Washington was born 
and raised in Kenya. He started his nature exploration and photography career at age 14 as a High School student. His passion grew fast and in the year 2009, he won his first nature photography award (Runners-up in the High School Nature Photography category at the National Environmental Competition by AFEW-Kenya, Giraffe Centre). From that award, he has continued to win multiple national and international photography awards, including:
- First Position in the Underwater Category of the 2016 East African Wild Life Photo Competition
- Honourable mention in the Best of Nikon Kenya 2016 Photography Competition
- Third Position in the High School Nature Photography category in the 2010 AFEW-Kenya, Giraffe Centre,National Environmental Competition
- First position (Tertiary Category) in Nature Photography at the 2013 National Satima Wildlife Clubs Competition
- 2nd position in the Tertiary Photography Category of the 2014 AFEW-Kenya, Giraffe Centre, National Environmental Competition
His photography work and/ or write-ups have been featured in many books and projects, such as:-
- African Raptors
- Field Guide to East African Reptiles
- Amphibians of Kenya Pocket Guide
- Birds of Dakatcha Woodland IBA
- The Birds of Eburu Forest
- The Birds of Kenyatta University
Further, his photographs and work have been featured in many magazines locally and Worldwide, such as: Swara Magazine (The East African Wild Life Society), Mazingira News Magazine, The Fledgling Magazine (Youth Africa Birding), Kenya Birding Magazine (Nature Kenya), Forum Focus Newsletter (Laikipia Wildlife Forum), Imarisha Naivasha Newsletter (Imarisha Naivasha Board), The Explorer Magazine (The Explorer’s Club of Kenya), NatureNet Newsletter (Nature Kenya), EAWLS Newsletter (The East African Wild Life Society), NEMA News (National Environment Management Authority), Giraffe News (AFEW Kenya – Giraffe Centre), Ecoforum Journal (Environment Liaison Centre Internatio
nal), Komba Magazine (Wildlife Clubs of Kenya) and The Hawk Magazine (Ndururumo High School).
He is a featured photographer in the ON THE ROAD INITIATIVE by NIKON.
He has served as a member of the jury in different photography competitions and awards, such as:
- National Environmental Competition – AFEW-Kenya, Giraffe Centre
- Annual Photography Competition – Ndururumo High School Wildlife Club
He has a taste for everything in nature, from the small to the big and everything in between. He has won many conservation awards; including:-
- The Daisy Rothschild Award in 2015 (African Fund for Endangered Wildlife – Kenya)
- Mr. Environment and Ambassador for Nairobi Province in 2012
He is a passionate author having written articles in many local and
international publications. He also leads multiple research projects across East Africa on different conservation and anthropogenic topics. He is also a National Geographic Explorer, on his work with Crowned Eagles.
He is a certified Safari Guide and is a member of the Kenya Professional Safari Guides Association (KPSGA). He has led many trips or expeditions across Kenya, Tanzania, Uganda and Rwanda; both for private groups and for leading tour companies.
He serves as the Kenya Representative for Youth Africa Birding. He founded the Kenyatta University Birding Club in 2014. He is a member of the Bird Committee of Nature Kenya, and chairs the National Bird of Kenya Sub-committee. He is also a member of the East African Rarities Committee. He is also the Chairperson of the Kenya Herpetofauna Working Group. He is also a member of the African Primatological Consortium for Conservation.
He is also a TED Speaker, and gave a TED Talk titled “For the love of birds” in 2017.
Through his work, he has received several assignments, such as serving as the Kenya Country Coordinator for the Pan African Network For The Promotion Of A Culture Of Peace And Non-Violence.