Yemi Oluseun

Transformation Operator | Finance, Treasury & M&A

Founder of The Change Hive | London-based, working across the UK and internationally.

Yemi Oluseun, Treasury, Finance and Risk Transformation operator.

I lead complex transformation from strategy through operational reality.

For more than 15 years, I’ve worked across Finance, Treasury, Technology and operating-model change in global banks, international organisations, investor-backed technology businesses and other complex environments.

My experience spans standalone transformation, post-merger integration, carve-outs and separation, legal-entity change, programme recovery, platform modernisation and go-live. I am at my best where the work crosses functions and somebody needs to turn complexity into clear decisions and delivery.

How I work

The Change Hive is a founder-led specialist practice. I lead client work personally rather than handing it to a large junior team.

I work on project and interim transformation mandates and can bring in trusted specialist associates where additional capacity is genuinely required.

Selected experience


J.P. Morgan — post-merger technology integration, custody-platform transformation and regulatory change.
Barclays — UK ring-fencing and Brexit-driven legal-entity separation, client migration, technology and go-live.
UBS — regulatory client/legal-entity migration from Jersey to London.
IFAD — multi-stream Treasury and Finance transformation.
PE-backed technology businesses — Finance/Technology transformation and international expansion.

Continuity by Design

I also created Continuity by Design, an ongoing body of work on how organisations preserve customer value, knowledge and capability through change. It brings together my channel, newsletter, selected research and practical frameworks. My doctoral research interest in organisational continuity informs this work, while my client work remains focused on transformation delivery.

Selected credentials

Executive MBA – London Business School

PMP

PRINCE2

Certified Commercial & Workplace Mediator

Six Sigma Green Belt

Additional Finance, Technology and governance credentials as relevant

Selected Recognition

Computing AI Leadership Index 2026 | Thinkers360 Consultant of the Year — Distinguished Achievement, Great Britain | ICMI Top 25 Thought Leaders 2026
Public contribution
Written evidence cited in final House of Lords and House of Commons committee reports in 2026.

Working through complex change?

Tell me what you are trying to deliver and where you need senior support.