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Laura Ashley-TimmsExpert on management performance, unlocking human potential and increasing engagement and productivity Leanne MaskellHelping you to work WITH your ADHD brain, not AGAINST it Michael WatkinsLeadership Transitions Expert, Professor of Organisational Change, and Internationally Best-selling Author of The First 90 Days Martijn Gribnau Proven Transformation Leader Chetan DubeAgentic AI expert and CEO of Quant AI Browse all experts...
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At a glance
- “Those who think the sky is the limit have no imagination”
- ☆ Proven transformation leader in banking, insurance and tech
- ☆ Chief Customer Success Officer at pioneering US AI firm Quant
- ☆ Former CEO of Volksbank, the Netherlands
- ☆ Former COO and CTO of U.S. Long Term Care & Life Division, Genworth Financial
- ☆ Former CEO of ING Insurance, Hungary and Bulgaria
- ☆ TEDx speaker and innovator
Leveraging technology to drive business transformation
Introducing Martijn Gribnau – a global authority in leveraging technology and change management to drive business transformation. A TEDx speaker and award-winning customer advocate, Martijn is renowned for transforming large organisations across banking, insurance and tech industries.
The former CEO and Chairman of the Board of Directors at Volksbank, the Netherlands, he navigated the bank through highly turbulent times, whilst boosting performance. Prior to this he was Chief Operations Officer and Chief Transformation Officer for US-based Genworth Financial Services.
He has also held a number of high-profile positions at ING, including global Head of Distribution, CEO of ING Insurance, Hungary and Bulgaria and was a member of the Dutch ING Banking Board.
Quant – leading the Agentic AI revolution
On 1 September 2025, Martijn joined New-York headquartered AI firm Quant as Chief Success Officer. Quant – led by AI pioneer Chetan Dube – is at the forefront of the Agentic AI revolution. It develops cutting-edge digital employee technology, set to redefine the future of customer experience.
Quant works with governments and corporations around the world – from the US to Europe to the Middle East – to revolutionise how they interact with intelligent systems, augment human productivity and drive profitability. Powering AI transformation across multiple industries – from airlines, healthcare and telecoms to utilities and insurance, Quant offers AI solutions to enhance customer interactions and boost operational performance.
Founder and CEO Chetan Dube – named as one of Forbes 10 most influential minds on AI – has consistently led pioneering efforts in the field. He previously built IPsoft into a groundbreaking leader in autonomics and Amelia into the top company in conversational intelligence.
Work with Martijn Gribnau
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