Assheton Carter

Executive Chair and Founder

Assheton is an expert on responsible sourcing, sustainability standards, environmental markets, non-financial risk, and responsible investment. He has more than 30 years of experience focusing on international supply chains.

Dave Crew

Chief Executive Officer

With more than 20 years of experience in business growth and organisational transformation, Dave Crew leads TDi Sustainability as CEO. An experienced entrepreneur with a PhD in Business Administration and MSc in Economics.

Aleksandra Cholewa

Chief Transformation and Growth Officer

Aleksandra has more than 15 years of leadership experience in responsible sourcing, ESG, and complex global supply chains. She works at the forefront of critical minerals, traceability systems, and digital innovation, leading multimillion dollar investments.

Julija Menise

Senior Vice President

Julija specialises in developing frameworks and standards that enhance supply chain transparency and ESG compliance. She has extensive on-site audit and assessment experience ranging from mining and smelting to manufacturing and retail.

Soledad Mills

Senior Vice President

With more than 20 years of experience in the ESG space, Soledad is a sought-after advisor, facilitator and thought leader on strategies, standards, and best practices in responsible sourcing and sustainable development.

Hayley Flack

Chief Operations Officer

Hayley excels in the development, implementation and monitoring of day-to-day operational systems and processes. She has the vital task of developing TDi's policies and standards, fostering a inclusive and productive environment.

Tapiwa Chinowaita

Chief Technology Officer

Tapiwa leads the development and commercialisation of cutting-edge digital platforms focused on enabling responsible sourcing through actionable ESG data.

Charlotte Selvey Miller, PhD

Head of Innovation and Productisation

With over 10 years experience working within supply chain risks, Charlotte has a varied and unique skillset well suited to tackle environmental and social issues in a range of major industries and value chains, whilst...

Sarah Wilkinson

Head of Marketing

Sarah has more than 20 years' of experience in communications and marketing, with particular experience in the biodiversity conservation, agriculture, forestry and academic publishing sectors.

Joséphine Quioc

Head of Supply Chain Resilience

Joséphine Quioc is an accomplished sustainability professional with extensive experience in mineral responsible sourcing audits and supply chain sustainability. She's a subject matter expert in mineral due diligence, ESG standards and chain of custody practices.