International Development · Nairobi, Kenya
Building climate-resilient water and infrastructure for the Horn of Africa.
I'm Roy Okoth Okello — an ESG, WASH and sustainable infrastructure specialist with 16+ years leading donor-funded programs across Kenya's fragile, climate-vulnerable counties. I also direct CEDIS, a consulting practice helping donors, governments and contractors deliver compliant, lasting projects.
Core expertise
Technical depth across the project lifecycle.
From early environmental screening through detailed design, construction supervision and donor compliance reporting — work that holds up to NEMA, World Bank and USAID scrutiny while staying grounded in the realities of communities in arid and semi-arid lands.
ESIA & Safeguards
NEMA-licensed Lead Expert delivering ESIA, EA, ESMP/EMMP and CRM aligned to World Bank ESS, USAID 22 CFR 216, EMCA 1999.
WASH & Infrastructure
Design and supervision of water supply, sand dams, sanitation and resilience infrastructure in ASAL contexts.
Climate Risk Management
Climate vulnerability screening and adaptive programming for drought-prone, fragile geographies.
Stakeholder & RAP
Resettlement Action Plans, FPIC and multi-stakeholder engagement with counties, donors and communities.
IWRM & Watershed
Integrated water resources management and watershed-based planning for climate-resilient development.
Construction & HSE
Contractor compliance, HSE systems and ISO 9001/14001/45001 internal auditing on active sites.
Field impact
Work that reaches the last village on the road.
Programs delivered under USAID Nawiri and Kenya RAPID have brought safer water, stronger food security and climate-resilient infrastructure to communities across Isiolo, Marsabit, Turkana and beyond — strengthening county systems and contractor compliance at the same time.
See portfolio highlights
Trusted by
Donors, contractors and implementing partners
Have a program, ESIA or feasibility study on the horizon?
CEDIS partners with donors, NGOs, government agencies and engineering firms. Let's talk about scope, timelines and how we can support compliant, durable delivery.