Profile: Dr. Elena Voss on building models that reason

Dr. Elena Voss has spent her career at the intersection of large-scale learning and safety. As co-founder and CEO of Nimbus AI, she now leads one of the most closely watched labs in the industry.

In this profile, Voss discusses the shift from chatbots to agents, the technical bets behind Cortex-7, and why she believes robust reasoning — not just fluency — is the metric that matters. She is candid about the open problems in alignment and the responsibility that comes with deploying autonomous systems.

"Capability without reliability is a liability," she says.