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David Lefferts

Managing Partner

David is Managing Partner of Expand Research and is responsible for driving Expand’s global business as well as client engagement in the Americas.

David has 25 years of experience in financial services across capital markets (equities, fixed income, derivatives) and payments (high-value and real-time). Most recently David was a Managing Director with SWIFT, leading their key strategic initiatives in payments and compliance in North America, working closely with global banks and market infrastructures. Before that, David held MD/senior product, strategy, and business development roles at IHS Markit, FINRA, and Thomson Reuters’ subsidiary Instinet Group.

David holds an MBA from Columbia University.


Franck Vialaron


Franck is one of the original founders of Expand and is responsible for product strategy as well as client engagements in France and the Asia region. Franck has a special interest in young technology ventures and has led the development of the FinTech Control Tower.

Prior to setting up Expand, Franck had a lead role in opening European field offices for several major technology companies in the capital market industry including Algorithmics Inc. (now acquired by IBM), Infinity Financial Technology Inc. (now owned by FIS) and Summit Systems (capital market front-to-back office platform now owned by Finastra).

Franck holds a master’s degree in Chemical Engineering from both Imperial College London and Grenoble INP – Phelma (France).


Damian McCarthy


Damian is responsible for the sales and marketing of Expand’s full suite of products and services and oversees the sales effort globally (London, New York and Singapore). In addition, Damian continues to manage key C- level client engagements across Europe.

In his role, Damian coordinates closely with BCG on group client engagements and product strategy. Since joining the firm in 2008, Damian has been integral to the inception, buildout and delivery of some of Expand’s most successful industry wide offerings.

Damian has over 15 years of experience in financial markets and functions including trading, technology, operations, and corporate functions. He also takes great pride in leading a number of annual C-level executive forums and industry roundtables.

Damian holds a bachelor’s degree in Business and Law.

Ian Holden


Ian joined Expand as a Partner in the London office in 2019. His focus is to further build out the existing retail banking and technology segments with research and benchmarking across the Customer, IT, and Operations functions.

From a regional perspective Ian will be leading the relationship with the Expand clients in both the Nordics and Southern Europe.

Ian brings 20+ years of financial services consulting experience in Europe and the US where he provided advisory and transformation services to banking clients in the areas of customer experience, operational efficiency / performance improvement and technology change.

Ian was formerly a Partner at KPMG Consulting / BearingPoint for 7 years, and a Partner in the Banking team at Capco for 3 years.

Ian holds a bachelors degree from the University of Leeds.


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