About

“People are the foundation of value creation, we approach that responsibility with precision and purpose”

Who We Are

We partner with renewable infrastructure funds, private equity, and independent power producers to build leadership teams that drive value creation, accelerate platform expansion, and enable successful exits.

Our focus is on outcomes, appointing the people who shape strategy, optimise portfolios, and de-risk delivery. Whether strengthening a management team ahead of a transaction or hiring technical leaders to scale new markets, we bring the insight and precision required to secure talent that performs.

We combine deep sector expertise with a commitment to service excellence, ensuring every search is executed with the rigour, confidentiality, and judgement our clients expect. The result is a trusted partnership that delivers lasting impact for your business, your investors, and the energy transition.

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Our Expertise

Our expertise lies in understanding how leadership drives value creation within renewable infrastructure. We partner with infrastructure funds, private equity investors, and independent power producers to identify and secure the people who accelerate growth, strengthen portfolios, and de-risk delivery.

Every mandate is underpinned by deep sector knowledge and a commitment to precision. Our multilingual consultants operate within defined specialisms from investment and asset management to development, engineering, energy management, and divestment, enabling us to deliver searches that are informed, targeted, and aligned with our clients’ strategic objectives.

By combining industry insight with a partnership approach, we provide human capital solutions that directly support investment performance, platform expansion, and successful exits.

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Our Vision, Mission, and Purpose

Vision

To set a new standard of excellence in executive search connecting exceptional people with the organisations driving the global transition to sustainable energy and infrastructure.

Mission

To empower value creation and positive change by delivering leadership talent that enables growth, strengthens performance, and de-risks execution across the energy transition.

Purpose

To make a lasting, positive impact on our clients, our people, and the planet through relationships built on trust, excellence, and shared progress.

Our Principles

Passion

We are driven by a genuine commitment to renewable infrastructure and the people who power it. Our passion lies in helping clients build platforms and leadership teams that accelerate the energy transition and create lasting value.

Excellence

We hold ourselves to the highest standards of rigour and delivery. Through market intelligence, precise execution, and deep sector expertise, we provide insight-led guidance that drives confident, high-impact decisions.

Commitment

We are fully invested in the success of our clients, our colleagues, and the outcomes we deliver. Every partnership is approached with discipline, focus, and accountability, ensuring consistent performance and enduring results.

Integrity

Trust is the foundation of our business. We act with transparency, discretion, and purpose, always guided by what is right for our clients, our candidates, and the long-term progress of the energy transition.

Diversity. Equality. Inclusion

Our dedication to Diversity, Equity, and Inclusion (DE&I) enhances our advisory capabilities for clients and fosters greater representation within our own workforce. We leverage diversity to stimulate creativity, equity to empower diverse talent and perspectives, and inclusion to cultivate a culture that celebrates differences and promotes authenticity.

Our commitment to DE&I extends throughout our organization. Rooted in our values, which embodied by our colleagues daily, our culture is open, inclusive, and committed.

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People. Purpose. Progress

We are committed to building a workplace where every team member feels valued, supported, and empowered,  grounded in mutual trust, shared purpose, and collective ambition. We believe that a culture of inclusion and respect is not only the right thing to do, but fundamental to building a high-performing, collaborative, and fulfilled team.

Our commitment to equality, fairness, and opportunity underpins how we operate within Walter Hewitt and across the renewable infrastructure sector. By fostering diverse perspectives and equitable practices, we aim to create meaningful impact for our people, our clients, and the global transition to sustainable energy.

Contact

“People are the driving force behind every organisation’s success, the foundation of value creation, performance, and culture.”

Matthew Riley, Founder & Director

Rhys William

Principal

Rhys leads search execution at Walter Hewitt, specialising in senior and specialist appointments across Battery Energy Storage Systems (BESS) and Grid Infrastructure. He partners with infrastructure funds, private equity investors, and independent power producers across Europe and the U.S., delivering leadership and technical talent that enable grid stability, flexibility, and energy transition goals.

Recognised for his precision and depth of market understanding, Rhys combines detailed sector intelligence with a tailored, data-led search methodology. He enables clients to secure the expertise and leadership required to deliver complex projects with confidence and precision.

Finley Walters

Practice Lead - Renewables & Infrastructure Legal Search

Finley leads Walter Hewitt’s Renewable Energy Legal Search Practice, partnering with independent power producers, infrastructure funds, private equity investors, and law firms to build high-performing legal teams across Europe and emerging markets.

With a foundation in law and experience spanning the full search lifecycle, Finley combines legal acumen with search expertise to deliver counsel and leadership talent who create strategic value. His work covers project development, M&A, regulatory compliance, contracts, and corporate governance, advising clients on the legal capabilities needed to enable growth, manage risk, and ensure operational integrity.

Finley is trusted by both in-house and private practice clients for his measured, insight-led approach and his ability to align legal strategy with organisational and investment objectives across the renewable infrastructure landscape.

James Cooper

Non-Executive Director

James was appointed Non-Executive Director of Walter Hewitt at the end of 2023. He is responsible for working closely with the leadership team to develop the company’s corporate, operational and client strategies.  James is a Director of the coaching and leadership business D3 Partnership, he sits on the Board of Trustees for the Lloyd’s Benevolent Fund and since 2016 has been the Founder and Managing Director of Damhurst, a leading executive search firm in the global insurance market.

Matthew Riley

Founder & Managing Partner

With over two decades in executive search, Matthew is the Founder and Managing Partner of Walter Hewitt, where he leads the firm’s strategic direction, growth, and client partnerships.

Matthew works closely with renewable infrastructure funds, private equity investors, and independent power producers, advising on leadership appointments and organisational design that underpin value creation, platform build-out, and exit readiness.

He remains hands-on with clients, bringing deep sector insight and a structured, outcome-focused approach to every engagement. Having delivered mandates across Europe, LATAM, and emerging markets, Matthew is recognised for his ability to align talent strategy with investment and operational objectives, helping clients navigate complex markets, scale with confidence, and deliver lasting performance.

+44 (0) 7854 156259

Eduardo Martinez

Associate Director

Eduardo oversees the execution of client mandates in the renewable energy and infrastructure sectors, managing projects from inception through to delivery. Together with his team, he works with infrastructure funds, private equity investors and independent power producers to identify and appoint technical, commercial and leadership talent that enables value creation and reduces execution risk.

He has successfully delivered complex and highly specialised searches across Europe and the U.S, covering functions such as Energy Management, Finance, Development and Portfolio Optimisation. Known for his analytical and insight-led approach, Eduardo supports clients in making informed hiring decisions grounded in market intelligence and sector benchmarking.

Ellie Miles

Office Manager

Ellie is Walter Hewitt’s Office Manager and provides vital operational and administrative support across the business. She ensures the smooth running of day-to-day activities and plays a key role in coordinating both internal operations and external company events.

With strong organisational skills and a collaborative approach, Ellie supports the team in maintaining the high standards of efficiency, professionalism, and client service that define Walter Hewitt. Her focus on detail and consistency helps create a well-structured, engaged, and forward-thinking working environment.

Claire Townsend

Finance

Claire provides finance support to Walter Hewitt, overseeing invoicing, client finance queries, and tax coordination. She works closely with our external accountants and advisors to ensure the business operates smoothly, efficiently, and in full financial compliance.

With a strong focus on accuracy and process, Claire plays an important role in maintaining financial discipline across the business, supporting the Walter Hewitt team in delivering a consistently high standard of service to clients and partners.