Anton Hantel
Founder/CEO
Voice agents that interview employees for transformation programs
Sona8 builds voice agents that talk with employees about how work gets done, then turn those conversations into process maps and problem lists by site and team. Consulting and transformation teams use it for stakeholder interviews and implementation follow-ups. Y Combinator Fall 2026; founders Anton Hantel, Madeleine Malmsten, and Thilo Tamme. Based in San Francisco / Berlin.