Amara Okafor
Founder & CEO · TideKelp
Regenerative seaweed farming co-ops for coastal women's collectives.
NigeriaCohort 4Aquaculture
OceanHub Africa · Alumni Network
Across Africa's coastlines and beyond, OHA alumni keep building the Blue Economy together — and this is where the current brings us back to each other.
Invite-only · For OHA alumni ventures & mentors
What lives here
One network. Everything you need to keep building.
Find your people
Every OHA alumni venture in one place — filter by sector, cohort, country, or what they can offer.
DirectoryMeet the right ones
Suggested connections, matched on your sectors, your needs, and what you're each open to.
MatchesAsk the current
Post what you're looking for — funding, talent, intros. Someone in the network can usually help.
Needs boardSurface together
Demo days, workshops and coastal meetups — from Zanzibar to Cape Town and online.
EventsBuild on partner perks
Atlassian, AWS, HubSpot, EY and legal counsel — credits and support reserved for alumni.
ResourcesWe've got you
The Acceleration Core Team is one message away whenever you need a door opened.
OHA support0
cohorts & counting
From the first crews in Cape Town to this year's graduates in Nairobi — every cohort joins the same current, and nobody builds alone.
Voices from the deep
Built by founders like you.
Thabo Nkosi
Co-founder & CTO · ReefSense
Low-cost acoustic sensors + ML for real-time reef health monitoring.
South AfricaCohort 5Ocean data
Inès Laurent
Founder & CEO · BlueWallet
Micro-insurance + savings for artisanal fishers, priced on catch data.
SenegalCohort 6Blue fintech
Come up for air
Coming up in the network.
1,000 m · Midnight zone
Ready to dive back in?
Your crew is already here — swapping intros, buyers, pilots and hard-won lessons.