Our team

Glenn Mandziuk, MEDes., MCIP, RPP, FRSA, is an internationally recognised and award-winning Chief Executive whose 30-year career spans tourism, hospitality, and economic development across the corporate, charitable, and not-for-profit sectors. A visionary leader and transformational strategist, Glenn has dedicated his life to advancing sustainability, equity, and inclusivity – turning industries and communities into global exemplars of responsible growth.

As Chief Executive Officer of the World Sustainable Hospitality Alliance, he leads the world’s most influential hospitality coalition, representing over 66,000 hotels and 8 million rooms, uniting CEOs, governments, investors, and NGOs to accelerate the transition to Net Positive Hospitality. Renowned for building high-performing organisations and forging powerful partnerships, Glenn has steered landmark initiatives that have reshaped global standards in carbon and water measurement, circularity, employability, and destination stewardship. His leadership has secured prestigious honours, including United Nations QUEST accreditation, Biosphere GOLD Certification, and recognition among the Top 100 Most Inspirational People in Global Travel and Hospitality.

Before his current role, Glenn served as President and CEO of the Thompson Okanagan Tourism Association, where he delivered a transformative 10-year strategy that became a United Nations-recognised model of sustainable destination management, advancing Indigenous relations, accessibility, and regional prosperity.

Equally at home in boardrooms, classrooms, and community halls, he is a sought-after keynote speaker who has inspired audiences on six continents, from UN Climate Conferences to the Future Hospitality Summit, sharing his conviction that business must be a force for good. Approachable, entrepreneurial, and deeply collaborative, Glenn has consistently demonstrated that strategic vision, when paired with humanity and courage, can leave lasting legacies for both people and places.

Peter brings extensive expertise in sustainability, consumer insights, and political advocacy, gained from his work in civil society, the retail and food industries, and his close collaboration with UN entities, governments, and businesses.

He leads the development and implementation of the Alliance’s programmes – such as the Net Positive Pathway, High Ambition Movers and Accelerators – towards achieving Net Positive Hospitality, as well as strategic planning with the CEO.

Peter’s tenure as Director of Consumer Rights, Innovation & Impact at Consumers International, saw him lead initiatives on sustainable consumption, energy transition, and the future of food, amplifying the consumer voice and driving systems change to address global challenges. Prior to this, he served as Head of Sustainability Policy at the British Retail Consortium where he spearheaded the creation of the industry’s first Climate Action Roadmap, which set an ambitious target of Net Zero emissions by 2040 and influenced the development of the UN’s Race to Zero: Breakthroughs Retail Campaign.

He is a Trustee of the charity Focus on Labour Exploitation and has co-chaired the UK Government Home Office’s Modern Slavery Strategy and Implementation Group on Transparency in Supply Chains.

Abi is a versatile and experienced executive assistant, having provided C-Suite support across Finance, Technology, and the Legal sector.

Joining the World Sustainable Hospitality Alliance in 2023, Abi supports the CEO with diary management, travel management, and support with day-to-day activities.

Chloe is responsible for building and maintaining strong relationships with our members and partners, supporting business growth and programme engagement.

Prior to joining the Alliance, Chloe worked for charitable foundations for over 10 years, Previously running the UK branch for The Hope Foundation UK, working on the ground in Kolkata with street connected children, and managing the UK office.

Chloe joined the Alliance in September 2022, and is very proud to be part of this movement towards a more sustainable future for our people and planet.

Laura is responsible for managing the Alliance’s marketing efforts to promote the organisation’s products and initiatives.

With a background in food and beverage management, throughout which she was the driving force behind a company-wide reduction in waste and single use plastics, Laura has a wealth of experience in building engagement and communicating the ethos of hospitality brands.

Whilst studying BA (Hons) Multimedia Journalism at Bournemouth University, Laura shared and celebrated the work of student fundraisers, as Communications Officer for the charity arm of the university. Going on to manage all marketing and communications for the government’s Holiday Activities and Food programme in Essex, her experience spans across strategic planning, creative design, content development and  data analytics.

Isabel Novoa is a passionate advocate for the transformative power of sustainable tourism. Holding an MBA, a Master’s in Business Innovation, and a certification in Sustainable Business, she possesses extensive experience across the private tourism sector in South America. Isabel has previously served as President of the International Social Tourism Organization (ISTO) and as Sustainability and Corporate Affairs Manager at Grupo Novojet, a leading Chilean tour operator known for its commitment to socially responsible tourism.

In her role at the Alliance, Isabel spearheads initiatives that promote inclusion, employability, and sustainable innovation in the hospitality sector.

Michelle Mason is responsible for developing, supporting and implementing socially sustainable initiatives, fostering partnerships and advocating for socially responsible practices across the hospitality industry.

Michelle is a highly experienced HR professional with 20 years of management experience, specialising in recruitment. She is passionate about ethical recruitment and promoting equity, diversity and inclusion.

As Ethical Recruitment Programme Manager for the World Sustainable Hospitality Alliance, Michelle works with the hospitality industry to raise awareness of risks in the recruitment process and supports hotels to implement ethical recruitment and due diligence processes. She is passionate about making a change in the hospitality industry and is driven by her commitment to help others.

Shiksha manages our Employability Programme in the Asia Pacific region.

Shiksha has six years’ experience in education and community development, previously working for the Kherwadi Social Welfare Association – an Indian national non-profit where she managed the organisation’s activities in the Delhi NCR region.

Prior to joining World Sustainable Hospitality Alliance, Shiksha worked on the Headmaster Leadership development programme with the Mumbai municipal government, for Gandhi Fellowship.

Shiksha holds a Post Graduate Degree in Development Communication from Jamia Millia Islamia Mass Communication and Research Centre in Delhi, India.

Samar is Senior Vice President of Strategy and Investment at the Alliance, alongside this she manages our Employability Programme in Egypt.

Samar Assem is a well-seasoned marketing and strategy consultant who has consulted over 30 companies varying between multinationals and start-ups, achieving phenomenal success rates with all the companies she advised.

She is also a founder of “The Growth Formula” Learning platform that enables young professionals to receive global quality expert-lead education at an affordable price believing in the power of education and skills development is for everybody to bridge the gap between education and job market needed skills.

Samar was chosen as one of the UN women advocates in 2021 supporting women in the region to get equal job opportunities and fair treatment.

Nelson has over 30 years of experience in managerial roles across the private, public, and not-for-profit sectors. He is a certified public accountant, a fellow of the Certified Public Accountants Association (CPAA) in the UK, and an associate of the College of Public Accountants (CCP) in Venezuela. Nelson holds a degree in Public Accounting, a Master’s specialisation in Finance, and a Postgraduate Diploma in Higher Education. He has also served on the Association of Certified Public Accountants’ Committee for the London branch.

In his current role, Nelson acts as Company Secretary and works closely with the Board, Committees, and the Executive Management Team, focusing on operational strategy, business and financial planning, and key decision-making.

Nelson’s passion for sustainability stems from his time with Arena Network, a UK-based environmental organisation that supports small and medium enterprises in adopting eco-friendly practices. His experience in supporting the organisation in the Annual Green Dragon Environment Awards fuels his commitment to promoting Net Positive Hospitality, believing strongly in its benefits for both businesses and the planet. He is also active in charity work and is a former Rotary Club member.

Nelson speaks both Spanish and English fluently and is learning Portuguese and Italian. He is also the founder of a dance organisation, which reflects his belief in dance as a unique form of exercise that enhances social engagement and well-being.

Bolaji Omotade, an FCCA-qualified accountant, joins the Alliance with extensive experience in financial management, governance, and operational efficiency, particularly in the not-for-profit sector. Her expertise in investments oversight and regulatory compliance will be instrumental in supporting the Alliance’s mission.