Takayuki Tsujii was born in Tokyo in 1968. He discovered soccer in London, during a one year stay in 1977, and went on to play for Waseda University and in Japan Regional Football League, equivalent to the 3rd division. After retiring as a player, he completed a master’s degree at Waseda University Graduate School of Social Sciences, specializing in the philosophies of Japanese nature conservation. At the age of 30, he joined the California-based outdoor apparel company, Patagonia, as a part-time staff member. After working at the Tokyo/Shibuya store, he became a full-time employee, gaining experience in marketing and wholesale. He served as the General Manager of Patagonia Japan from 2009 to 2019. He became a board member of the J. League in 2022 and since 2023 has been an executive officer in charge of sustainability. He dedicates most of his time to surfing and snowboarding while he is out of the office.
Main Summit
Danielle Doza
Danielle Doza is the Vice President of Sustainability and Environmental Services for the Cleveland Cavaliers and Rock Entertainment Group, the first dedicated senior level sustainability position in the NBA. At the Cavs, Danielle works across the company on sustainable operations, procurement, and reporting, supporting the marketing and communications teams, and integrating sustainability into partnership development. Danielle was previously recognized by Sports Business Journal as “One to Watch” for women in sports and sustainability and as a “Notable Leader in Sustainability” by Cleveland Crain’s Business.
Prior to joining the Cavs, Danielle was a corporate sustainability consultant as the co-founder of a small firm, where she helped manufacturing and consumer product companies with sustainability strategy development, reporting, and project-based challenges.
Danielle is a graduate of The Ohio State University and Cleveland State University College of Law. She received an executive certificate from the University of Pennsylvania Center for Social Impact Strategy.
Rafael Muela Pastor
General Manager at Real Betis Balompié Foundation since 2018, with experience in policy design, institutional coordination and field interventions in Asia, Central America, Europe, and United Nations global events. Specialising in environmental issues, sports, youth employment, social inclusion of vulnerable groups of people, within the framework of Corporate Sustainability.
Prince Osisiadan
Prince Osisiadan is a Lawyer, Engineer, and Sustainability Expert with extensive experience across mining, oil & gas, construction, finance, transport, hospitality, tourism, and sport. He has previously worked with global industry leaders, including AngloGold Ashanti and Newmont Corporation.
He is currently pursuing a Master’s degree in Sustainable Urban Development at the University of Oxford, and is an alumnus of KNUST, GIMPA, the University of Twente, and the University of Cambridge.
Prince is a member of the Ghana Bar Association and the Ghana Institution of Engineering, and holds professional certifications as an ISO 14001 Lead Auditor and a Sustainability and Climate Risk Professional (GRI & GARP). He is also a GRI-certified trainer in sustainability reporting.
He is the CEO of SUCCA Africa Ltd, and serves as a Board Member (African Region) of the Global Alliance of Impact Lawyers, a member of the International Bar Association, a Steering Committee Member for Sport20, and an Adjunct Lecturer at the University of Professional Studies, Accra.
Inês Ribeiro
Inês Ribeiro is a Quality and Environmental Manager in the Sustainability Department at FC Porto. She holds a Bachelor’s degree in Environmental Health and a Master’s degree in Occupational Health and Safety in Organizations.
Passionate about sustainability and organizational improvement, her work bridges environmental management, quality systems, and sustainable development. In addition to her professional experience, she has contributed to academic research through publications in international scientific journals, including Safety and Sustainability, with a particular focus on sustainability in higher education.
Through both practice and research, Inês seeks to promote innovative and impactful approaches to sustainability across different sectors.
Ashley Gladney
Ashley Gladney serves as the Sustainability Program Manager for Charlotte Regional Visitors Authority, where she leads initiatives that advance environmental sustainability across the organization’s operations and venues, including Spectrum Center and NASCAR Hall of Fame.
Nicolas Bonneau
Nicolas Bonneau coordinates Decathlon’s landmark study on the environmental impact of sports practice, alongside his role leading the Digital Transformation of Sports. An engineer by background, Nicolas spent a decade in consulting, leveraging digital and data to optimize low-carbon railway mobility across France. Four years ago, he brought his expertise to Decathlon to drive digital sustainability initiatives, building automated and reliable carbon accounting across its entire value chain.
A passionate trail runner, hiker, and daily bike-commuter, Nicolas is driven by a deep connection to natural ecosystems. He combines data rigor, digital innovation, and sustainability expertise to help the sports ecosystem transition toward a low-carbon future
Joanna Czutkowna
Joanna Czutkowna is CEO of 5THREAD, a consultancy specialising at the intersection of sports, sustainability and apparel. She has extensive experience in product innovation and global supply chains. With over 20 years of international experience, including a decade based in China, she has led global sourcing strategy and innovation departments for some of the world’s largest apparel brands. Working across every part of the product development and production process, she has extensive hands-on industry insight into systems change, which she uses to support organisations’ transition towards more circular business models. Joanna is also a doctoral researcher completing a PhD on the circular economy in sports apparel, host of the 5THREAD Podcast and founder of the Sustainable Sports Apparel Charter.
Melanie Lee
Melanie is the Senior Director of Ballpark Operations for Major League Baseball (MLB). In this role, she works with all thirty Major League Clubs and 120 Minor League Clubs in the following disciplines: security, guest services, concessions, and environmental sustainability. An important part of this position is to understand the balance and overlap between these different focus areas. Responsibilities also include special event operations and planning, best practice sharing, ballpark assessments, and MLB security initiatives such as the SAFETY Act application. Melanie is on the leadership committee for both the MLB Asian and Pride Employee Resource Groups.
Prior to joining MLB in July 2015, Melanie has worked for various sports organizations including Madison Square Garden, the New York Mets, the Barclays Center, and the Detroit Red Wings. Melanie stays active in various industry organizations serving on the ALSD PX Global Council and the National Center for Spectator Sports Safety and Security (NCS4) Professional Advisory Committee.
Melanie has her Masters in Homeland Security from Northeastern University and is a proud graduate of the University of Michigan, where she earned her BA in Sports Management.
Julien Pierre
Julien Pierre is a former international rugby player and an entrepreneur committed to the responsible transition of the sports sector. Following a career spanning over fifteen years at the highest level—highlighted by appearances for the French national team and several national titles—he founded Fair Play For Planet in 2020. This was the first eco-responsible certification label dedicated to sports organizations. Through this initiative, he helps clubs, federations, event organizers, and sports facility managers reduce their environmental impact and strengthen their societal role by providing a universal tool to structure, measure, and showcase their comprehensive sustainability efforts. Today, more than 130 organizations across 15 different sports disciplines and four countries (France, Belgium, Spain, and Switzerland) have committed to the Fair Play For Planet process.
Convinced that sport can be a powerful driver of transformation, he regularly works with organizations to share his experience and raise awareness among industry stakeholders about environmental and societal issues.
Fair Play For Planet: https://www.fairplayforplanet.org/
