A distinguished professional with a rich and diverse background in finance, environmental management, and leadership. He is a Certified Public Accountant (CPAK) and holder of a Bachelor's degree in Finance, and currently pursuing a Master of Science (MSc) in Environmental Management for Business at Cranfield University.

David's illustrious career spans over 15 years, spanning both the private and non-governmental sectors. In the private sphere, he assumed the helm of a regional company with a notable footprint across East Africa. His strategic vision and exceptional managerial skills played a pivotal role in spearheading market penetration and managing multifaceted operations in a host of countries, including Kenya, Uganda, Tanzania, Rwanda, Burundi, South Sudan, the Democratic Republic of Congo, and Somalia.

As a founding member of Olmanyara Tilil, David's visionary leadership has left an indelible mark on the organization's mission and vision. His unwavering dedication to sustainable development and environmental conservation has been instrumental in driving the success of the NGO.

David Maranga's dynamic leadership style, complemented by his financial acumen and fervent commitment to environmental sustainability, has significantly shaped Olmanyara Tilil's approach. Under his guidance, the organization continues to pioneer innovative programs that bring about immediate and lasting change.

David is a proud member of the Certified Public Accountants of Kenya (ICPAK), British chamber of commerce- Kenya, and an unwavering advocate for responsible environmental practices. His remarkable dedication to promoting environmental responsibility, coupled with his extensive leadership experience, stands as a driving force behind Olmanyara Tilil's mission to bring about positive change in the world.