Oolu

Oolu is one of the fastest growing off-grid solar firms in West Africa

y-combinatorSummer 2015Solar Power Climate🇸🇳 Dakar230 people

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Acquired

Dan Rosa, Nilmi Senaratna · 2 co-founders

2026Acquired

Acquired

Team

230

current

Co-founders

current

Stage

Acquired

Profile coverage4 of 8 · missing Funding, Signals, Customers, Stack / tools · last run 8/11/2026

About

Oolu was founded by Nilmi Senaratna and Dan Rosa in 2015. The company's mission is to provide off-grid households in rural regions in Africa with high quality products at an affordable price. In Wolof, a national language of Senegal, Oolu means ‘trust.’

2 founders

Dan Rosa

Founder/COO

Nilmi Senaratna

Founder/CEO

Nilmi cofounded Oolu in 2015. As the former CEO and later Chief Business Development Officer, she led Oolu through YCombinator and built the company over 5 years from Dakar, Senegal. She managed early stage fundraising, high level recruitment, human capital strategy, new country expansion, business development and partnerships. Nilmi brought the team from 0 to >230 full time employees. She now is an active strategic board advisor and is based in London, UK.

in LinkedIn