Justine Robert Lukumay
Co-founder & Executive Director
Justine is the founder of TACCEI and a conservation practitioner specializing in community-based conservation. He holds an MSc in Biodiversity and Ecosystem Management from the Nelson Mandela African Institution of Science and Technology, where his research focused on human-wildlife conflict and coexistence. Justine’s foundational field experience includes working as an assistant researcher with Lion Landscapes and a field site manager with Wildlife Connection.
Yohana Meliyo Mollel
Co-founder & Community Liaison Officer
Yohana is a professional educator with years of experience spanning teaching and administrative roles across various schools and organizations. In his current role at TACCEI, he serves as a vital liaison between the organization and the community. Additionally, Yohana plays a pivotal role in leading and advocating for gender-related initiatives within both the organization and the broader community.
Natosim Miage Sailevu
Co-founder & Agriculture Innovator
An expert in sustainable agricultural practices, Natosim holds an MSc from the Nelson Mandela African Institution of Science and Technology and a degree in Agronomy from Sokoine University of Agriculture (SUA). Her specialized research in biopesticides directly informs her current work, in which she spearheads innovation and empowers rural Tanzanian communities through targeted farmer training programs.
Joshua Daniel Laizer
Co-founder & Technical Advisor
Joshua holds a Bachelor of Arts in Economics from Ardhi University in Tanzania. He has extensive experience working with various organizations dedicated to community development and sustainable pastoralism across northern Tanzania and beyond. As a Co-Founder and Technical Advisor at TACCEI, Joshua leverages his deep expertise in non-profit technical management and sustainable development to guide the organization’s strategic programs and financial health.
Davide Valli
Co-founder & Project Management Specialist
Specializing in wildlife ecology and nature conservation, Davide Valli brings a wealth of international experience to the TACCEI team. Since 2019, he has partnered with diverse NGOs, government bodies, and private firms across Europe and Tanzania to drive impactful conservation initiatives. Davide’s expertise spans the entire project lifecycle, from planning and management to wildlife monitoring and spatial data analysis. By bridging the gap between scientific research and practical application, he designs innovative environmental education programs that foster human-wildlife coexistence and sustainable development.
Magdalena Isdori Peter
Finance and Administrative Officer
Magdalena holds a Bachelor’s Degree in Tax Management from the Institute of Finance Management (IFM) in Dar es Salaam. She brings a strong background in community development, having worked extensively with organizations dedicated to supporting women’s entrepreneurship initiatives. Currently, Magdalena serves as the Finance and Administrative Officer at TACCEI, where she manages financial reporting, compliance and provides vital administrative support to ensure smooth staff and office operations.
Lomayani Simon
Community Restoration Officer
Lomayani is a dedicated forestry professional with a BSc in Forestry from Sokoine University of Agriculture (SUA). Currently serving as a Community Restoration Officer at TACCEI, he designs and executes initiatives focused on ecosystem restoration, sustainable resource management, and community-based conservation. Lomayani’s diverse background includes impactful volunteer work with APOPO, where he advanced eco-friendly agricultural practices. Driven by a passion for environmental stewardship, he specializes in delivering practical, scalable solutions that harmonize ecological sustainability with community well-being.