Tracey Herald is ESG Lead at giffgaff, where she leads the company’s sustainability strategy and responsible business agenda. She believes businesses have a unique opportunity to create positive change, balancing value for people, communities, the planet and shareholders alike. Passionate about turning ambition into action, Tracey builds partnerships and programmes that address challenges such as digital inclusion, financial resilience and climate action. She is committed to delivering meaningful, measurable impact that helps create a fairer and more sustainable future.
Main Summit
Jess Dunning
Jess Dunning is a Community Renewables Manager at Younity, supporting community generators with a route-to-market. She has worked in Community Energy for several years with roles across energy supply, project development, policy, membership and advocacy. Jess is a non-executive director of Westmill Wind Farm Co-Operative and will be a non-executive director of Pledgeball’s community energy society.
Melissa Humana-Paredes
Melissa Humana-Paredes a 2 time Olympian in beach volleyball and an EcoAthletes Champion.
The Canadian Olympic beach volleyballer had an “immediate calling” to the sport when she was four years old.
The Toronto native with a lifelong appreciation of nature and love for animals then heeded “a calling to dive into environmental studies”.
Ashley Keber
Ashley Keber is Senior Vice President, Member Relations at the WTA, bringing almost 30 years of experience across elite sport, athlete development and professional women’s tennis.
Since joining the WTA in 1997, Ashley has played a leading role in developing and delivering pioneering programmes designed to support female athletes throughout every stage of their careers. Working closely with players and tournaments across the global Tour, her remit spans player leadership and governance, education and career development, membership benefits and programmes designed to help athletes thrive both on and beyond the court. Her work also includes the development of the PIF WTA Maternity Fund, an industry leading programme which provides eligible players with paid maternity leave and grants towards fertility treatment, helping create greater choice and security for athletes balancing their careers with starting a family.
Prior to joining the WTA, Ash worked as a broadcast liaison at the Atlanta Olympic Games, supporting international broadcasters including the BBC and Eurosport. Her connection to tennis began earlier as a coach at Nike Summer Tennis Camps at the University of Florida, where she graduated with a degree in English Literature and a minor in Economics. Drawing on her own background and experience in sport, Ash is a passionate advocate for athlete-centered leadership and creating greater opportunities for women. Her work focuses on ensuring athletes have a meaningful voice in their sport and building fairer, more sustainable environments in which female athletes can fulfil their potential.
Sammy Roth
Sammy Roth is a columnist and storyteller focused on the intersection of climate and culture. His main project is Climate-Colored Goggles, an independent newsletter seeking climate solutions in pop culture, media and sports. Previously, he was the energy reporter and climate columnist at the Los Angeles Times, where he wrote the Boiling Point newsletter and hosted the Boiling Point podcast. Before that, he covered energy and the environment for the Desert Sun and the USA Today Network.
Kathleen Stroia, M.S., P.T., ATC
For more than three decades, Kathleen Stroia has been one of the world’s foremost leaders in advancing athlete health, performance, and women’s health in professional tennis, shaping the standards of care that influence the sport globally. Kathleen has been a driving force behind the evolution of professional tennis through innovative programs that support athlete development, optimize performance, and safeguard long-term health.
As the founder of the WTA Sport Sciences and Medicine Department, Kathleen established the first comprehensive, tour-wide health and performance program in professional women’s tennis. Under her leadership, the department has become a global model for integrating sports medicine, performance science, women’s health, research, and athlete development. In addition, Kathleen serves as Chair of the WTA Women’s Health Taskforce, leading initiatives that advance education and awareness, expand access to healthcare resources, and promote research, policy, and best practices that improve the health of WTA athletes and active women worldwide.
Since joining the WTA in 1990, Kathleen has played a pivotal role in designing the WTA’s player development programs, implementing the WTA Age Eligibility Rule, leading the development of the WTA COVID-19 Protocols during the global pandemic, and establishing the WTA’s fertility and maternity support programs. She also founded WTA Labs, the organization’s research division, to advance evidence-based innovation in tennis medicine and athlete care.
Beyond the WTA, Kathleen has coordinated healthcare services for women’s tennis at nine Olympic Games and served directly as an athletic trainer and physical therapist during the London 2012 Olympics.
Hunter Clapham
Dave Powell
Dave is a climate communications expert and podcaster. He works for the journalists and content creators, the Local Storytelling Exchange, and has two decades of experience in understanding and advising on how best to talk with just about anyone about the state of the planet. He’s the host of Your Brain on Climate, a podcast about how human brains do (and don’t) deal with the climate crisis.
Eliot Whittington
As part of CISL’s senior leadership team Eliot leads CISL’s work to convene collaborations, develop new insight and engage with policy to unlock systemic change.
He is responsible for teams supporting CISL’s Corporate Leaders Groups, which bring businesses together to positively engage with EU and UK policy makers; CISL’s Centre for Sustainable Finance, which brings banks, insurers and investors together to shift the financial system, CISL’s role in the Aviation Impact Accelerator and CISL’s research work including The King’s Global Sustainability Fellowship Programme.
Eliot’s work has a strong focus on climate change, but he also helps drive action on nature, the circular economy, plastics and issues around the social and justice implications of economic change. He represents the Corporate Leaders Group on the board of the We Mean Business Coalition and has been responsible for CISL work that has included collaborations with the World Bank, the Intergovernmental Panel on Climate Change, the UNFCCC, a number of European governments and a wide range of senior business stakeholders. He regularly advises business and government and has sat, for example, on the UK government’s BEIS Economic Recovery Taskforce on Net Zero and Treasury Net Zero Review Technology and Innovation Advisory Group.
He has over 25 years’ experience in working to unlock systemic change, including providing policy analysis around climate action for Save the Children and Christian Aid, leading Christian Aid’s UK lobbying work with parliamentarians and political parties, and working on mobilising grassroots campaigning in locations from Addis Ababa to Birmingham.
Stéphane Dezerable
Stéphane Dezerable is a Senior Consultant in World Athletics’ Health and Science Department, focusing on air quality and heat, and part of the team behind Running for Clean Air. A biotechnology engineer by training, he began his career in healthcare and public health, then spent nine years as Head of Corporate Social Responsibility, Fundraising and Strategic Alliances at the FIA.
