Meet The Founders
Joel Trumbo
Co-founder & Executive Director
Joel Trumbo is an environmental scientist with over 35 years of experience, including a distinguished career with the California Department of Fish and Wildlife, where he oversaw more than one million acres of protected land.
After witnessing the global need for clean water, Joel helped co-found One Drop Global in 2015. His leadership brings together scientific rigor, strategic thinking, and a deep commitment to compassion — shaping the organization’s work over the past decade.
Timothy Muttoo, P. Eng, MPH
Co-founder
Tim Muttoo is a Professional Engineer and humanitarian leader whose work bridges technical expertise with real-world impact. Over the past decade, he has helped design and implement clean water solutions across East Africa, focusing on systems that are sustainable, practical, and built to serve communities over the long term.
With a thoughtful and collaborative approach, Tim brings both precision and care to his work — ensuring that each project is not only effective, but meaningful for the people it serves.