Cigna

Sierra announced Horizon, a platform that enables AI agents to pursue long-horizon goals such as originating loans or scheduling healthcare referrals over days or weeks. The platform, built on Sierra'…

Cigna CEO David Cordani, who grew the company from $18 billion to $275 billion in revenue over 17 years, is stepping down on July 1 to become executive chairman. Cordani cited his leadership during CO…