About us
One accountable team instead of seven vendors trading blame. Tenaga is led by engineers who have built and operated production systems at the companies everyone else benchmarks against.

Founder & CEO
Hubert Sumarno
Hubert founded Tenaga Technologies after 3 years as a software engineer at Arista Networks, where he built network automation tooling and was a core contributor to a digital-twin testing framework simulating thousand-node networks for financial institutions and US federal agencies. Before that, he worked on ML training infrastructure at Meta. He holds a degree in Electronics and Information Engineering from Imperial College London.
- Arista Networks
- Meta
- Imperial College London