Our Amsterdam office


In the Netherlands, where we operate as Infinium, we have been offering consultancy, transformation, technology and data expertise to Dutch banks and Insurers since 2014. Our people have extensive experience of working in financial markets, both in the Netherlands and other financial centres such as London, New York and Hong Kong.

Our combined experience, delivery track record, client relationships and reputation offer our clients a real alternative to big brand consultancies. 

We are renowned for delivering complex initiatives, ranging from the delivery of one of the largest integration programs following a major take-over and merger to playing a major role in the divestment and wind-down of a major bank.

More recently, we have supported a number of global banks with their Brexit programmes.

The business is also focused on the latest technologies. In close collaboration with Nextwave UK, the Netherlands office has an extensive set of technology partnerships with some of the worlds leading fintechs and regtechs that focus specifically on delivering solutions in the areas of Big Data, Risk Management, Regulation, Finance, Compliance and Fraud. 

These activities underpin our mission to offer effective solutions through the use of the latest technology, created with our in-depth market knowledge and expertise.

We are NEN4400-1 certified.

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We are independently recognised as a Great Place To Work. 



Our leadership team in Amsterdam


David Aston
CEO, Infinium

David has 30+ years experience in Financial Markets, is one of the Founders of the NextWave Group and is the CEO and Founder of NextWave-Infinium, our Dutch based business that services our EU based clients. Based in Amsterdam since 2004, he has an in-depth knowledge of The Netherlands and the European Finance sector. He is responsible for the NextWave business in Europe.
David has an extensive track record of successfully delivering highly complex, high-profile transformation programs for tier-1 banks. Combining his passion for Finance with a strong entrepreneurial drive, David has also played leading roles in helping to launch, build and scale niche consultancies, growing businesses to in excess of 150 FTE, across multiple locations. An active mentor, supporting numerous tech start-ups, David speaks English, French and Italian.


Yann-Pablo Terreyre
Partner, Infinium

Yann-Pablo has over 16 years’ experience in the Banking sector. During his career, his responsibilities have included developing detailed plans, designing and documenting processes, designing performance metrics and target operating models all with a primary focus on regulatory change. His expertise in banking and technology knowledge means he is able to act as the bridge between business and technology teams, operating on both a local and Global level, ensuring stakeholders come together to achieve a successful delivery outcome. He has held positions and conducted engagements with clients such as ING, Rabobank, HSBC, Barclays and JP Morgan.



Toby Smith-Cullen
Partner, Infinium

Toby joins our partner group and brings with him about 20 years of experience in transformation and innovation in the financial industry. Toby grew up in Leiden, in the Netherlands and has Dutch and British nationality. Toby joins us from ING where he worked as their Fintech partnership lead, connecting the various business to high impact Fintechs. Prior to that he helped build the ING transformation office. Before joining ING in 2006, Toby worked in London and Hong Kong delivering change at several banks. He began his career at Accenture after completing his Master of Science at Delft University of Technology. Toby is an enthusiastic triathlete and has completed a number of Ironman 70.3 races.



Erik Rowbotham
Partner, Infinium

Erik is a change delivery leader, advisor and program manager in the financial services and consulting industries. His experience spans product, program, and project delivery, this includes internal (up to C-level) and third-party (vendor/supplier) engagement. This experience is academically complemented by an accounting and business background. His previous clients include Royal Bank of Scotland (RBS), Direct Line Group (DLG) Insurance, HSBC, London Stock Exchange Group (LSEG) and Rabobank. Some of his skills include senior stakeholder management (internal and external), strategic thinking, technology implementation, multi-disciplinary team management, transaction reporting issue management, transparent and empathetic working style, pragmatic, and can ‘read between the lines’ in political environments. He is a British national, based in the Netherlands, who has worked internationally, with many different nationalities and cultures.

At NextWave Infinium, Erik is the Regulation & Compliance Practice Lead. This has involved working with, and communicating to, senior stakeholders (managing board members, steering committees, tribes/areas etc.), building teams, and solving problems. Currently, he  mentors individuals, stakeholders and multi-functional teams, whilst empathetically introducing change, governance and structure via traditional, agile and bespoke methodologies.



Jeanette Zeilmaker
Operations Head, Infinium

Jeanette is the head of operations for Infinium in The Netherlands. She is Dutch and grew up in the Netherlands. She has more than 29 years of experience in the field of Operations. During her career she has specialised in operations management, working for a large work placement company. Jeanette began working with the Infinium team in 2020, and her extensive experience of how consulting works, Dutch employment law, HR, invoicing, Lean processing and contract management have helped us to build a fully NEN-44001 compliant business, something that is highly prized by the large Dutch Financial Institutions we work with.



Helen Bull

Partner, Infinium

Helen leads our Transformation practice and primarily works with large corporate clients. She has extensive experience of operating at Board-level and in the financial services and corporate industries in the UK, Germany, and Netherlands.

Helen has a track record of successfully delivering complex transformation and change management programs across Finance, Procurement, and Regulatory functions. More recently, Helen worked with ABN Amro, the Royal Bank of Scotland (RBS), and Koninklijke Philips. Helen is a fully certified project manager, mentoring and training project managers and PMO teams.

Helen is a dual British and New Zealand national and English speaker with a working knowledge of Dutch, having moved to the Netherlands in 2003 from the UK.

Our values


Each of our local offices also has a set of team values aligned to the local market and culture. In The Netherlands we use CODE.
castle, chess, defense, strategy, game


Solving complex multi-dimensional problems for clients is very important to us (digital technology, processes and people). 



We want to create, and be part of, a team that is open and trusting – a collaborative, connected atmosphere (like a 'family').


Deep & Diverse

We take pride in combining deep, specialist and diverse skillsets along with technology – it’s okay to be 'nerdy'!

gold, jewelry, shining, investment


We want to have fun and enjoy the journey together!

Contact us

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Edge Olympic, Fred. Roeskestraat 115, Amsterdam





+31 (0) 646627480

KvK number 37149913

Infinium is NEN 4400-1 compliant

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