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Our Team

Meet Our Team

The TGR team works in collaboration with passionate individuals from different fields depending on demand of our Organization to showcase their expertise. This includes Social media managers, Human resource managers, environmental conservation scientists, safety officers (certified by OSHA), Wildlife managers, IT managers and financial analysts. Our team is united to work together in partnership with different organizations and other environmental stakeholders to ensure we create greener future throughout Tanzania.

Johansen Herman Rauben
Executive Director& Certified safety officer
Johansen Herman Rauben
Chairman / Managing Director

Environmental Conservation, Restoration & Sustainable Development Advocate

Tanzania Green Revive (TGR)

Johansen Herman Rauben is an environmental conservation and restoration advocate and a leader at Tanzania Green Revive (TGR), a Tanzanian organization dedicated to environmental conservation, ecosystem restoration, climate resilience, sustainable agriculture, and community-based sustainable development.

Through his leadership at TGR, Johansen is committed to promoting practical environmental solutions that restore degraded ecosystems while improving the livelihoods and resilience of local communities. His approach recognizes that environmental protection and economic development should work together to create sustainable benefits for present and future generations.

His areas of focus include ecosystem restoration, tree planting and reforestation, biodiversity conservation, climate-change mitigation and adaptation, sustainable land management, environmental awareness, and community participation in conservation initiatives.

As a leader within TGR, Johansen supports the development of partnerships with communities, government institutions, development organizations, researchers, private-sector actors, donors, and other environmental stakeholders. He believes that successful restoration requires collaboration, local ownership, accountability, and long-term commitment.

Under his leadership, TGR seeks to transform degraded and vulnerable landscapes into healthier, productive, and resilient ecosystems through initiatives such as tree and fruit-seedling restoration, community environmental education, sustainable agriculture, green economic opportunities, conservation awareness, research, and innovative restoration approaches.

Johansen’s leadership philosophy is cantered on the principle that environmental conservation is not only about protecting nature, but also about restoring the relationship between people, ecosystems, and sustainable livelihoods.

Key Environmental Leadership Areas

  • Ecosystem Conservation & Restoration – Supporting restoration of degraded forests, landscapes, and community environments.
  • Reforestation & Afforestation – Promoting tree planting, indigenous species, fruit trees, and long-term tree survival.
  • Climate Action – Supporting climate mitigation, adaptation, resilience, and nature-based solutions.
  • Biodiversity Conservation – Promoting protection and restoration of habitats and biodiversity.
  • Sustainable Agriculture – Encouraging environmentally responsible agricultural practices and sustainable land use.
  • Community Engagement – Involving communities as active partners and beneficiaries of conservation initiatives.
  • Environmental Education – Raising awareness among communities, young people, volunteers, and institutions.
  • Green Economy – Promoting sustainable income-generating opportunities linked to environmental conservation.
  • Partnership & Resource Mobilization – Building strategic partnerships and supporting fundraising for conservation and restoration programmes.
  • Research & Innovation – Encouraging evidence-based approaches to environmental restoration and sustainable development.

Leadership Vision

Johansen envisions a Tanzania where degraded ecosystems are restored, communities are empowered to protect natural resources, young people participate in environmental action, and sustainable economic opportunities are created through responsible management of natural resources.

Through Tanzania Green Revive, he is committed to contributing to a more green, resilient, inclusive, and sustainable Tanzania, where environmental restoration becomes a shared responsibility and a foundation for long-term community development.
Victor Obadia Wilson
Co-founder & Program manager
Victor Obadia Wilson
Co-founder & Program manager
Tanzania Green Revive (TGR)

Victor Obadia is a Wildlife Management graduate from Sokoine University of Agriculture (SUA) and an environmental conservation professional dedicated to restoring nature and building resilient communities. He is passionate about environmental conservation, reviving ecosystems, promoting biodiversity, and advancing climate-smart agriculture as a practical climate action solution that improves livelihoods while protecting natural resources.

In recognition of his commitment to conservation, Victor was named a Finalist for Conservationist of the Year – Marine Ecosystems at the WeNaturalists People of Nature Awards 2022, an international recognition issued by WeNaturalists, India.

Victor currently serves as the Co-founder and Program Manager of Tanzania Green Revive (TGR), where he provides strategic leadership in environmental restoration, community engagement, environmental education, and sustainable development initiatives. His work focuses on Developing projects for empowering communities, particularly youth and farmers, to adopt nature-based solutions that strengthen climate resilience, restore degraded ecosystems, and support sustainable livelihoods.

Driven by the belief that healthy ecosystems are the foundation of prosperous communities, Victor actively collaborates with partners, institutions, and local communities to develop innovative conservation initiatives that create lasting environmental and social impact across Tanzania.
Daudi Jacob Kang'oma
Director of Financial (DF)
Mr. Daudi Jacob Kang'oma
Director of Financial (DF)
Tanzania Green Revive (TGR)

Mr. Daudi Jacob Kang’oma is an accomplished Aircraft Engineer, finance executive, and environmental advocate with extensive experience in aviation engineering, financial management, and sustainable development. Born on 8 February 1972, he has built a distinguished career characterized by technical excellence, strategic leadership, integrity, and a strong commitment to environmental conservation.

Mr. Kang’oma completed his primary education in 1987, followed by his Ordinary Level education in 1991 and Advanced Level education in 1994. He pursued his passion for aviation by undertaking professional training in Aircraft Technician/Engineering, graduating in 1999. In 2002, he attained the prestigious Aircraft Engineering Grade Onequalification, demonstrating advanced expertise in aircraft maintenance, inspection, engineering systems, and aviation safety.

Throughout his aviation career, Mr. Kang’oma has consistently applied his technical knowledge to enhance operational reliability, safety, and compliance with international aviation standards. His analytical thinking, attention to detail, and problem-solving abilities have made him a respected engineering professional.

Beyond his engineering profession, Mr. Kang’oma is deeply committed to environmental conservation and sustainable development. He actively supports initiatives that promote ecosystem restoration, biodiversity conservation, climate resilience, environmental education, and the sustainable management of natural resources. He believes that protecting the environment is fundamental to improving livelihoods and ensuring a sustainable future for present and future generations.

Mr. Kang’oma currently serves as the Director of Finance of Tanzania Green Revive (TGR), where he provides strategic leadership in financial planning, budgeting, resource mobilization, financial reporting, and organizational governance. He plays a vital role in ensuring sound financial management, accountability, transparency, and compliance with donor and regulatory requirements. His leadership helps strengthen the organization’s capacity to implement impactful environmental and community development programmes across Tanzania.

By combining his engineering expertise, financial management skills, and passion for environmental stewardship, Mr. Kang’oma contributes significantly to Tanzania Green Revive’s mission of advancing sustainable development, restoring ecosystems, promoting climate action, and empowering communities through innovative conservation initiatives.

Mr. Daudi Jacob Kang’oma remains committed to excellence, professionalism, accountability, and the responsible management of financial and natural resources, making him a valuable leader in both the engineering and environmental sectors.
Mwanzalila Mwokozi
Research & data analysis assistance
Mwanzalila Mwokozi
Research & data analysis assistance
Tanzania Green Revive (TGR)

Mwokozi I. Mwanzalila graduated in 2012 from the University of Iringa, Tanzania (formerly Tumaini University) with a Bachelor of Arts in Community Development.

He began his professional career in 2011 as a three-month intern with the Health for Animals and Livelihood Improvement (HALI) Project at Sokoine University of Agriculture (SUA). Following the successful completion of his degree, he was selected to continue with the project as a volunteer for 12 months. In recognition of his commitment, technical competence, and outstanding performance, he was subsequently employed as an Assistant Researcher, serving the HALI Project from 2013 to 2021.

During his occupation with HALI, Mwokozi led and supported a wide range of community-based research and intervention projects addressing human nutrition, livelihoods and socioeconomic development, community health education, and zoonotic diseases across all HALI study sites. He also played a key role in community risk characterization, site assessments, stakeholder engagement, and implementation of field-based research activities.

Mwokozi’s experience in community development and participatory research began in 2009 when he joined Restless Development (formerly Student Partnership Worldwide) as a volunteer immediately after completing his Advanced Certificate of Secondary Education at Kibiti Secondary School in the Coast Region of Tanzania. This early experience strengthened his skills in community mobilization, health promotion, youth engagement, and participatory development approaches.

With over 12 years of research experience, Mwokozi has developed strong expertise in the design and implementation of quantitative and qualitative research. He has extensive experience in developing data collection tools, including structured questionnaires, In-Depth Interview (IDI) guides, Focus Group Discussion (FGD) guides, and Key Informant Interview (KII) guides. He has also led and supervised field data collection, community engagement, and research implementation while working with Sokoine University of Agriculture (SUA) and the Ifakara Health Institute (IHI).

His professional interests include community and public health research, implementation science, social and behavioral research, zoonotic and emerging infectious diseases, One Health, health systems strengthening, and capacity building. He is committed to generating high-quality evidence that informs policy and improves health outcomes in communities.
Perpetua Nyagwaswa
Co-founder
Perpetua Nyagwaswa
Co-founder
Tanzania Green Revive (TGR)

Perpetua Nyagwaswa is an environmental professional, conservation researcher, and Project Writer at Tanzania Green Revive (TGR). She is currently pursuing a Master of Science (MSc) in Ecosystem Sciences and Management, building on a strong academic and research foundation in natural resource conservation and ecosystem management.

Perpetua holds a Bachelor of Science (BSc) in Wildlife Management from Sokoine University of Agriculture (SUA), where she developed expertise in wildlife conservation, biodiversity management, ecological research, and sustainable natural resource management. Throughout her academic and professional journey, she has demonstrated a strong commitment to advancing conservation science and promoting evidence-based environmental solutions.

She has two years of professional experience in wildlife research, contributing to field studies, ecological assessments, biodiversity monitoring, wildlife data collection and analysis, and conservation initiatives. Her work has strengthened her practical understanding of ecosystem dynamics, wildlife management, and the importance of integrating scientific research into conservation planning and sustainable development.

As Project Writer at Tanzania Green Revive, Perpetua plays a key role in developing high-quality project proposals, concept notes, technical reports, and donor funding applications. She supports the organization’s mission by translating scientific knowledge into practical, impactful projects that address environmental conservation, ecosystem restoration, climate resilience, biodiversity protection, and sustainable community development.

Her professional interests include wildlife ecology, ecosystem restoration, biodiversity conservation, animal behavior, and nature-based solutions to environmental challenges. She is passionate about promoting sustainable environmental management through research, innovation, collaboration, and community engagement.

Perpetua aspires to become a leading conservation professional, contributing to national and international efforts that protect biodiversity, restore degraded ecosystems, and promote sustainable coexistence between people and nature. Through continuous learning, scientific excellence, and dedication to environmental stewardship, she is committed to creating lasting positive impacts for ecosystems and communities in Tanzania and beyond.
Ibrahim Charles Lissu
ICT Manager
Ibrahim Charles Lissu
ICT Manager
Tanzania Green Revive (TGR)

Ibrahim Charles Lissu is a Tanzanian Information Technology professional with a Bachelor’s Degree in Information Technology. He currently serves as the ICT Manager at Tanzania Green Revive (TGR), where he leads the organization’s information and communication technology initiatives in support of its mission and long-term strategic goals.

With strong expertise in ICT systems, digital transformation, website development, and information management, Ibrahim is committed to using technology to strengthen organizational performance and enhance project delivery. He plays a vital role in developing and managing digital solutions that improve communication, streamline operations, and support the successful implementation of TGR’s environmental conservation, climate action, and community development programs.

Through his technical knowledge, innovation, and problem-solving abilities, Ibrahim helps TGR pursue its vision by integrating modern ICT solutions into its projects and daily operations. He is dedicated to advancing sustainable development through technology and continuously seeks innovative ways to improve efficiency, collaboration, and the organization’s overall impact.
Jemsi Keneth Mwabenga
Project Manager
Jemsi Keneth Mwabenga
Project Manager – Tanzania Green Revive (TGR) | Conservationist | Ecosystem Researcher | Wildlife Management Specialist
Tanzania Green Revive (TGR)

Jemsi Keneth Mwabenga is a Tanzanian conservationist, ecosystem researcher, wildlife management specialist, and Project Manager at Tanzania Green Revive (TGR), where he contributes to the planning, coordination, implementation, monitoring, and development of environmental conservation and ecosystem restoration initiatives.

He holds a Bachelor of Science in Wildlife Management from Sokoine University of Agriculture (SUA) and is currently pursuing a Master of Science in Ecosystem Science and Management as a Postgraduate Scholar with the Tanzania Research and Conservation Organization (TRCO).

Jemsi recently completed an Erasmus+ Worldwide semester exchange in Germany at the University of Bonn and the United Nations University, focusing on Environmental Risk and Human Security. This international academic exposure has strengthened his understanding of environmental risks, ecosystem resilience, human security, and the importance of integrated approaches to sustainable development.

Supported by a research fellowship from the Grumeti Fund through the RISE Program, Jemsi’s MSc research evaluates species composition and structural dynamics in the Western Serengeti, generating scientific evidence relevant to human-wildlife conflict mitigation, biodiversity conservation, ecosystem management, and protected-area management.

His field experience spans major Tanzanian ecosystems. He has served as a Research Assistant with OIKOS East Africa in the Kilimanjaro ecosystem and participated in international field microprojects in collaboration with the University of Antwerp, working across the Udzungwa, Ruaha, and Saadani landscapes.

Jemsi combines field-based conservation experience with technical expertise in Geographic Information Systems (GIS), QGIS, and statistical data analysis using R. These skills support ecological assessment, conservation mapping, environmental monitoring, research, spatial analysis, and evidence-based decision-making.

He also has experience in community outreach, environmental awareness, sustainable agroforestry, and community-based conservation through his engagement with the DreamNature Organization.

 CURRENT ROLE – PROJECT MANAGER, TANZANIA GREEN REVIVE (TGR)

As Project Manager at Tanzania Green Revive (TGR), Jemsi is responsible for supporting the organization in translating its environmental conservation and ecosystem restoration objectives into practical and measurable projects.

His role includes project planning, coordination, implementation, field supervision, stakeholder engagement, technical research, monitoring and evaluation, reporting, and supporting resource mobilization and proposal development for conservation and environmental initiatives.

In this capacity, Jemsi contributes to ensuring that TGR projects are technically sound, environmentally responsible, community-oriented, and aligned with sustainable conservation principles.

His responsibilities and areas of contribution include:

  • Coordinating environmental conservation and ecosystem restoration projects.
  • Developing project work plans, activities, timelines, and implementation strategies.
  • Supporting field assessments, biodiversity monitoring, and ecosystem surveys.
  • Applying GIS and QGIS to support environmental mapping and project planning.
  • Supporting project monitoring, evaluation, documentation, and reporting.
  • Coordinating field teams and technical personnel involved in conservation activities.
  • Supporting stakeholder engagement with communities, conservation organizations, government institutions, researchers, development partners, and other relevant stakeholders.
  • Supporting identification of environmental challenges and development of practical conservation interventions.
  • Contributing to research and evidence generation for TGR programs.
  • Supporting preparation of project concepts, technical proposals, grant applications, and funding opportunities.
  • Promoting community participation in conservation, restoration, and sustainable natural-resource management.
  • Supporting environmental education and awareness activities.
  • Contributing to ecosystem restoration, biodiversity conservation, and sustainable land-management initiatives.
  • Supporting the development of partnerships and collaborative conservation programs within Tanzania and East Africa.

PROFESSIONAL VALUE TO TGR

Jemsi brings a valuable combination of scientific knowledge, field experience, technical research skills, project coordination, GIS capacity, wildlife management expertise, and community engagement to Tanzania Green Revive.

His academic and professional background enables him to bridge the gap between scientific research and practical project implementation. He can help TGR develop conservation projects that are guided by ecological evidence while remaining responsive to community needs and sustainable development priorities.

His contribution is particularly valuable in:

Environmental Conservation • Ecosystem Restoration • Biodiversity Management • Wildlife Management • GIS & Spatial Analysis • Environmental Research • Community-Based Conservation • Human-Wildlife Conflict Mitigation • Sustainable Agroforestry • Environmental Monitoring • Project Management • Grant & Proposal Development

PROFESSIONAL COMMITMENT

Jemsi is committed to advancing science-driven conservation, ecosystem restoration, biodiversity protection, and sustainable environmental management across Tanzania and East Africa.

Through his role as Project Manager at TGR, he seeks to contribute to projects that protect natural ecosystems, restore degraded landscapes, strengthen community participation, generate scientific knowledge, and create sustainable solutions that benefit both people and biodiversity.

His professional philosophy is founded on the understanding that successful conservation requires the integration of scientific evidence, effective project management, community participation, environmental stewardship, innovation, and long-term sustainability.

Why Choose TGR?

  • 01
Integrity and Accountability.

We operate with honest, transparency, and responsibility in all our activities, ensuring that resources, partnerships, and programs are managed ethically.

  • 02
Community-centered Approach

We priotize the voices, knowledge, and participation of communities, ensuring that our solutions respond to real environmental and social needs

  • 03
Sustainability

We design programs that create long-term environmental, social, and economic benefits beyond short-term results

  • 04
Collaboration & Partnership

We value cooperation with diverse stakeholders because o lasting impact is achieved through shared efforts.

  • 05
Respect for Nature and People

We believe that environmental conservation should be termed as self-commitment to everyone rather than restrictions.

Become a Volunteer

Be the Change. Volunteer Today.

Join a growing network of dedicated volunteers working together to protect nature, inspire environmental responsibility, and create a greener future for generations to come. Together, we can make a real difference.

Apply to Volunteer

“Reviving ecosystems today for a sustainable tomorrow”

— Every action we take today plants a seed of hope and resilience for the future generation.