Tech
Jun 03, 2026
Founders Left Goldman and Meta to Build Voice AI for Overlooked Markets
AethexAI, founded by Mariama Diallo and Ayooluwa Odemuyiwa, raised $3 million to develop voice AI f…
The Founders' Vision
Mariama Diallo and Ayooluwa Odemuyiwa, former employees of Goldman Sachs and Meta, respectively, left their jobs to build voice AI for emerging markets. Their startup, AethexAI, aims to provide customer support and service solutions for businesses in Africa and the Middle East.
The Challenge of Localized Dialects
Building a product that sounds human and responds without noticeable delay is harder in some markets than others. Most major players weren’t built with Africa and the Middle East in mind, leaving a gap for AethexAI to fill.
The Technical Breakthrough
Rather than using existing orchestration tools, AethexAI built its own small model and orchestration layer from scratch to handle localized dialects of English, French, and Arabic. The company developed its Kora series, with parameters ranging from 300 million to 1.7 billion, to tackle the latency problem while maintaining accuracy.
The Data Collection Process
AethexAI used anonymized recordings from a call center partner.
The startup shipped hard drives to radio stations across Africa to collect more audio data.
A contributor network of university students was built to annotate data and pronounce local names.
The Business Strategy
The company is taking care to walk clients who are new to voice AI through the process, offering onsite demos and workshops to help them identify the best use cases for automation. AethexAI is open to working across all industries, but currently focuses on calls for debt collection, customer activation, or KYC verification.
The Market Opportunity
The Africa and Middle East market is fundamentally different from the markets most voice AI companies were built to serve. Enterprises in these regions process roughly three times the call volume of their Western counterparts, making AethexAI's solution a valuable opportunity.
The Future Outlook
With the $3 million in pre-seed funding, AethexAI plans to continue developing its voice AI solutions for emerging markets. The startup is hiring forward-deployed engineers and building channel partnerships with telecoms providers to handle telephony for voice AI calls.
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