Our Team

Alone we can do so little–Together we can do so much

Our Team

We are a nimble nonprofit team driven by the global need for simple and sustainable drinking water solutions

Board of Directors

Roger Cabbage

Founder
A love for hiking and mountain climbing took Roger to South America, Africa, and Asia, where he witnessed firsthand the urgent need for clean water. As a former board member and volunteer with Philanthropy Impact Team and Centura Global Health Initiatives, he learned that roughly 1,000 children die each day from contaminated water. Motivated to take action, Roger developed low-cost water filtration solutions and founded Mighty Water to deliver safe, affordable water to households, clinics, and schools in communities around the world.
Rob Miller

CEO
Rob Miller is an industrial designer and educator with over 25 years of experience developing products and patents for international companies and start-ups. His work has been recognized by the Industrial Designers Society of America, BusinessWeek, Wired Magazine, and the American Institute of Architects. Rob co-invented water filtration systems with Roger Cabbage and now focuses on applying human-centered design to social innovation. After seeing the impact of social design first-hand, he continues to work towards developing systems to improve lives everywhere.
David Ehrenberger, MD

President
David Ehrenberger is a physician with a background in family medicine and healthcare leadership, including roles as chief medical officer for a community hospital, multispecialty physician group, and national healthcare consultancy. Over 15 years, he has conducted medical missions in the Peruvian Amazon and Lesotho, observing the critical importance of clean water in public health. After meeting Roger Cabbage in 2016, David was inspired by a practical, community-based solution to a persistent global challenge. He is dedicated to supporting efforts that help prevent illness before it begins.
Nikhil Dandavati

Treasurer
Nikhil Dandavati is a finance professional and entrepreneur with a background in venture capital, business operations, and engineering management. After earning a finance degree from the University of Colorado, Boulder, he worked at First Light Ventures, investing in companies with both profit and social impact objectives. Nikhil now runs his family’s engineering firm, ValveSystems, solving complex technical and logistical challenges. His experiences traveling to India reinforced his belief that access to clean water is foundational to human thriving and worth investing in at scale.
Leah Weinkle

Secretary
Leah Weinkle is a lifelong activist and nonprofit leader with expertise in board governance, strategic planning, and organizational development. She has served on both community and trade boards, supporting initiatives that create meaningful social impact. Recently retired, Leah has focused on travel, volunteer work, and global outreach. She is passionate about the idea that something as simple as clean water can transform lives and communities.
Cali Bonham

Director
Cali Bonham is an operations and finance professional with extensive experience in executive support, project management, and process optimization. She has built and led systems that drive efficiency and growth in the private sector and now applies these skills to mission-driven work. Inspired by her travels and awareness of global water scarcity, Cali brings both heart and precision to her involvement. She was compelled to get involved the moment she saw an opportunity to make a tangible difference.
Will Feldman

Director
Will Feldman is a director and producer with a background in global media, marketing, and storytelling. As the Founder and CEO of Garlic Media Group, he leads a digital media firm known for strategic campaigns and innovative communication. He began his career in healthcare as a Doctor of Chiropractic, where he developed an interest in wellness and the role of water in human health. His work has since evolved to focus on connecting ideas across industries and cultures, shaped by travel to more than 50 countries.
John Keith

Director
John Keith is the founder of Harvard Communities, an award-winning homebuilding company based in Denver, which he led for 25 years. He is now retired. Over the past 15 years, he has served on multiple nonprofit boards, including Jewish Family Service of Colorado, Colorado Uplift, and Homebuilder’s Foundation. John and his wife co-founded Shine On Rwanda, delivering solar lights to energy-impoverished communities. He is focused on long-standing commitments to expanding access to essential resources that improve quality of life.
John Nolte

Director
John Nolte is a water industry professional with over 15 years of experience in utility operations, geospatial systems, and leadership development. He has held key roles with the Navy, City of Westminster Water and Wastewater Department, and Denver Water, where he currently serves as Director of IT. His career has been centered on water systems and infrastructure, giving him a deep understanding of both challenges and opportunities in the field. He is motivated by the chance to apply that knowledge in ways that reach beyond traditional systems and into underserved communities.
Carolina Sasson

Director
Carolina Sasson is a corporate strategist, entrepreneur, and author with experience leading innovation and growth initiatives in consumer packaged goods. She served as COO of Mission Field, a consultancy recognized on the Financial Times’ America’s Fastest-Growing Companies and INC 5000 lists, and co-authored Fire in the Machine: Driving Entrepreneurial Innovation in Large CPG Organizations. After traveling to 13 countries with her son, she witnessed the critical importance of clean water in underserved communities. Today, her passion for Mighty Water is an extension of the philosophy to “pay it forward” as often as possible.