Clémentine Calvier

Greyfern Partners supports impact-driven organizations, from funders and foundations to mission-led companies and field actors, by working with their teams to clarify priorities, structure organizational and economic models, and implement practical action plans tailored to their operational constraints and impact goals.

– Advised CAC 40 and multinational organizations on large-scale ESG and sustainability transformations, from executive strategy to operational deployment. – Designed impact, governance, and risk frameworks to strengthen long-term positioning, regulatory alignment, and organizational resilience. – Led cross-functional programs aligning leadership, procurement, operations, and sustainability teams around shared strategic priorities. – Delivered skills-based pro bono advisory engagements for NGOs and social enterprises through the Accenture Foundation, supporting their structuring, development, and scaling strategies. – Facilitated stakeholder alignment and decision-making processes in complex, multi-actor environments.

– Designed a methodology tailored to the company's size and challenges to calculate the water footprint across the entire supply chain, from cotton farming to packaging. – Conducted in-depth analysis and computations based on data from cotton fields, dyeing processes, manufacturing, and packaging operations, mainly in India. – Assessed waste generation, identifying opportunities to reduce material use. – Engaged with stakeholders at each stage of the supply chain to collect insights and validate assumptions, ensuring an accurate assessment of water consumption and waste impact. – Compiled findings into a comprehensive report, detailing key impact areas and providing actionable recommendations for water and waste reduction strategies

Just One Click is a free educational platform with short articles on activists and projects tackling social and environmental challenges. – Hired 3 interns

Development and Research on communication strategies to increase profits and visibility of urban agriculture articles.

– Elaboration of events for major companies: from the briefing to the quotation and logistics. – Coordination of events directly in the field. – Management of large-scale operations.

– Teaching English to a class of seven years old children. – Development of a program and a comprehensive follow-up table to understand the singular progress of each child.

– In charge of searching relevant leads to launch new campaigns. – Use of various Marketing tools such as MailChimp, ConstantContact, Linkedin Sales. I also searched for way to increase productivity in my work by using extraction tools among many others. – Analysis of e-mail marketing reports. – Participation in a network event and in important meetings concerning the company's evolution.