Lizzie Colden
Executive Director
About
Lizzie is a results-driven and values-led consulting leader with a strong track record of delivering substantial revenue growth through a combination of excellent delivery, deep integrity, and long-term client relationship building. Her ability to grow accounts from a low base is matched by her strategic foresight and deep consulting expertise—qualities that have made her invaluable to clients and teams alike. Currently leading the growth of the banking sector with Wavestone from the ground up, Lizzie is on track to deliver £4 million in revenue within just 18 months, with significant ongoing pipeline potential. Her success is built on consistently high-quality delivery and a reputation for integrity, which has earned her long-standing client partnerships and repeat engagements. Clients trust her not only to solve complex problems but to do so with transparency and care. A passionate and focused leader, Lizzie is equally committed to team development. She fosters a positive, inclusive culture where people are supported to learn, grow, and perform at their best. She mentors individuals across levels, many of whom have followed her across roles—testament to the trust, respect, and loyalty she inspires. With an expansive knowledge base across both Business and Technology Consulting, Lizzie brings expertise in business and IT strategy, sourcing, transformation, commercial management, operating model design, cost optimisation, and governance implementation. She combines this breadth of capability with a strong C-suite presence, having worked closely with Boards both as a consultant and in her capacity as a Non-Executive Director. While specialising in the Banking sector, Lizzie has advised clients across Tier 1 banks, challenger banks, building societies, mutuals, and technology platform providers—giving her a nuanced understanding of market dynamics, regulatory expectations, and the strategic and operational differences required for success across different models. In addition to banking, her consulting experience spans insurance, government, and retail sectors, adding further depth and versatility to her advisory skill set.
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United Kingdom
Information Technology & Services
Change Management, Change Consulting, Business Strategy, Banking, Financial Services, Sourcing, Strategic Sourcing, IT Cost Optimization, IT Strategy, Finacial, Strategy, Risk Management, Finance, Commodity Markets, Financial Modeling, Financial Analysis, Financial Risk, SAP, Analysis, Forecasting
Experience

Executive Director
SUMS Consulting International
Lizzie Colden's Contact Information
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