BillionToOne, Inc.

Co-Founder, Chairman & Chief Executive Officer

Chief Financial Officer

Co-Founder, President, Chief Technology Officer & Director

Chief Compliance Officer, General Counsel & Secretary

Senior Vice President of Laboratory Operations

Senior Vice President of Sales & Commercial Operations

Vice President of Sales Strategy & Operations

Vice President of Marketing

Vice President of Business Operations & Chief of Staff

VP & Controller

Senior Director of People Operations

Chief Medical Officer of Oncology

Chief Medical Officer for Prenatal

Chief Administrative Officer

Chief Product Officer