Nabla

Alexandre (Alex) LeBrun

Co-founder and CEO of Nabla, transitioning to Chief AI Scientist & Chairman while becoming CEO of Advanced Machine Intelligence (AMI), Yann LeCun's new AI research startup. Previously CEO of Wit.ai (sold to Facebook in 2015), CEO/Founder of VirtuOz (sold to Nuance/Microsoft in 2012), and Head of Engineering at Facebook AI Research.

Laurent Landowski

Led product at Facebook's M virtual assistant; co-founder and PM Lead at Wit.ai (Facebook); previously at VirtuOz (Nuance).

Ed Lee, MD, MPH

Board-certified internal medicine physician. Also serves as Chair of Clinical Education and Director of Clinical Informatics at California Northstate University College of Medicine. Former CIO of The Permanente Federation (Kaiser Permanente's physician organization). Joined Nabla January 2024.

Delphine Groll

Co-founder and COO of Nabla, leading day-to-day operations following LeBrun's transition while the board searches for a permanent CEO. Previously Head of Business Development & Communications at aufeminin and MyLittleParis, Founder of Gretel, and worked at the Élysée Palace (French government).

Matthew Sakumoto, MD

Internal medicine-trained primary care physician and physician-informaticist focused on restoring clinical practice through product innovation.

Martin Raison

Co-founder and CTO of Nabla. Previously an engineer at Facebook AI Research and co-founder/engineer at Wit.ai (Facebook).

Priscilla Pennington

Joined Nabla November 2024. Previously VP of Sales at Relatient / Radix Health, VP of Sales Operations at ClearGage, and Enterprise Sales Director at Waystar.

Christina Boulier

Leads enterprise deployment, onboarding, specialty-level training, and clinician feedback loops. Described as central to Nabla's differentiation strategy.

Amanda Wolfe

Chloé Thomas