Beyond Green Travel was founded in 2005 by Costas Christ, a global sustainable tourism pioneer and visionary, who together with his wife Sally Christ, grew Beyond Green Travel into one of the world's most respected sustainable travel and destination stewardship consultancy firms. Beyond Green Travel was acquired in 2020 by Preferred Hotel Group and now sells its services through PTG Consulting, the corporate entity’s consulting division

Today, Nina Boys leads Beyond Green Travel for a new generation of sustainable hospitality and destination leaders, working with a network of sustainable tourism experts around the world.


Nina Boys, Vice President of Sustainability

Nina Boys is Vice President of Sustainability for Beyond Green Travel and PTG Consulting. In this role, she conducts hotel sustainability audits, oversees sustainable tourism development and destination stewardship projects, and works with clients to create strategic plans and craft messaging that embraces sustainability best practices and ensures impact in action. She also serves as an advisor on brand standards for Beyond Green, a global portfolio of curated hotels, lodges and resorts that represent sustainable tourism leadership.

With a background in hospitality management, a bachelor’s degree in Media, Culture & Communications, and a master’s degree in Sustainable Tourism Destination Management, Nina has helped travel companies, hotels, and destinations around the world establish best practices in conservation, community engagement, and environmentally friendly practices.

Bilingual in English and Spanish, Nina has also held roles as General Manager and F&B Director for top luxury properties in Latin America where she worked to improve and integrate sustainable tourism practices into the guest experience. Nina is also an accomplished travel writer and photographer with a keen interest in food culture who has been published in publications including National Geographic, Virtuoso Traveler, and The Huffington Post.