People
Our Team
Experienced leadership and a skilled local team dedicated to quality and lasting impact.
Robert Ryan HolmesFounder, CEO & Director
Entrepreneur, visionary and philanthropist with more than twenty years building sustainability solutions and community projects. Skilled in government relations, project management and turning waste into value.
Dennis RoehlChief Operating Officer
Applies chemistry, process engineering and construction management expertise to deliver systems-focused project delivery. Bridges clean energy innovation with real-world renewable infrastructure.
Patrick Andrew TemuProduction Manager
Sustainability and regenerative systems professional with deep expertise in climate-smart agriculture, eco-landscaping, permaculture and regenerative design.
Said Rashid HemedDirector of Tanzanian Public & Community Relations
Highly respected village leader across Zanzibar with decades of community work. Brings project oversight experience and a deep intuitive ability to connect with diverse groups and cultures.
Jurgita AglinskaiteSales and Marketing
Leading sales and marketing efforts as Hangaya expands its landscape, construction and circular solutions services across Zanzibar and beyond.
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