – CEO, SIX.
Cristina Ribó Sörensen, Director of the ANNA Management Body commented: “I am delighted to continue serving on the ANNA Board as regulatory reporting and financial data standards continue to evolve across our industry. Robust international identifiers remain fundamental to transparent, secure, and efficient markets, and by working collectively, we can advance data standards, elevate data quality, and ultimately support a more effective global financial ecosystem”.
The next ANNA General Meeting will be held in Santa Cruz, Bolivia 2-4 December 2026.
For further information on ANNA meetings and events, please visit here.