• EP 11: James Marsh finds out about Sarah Bentley's food justice cookbook 'We Cook Plants' and her wider social justice impact.
    Feb 11 2026

    In this episode of Big-time sustainability, find out about Sarah Bentley - an award-winning founder, author, campaigner, broadcaster and community builder, passionate about food and social justice. Her work inspires people to grow, cook and eat more plants to support both human and planetary health. She founded the pioneering plant-based community cookery school Made In Hackney, authored the food justice cookbook We Cook Plants, and is now Director of Food & Culture at Plant-Based Health Professionals UK, where she supports healthcare settings to adopt plant-rich food cultures.

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    36 mins
  • EP10: Dr Ragini G Roy discusses Carla Haddad Mardini's incredible sustainability journey at UNICEF
    Jan 24 2025

    In this episode of Big-time sustainability, Centre for Big Synergy's Dr Ragini G Roy finds out more about the accomplishments and leadership of global sustainability champion, Carla Haddad Mardini of UNICEF. Carla is the Director of UNICEF’s Private Fundraising and Partnerships. Here she leads the organization’s global strategy to leverage the private sector to generate sustainable income for UNICEF and drive partnerships for children worldwide.

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    31 mins
  • EP9: Dr Sourav Roy discusses Roberta Boscolo's leadership at the World Meteorological Organisation
    Oct 3 2024

    In this episode Dr Sourav Roy finds out more about the accomplishments and leadership of global sustainability champion, Dr Roberta Boscolo, Climate and Energy Lead at the World Meteorological Organisation. Roberta leads the Climate and Energy operations at the World Meteorological Organization in Geneva, Switzerland. Her main work is to enhance the capacity of countries to contrast climate change and enact sustainable development through scaling up science-based climate adaptations.

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    33 mins
  • EP8: Dr Ragini G Roy discusses Magali Anderson's incredible journey to be a sustainability champion
    Aug 4 2024

    Dr Ragini G Roy discusses Magali Anderson's incredible journey to becoming a sustainability champion in this edition of Big-time Sustainability. Magali is a Sustainability and Innovation Leader, formerly CSO Holcim. During her Holcim tenure, Magali was a member of the advisory boards of industry organisations: Business for Nature, the MIT Climate and Sustainability Consortium, the World Green Building Council and the 50L Home Coalition on water efficiency, amongst other leadership positions.

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    30 mins
  • EP7: Dr Sourav Roy discusses Beccy Speight's extraordinary sustainability leadership at RSPB
    Jun 9 2024

    Beccy Speight is the Chief Executive Officer (CEO) of the RSPB, the largest nature conservation organisation in the UK, with 1.2 million members, more than 2,000 employees and around 12,000 volunteers. She started her career in local government in Scotland, and then moved into management consultancy, working in mergers and acquisitions. Beccy became CEO at the Woodland Trust in 2014, led expansion of the organisation, and then commenced her present role at the RSPB in 2019.

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    32 mins
  • EP 6: Dr Ragini G Roy discussed Garrett Quinn's sustainability journey at Smurfit Kappa Group
    Apr 11 2024

    Garrett Quinn was appointed Group Chief Sustainability Officer and to the Group Executive Committee in July 2021. He was appointed as Director to the Smurfit Kappa Foundation in May 2022. Garrett is also the company representative to the World Business Council for Sustainable Development (WBCSD), The Conference Board (US), and the Consumer Goods Forum.

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    28 mins
  • EP5: Dr. Sourav Roy discusses Jeffrey Whitford's extraordinary sustainability journey in Merck KGaA
    Feb 21 2024

    As Vice President of Sustainability & Social Business Innovation for the Life Science business of Merck, Jeffrey Whitford is a strategic partner to accelerate, embed and amplify sustainability principles and impact across its business operations to drive new business models, margin expansion, revenue generation and cost savings.

    Jeffrey is Sustainability Hero of the Year (2023) by both the Stevie® Awards and Business Intelligence Group.

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    31 mins
  • EP4: Dr Ragini G Roy and sustainability champion Catherine Conway, Director of GoUnpackaged, discusses the future of zero waste.
    Jan 13 2024

    A true innovator, Catherine Conway, set-up the first version of Unpackaged in 2006 as the world’s first modern zero waste shop. Catherine’s passion for developing systems to enable refilling, and reuse, within various sectors has enabled many other businesses to create real and lasting change.

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    30 mins