Our team includes sustainability professionals, passionate students, dedicated faculty advisers, engaged alumni, wise mentors, and heartfelt community members who all share our values, mission, and vision.

GreenLight has grown and evolved over the years, and hundreds of students have made a positive impression on our organization. We extend our gratitude to each person who has contributed to our development.

Thank you to our amazing team!


Our Board is inspired by our mission and committed to our goals. They contribute their time, money, wisdom, & heart to help achieve our vision. They are accomplished sustainability professionals with diverse experience.

Our team is seeking new board members with passion for sustainability, desire to help students succeed, and belief that business can do better. We are seeking individuals with specialties in nonprofit development, fundraising, legal, finance, mentoring, and more.

Explore Board Opportunities

Ashley Weisman

Program Development Director

Ashley Weisman earned her Masters of Sustainability Solutions at Arizona State University and was a Solutioneer as a student. At University Sustainability Practices, she works with staff and students to support and recognize sustainability transitions at ASU as the Sustainability Certification Program Coordinator. Ashley is passionate about sustainability consulting and curriculum for professionals and K-12 students.

Kevin Keleher

Executive Director & Co-Founder

Kevin graduated from ASU’s School of Sustainability and W.P. Carey School of Business with honors in Economics of Sustainability and Supply Chain Management. He lives and works at Arcosanti, a unique urban laboratory of arcology which fuses architecture with ecology. Kevin likes cats and all things green.

Ryan Mores

Operations Director & Co-Founder

Ryan Mores serves as Vice Chair on the Tempe Sustainability Commission, and works at ASU’s School of Sustainability. He earned concurrent degrees in Business Sustainability & Supply Chain Management, as well as an International Business Certificate, from ASU’s W.P. Carey School of Business.

Nathan Gassmann

Senior Director & Co-Founder

Fatherhood laid the foundation for Nate’s interest in sustainability, and he is now a practicing sustainability professional. Professionally, Nate is the Manager of Global Sustainability for Subway restaurants and he has held prior roles with PepsiCo’s Global Office of Sustainability. Nate is also passionate about the nexus of sports and sustainability, with experience working on and leading projects at sporting events such as the College Football Playoff Championship, the Super Bowl, and the NFL Draft. Nate is a Summa Cum Laude graduate of ASU’s School of Sustainability and he maintains a Total Resource Use Efficiency (TRUE) certificate.

Favian Horta

Network Engagement Director

Favian is an alum of ASU’s W.P. Carey School of Business and was a student Solutioneer during the first few semesters that GreenLight Solutions was active. He works as a Production Scheduler with Abbott in Casa Grande where he oversees site capacity, production schedule, and planning metrics.

Mike Schoon

Faculty Advisor

Michael Schoon is an associate professor at Arizona State University’s School of Sustainability. His research focus is on environmental governance and how to make collaborations work better in the resolution of environmental dilemmas. Prior to his return to academia, Mike worked as a strategy consultant at Kurt Salmon Associates where he worked with retail and apparel firms on corporate strategy. His current work focuses on conservation projects in southern Africa, South America, and Arizona.


coming soon!

Explore committees

Jon Luther

Grant Writer, Hands4Helping

Jon has been working with GreenLight since 2019 to help our team build our organizational capacity. Thank you, Jon!

Miguel Ortega

Finance Committee

Jon has been working with GreenLight since 2019 to help our team build our organizational capacity. Thank you, Jon!


Our interns are an integral part of our team, and they help our GreenLight gears turn smoothly. We welcome students to inquire about open internship positions - reach out!

Explore internships

Jennifer Min

Communications and Marketing Intern

Jennifer Min is from South Korea. She graduated with a bachelor's degree in Sustainability at ASU. Her passion for sustainability started when she was interning at a bamboo toothbrush company in South Korea.

Hannah Eastwood

Communications and Marketing Intern

Hannah has been a part of GreenLight since Fall 2018. She started on the Agritopia project but quickly fell in love with the Leadership Team and has served as the VP of Network Engagement ever since. She loves gardening, nature, and dogs--especially her service dog Scout!



explore student opportunities