About

Why We Exist

At Marshall Sustainability, we believe the best strategies are the ones people can understand, act on, and feel connected to. The work of climate, community impact, regeneration, and responsible business shouldn’t feel confusing or overwhelming. When you make the work simple, human, and grounded in what’s real, change spreads — through teams, supply chains, communities, and the wider ecosystem you operate in.

That belief is what shaped our practice: strategy that makes sense, impact that fits the business, and stories that help people move together.

How We Work

Marshall Sustainability brings together a small, trusted collective of strategists, scientists, researchers, communicators, and systems thinkers. This lets us build the right team for each client — whether you need climate expertise, supply-chain insight, behavior change, community engagement, or story development. It also means you get senior-level thinking, without the overhead or complexity of a large consultancy

Meet the Team:

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    Philippa Cross

    FOUNDER

    Philippa works at the intersection of climate strategy, purpose, supply chains, and storytelling, drawing on senior roles at Unilever and Ben & Jerry’s. Recognized as one of the Top 50 Global Women in Sustainability, she holds a Master’s from the University of Cambridge, co-authored The Purpose Advantage 2.0, and brings a simple belief to her work: clarity creates momentum.

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    Victoria Morton

    CHIEF COLLABORATOR

    Vic is a social sustainability specialist and founder of Belong Collective, drawing on senior roles at Nike, Marks & Spencer, The Fairtrade Foundation and Unilever’s Refreshment division. Growing up on a farm shaped her lifelong commitment to the people behind our products, and she now helps organizations turn purpose, governance and supply-chain insight into action grounded in humanity and personal transformation.

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    Hannah Zimmerman

    SUSTAINABILITY STRATEGIST

    Hannah is a systems-focused sustainability strategist with more than a decade of experience helping organizations turn impact data, regulatory complexity, and stakeholder expectations into clear, actionable strategies. A former EDF Climate Corps Fellow, she brings analytical rigor and narrative clarity to every engagement, holding certifications in GRI, EcoVadis, and TRUE, and a master’s degree in Sustainability from Harvard.

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    Tyler Wagner

    BRAND STRATEGY SPECIALIST

    Tyler is a strategist focused on helping organizations use purpose to strengthen reputation, deepen relationships, and communicate their role in the world with clarity and authenticity. With certifications in GRI and TCFD and extensive experience across SASB and CDP, he has shaped ESG strategy and storytelling for brands such as International Paper, Southwest Airlines, Beam Suntory and Qualcomm, informed by his belief in purpose as a driver of resilience and well-being.

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    Manish Godkhindi

    DIGITAL PLATFORM SPECIALIST

    Manish is a Digital and AI specialist with more than 25 years of experience applying advanced analytics to real-world sustainability challenges, including ESG data platforms, net-zero solutions, climate risk, and circular economy insights. The former Global Managing Partner of the Analytics Lab at ERM, he brings deep expertise in building and scaling data-driven products, leading multimillion-dollar digital transformations, and helping organizations unlock new sustainable value through technology.