Marius Hobbhahn — SPARQNOW

At-a-Glance

CEO and Co-founder of Apollo Research, developing evaluations and safety tools for frontier AI models.
Co-founded Apollo Research in 2023.
Leads work on evaluation frameworks and safety tools to detect and mitigate misalignment in frontier AI agents.
His work is presented in the system cards of models like GPT-5 and Claude-4.
Holds a PhD and Master of Science in Machine Learning.

Biography

Marius Hobbhahn is the CEO and Co-founder of Apollo Research, a company focused on developing evaluations and safety tools for frontier AI models. At Apollo Research, he leads efforts to detect and prevent deceptive behaviors in advanced AI. The company partners with leading AI organizations to evaluate their models before deployment, with their work featured in the system cards of models such as GPT-5, Claude-4, GPT-4.5, o3, and o1.