Jeff Diamond is a commercially driven executive with more than 20 years of experience leading growth, operations, and commercial strategy across healthcare technology and data-driven services businesses. As CEO of Aptarro, Jeff is focused on accelerating the company's next phase of growth — expanding its platform capabilities, deepening customer value, and positioning Aptarro as the definitive partner for healthcare organizations navigating revenue cycle complexity.

Most recently, Jeff served as Chief Operating Officer of MDpanel, one of the largest providers of independent and qualified medical evaluations in the United States and Canada, where he led operational scaling, technology modernization, and go-to-market execution. Prior to MDpanel, Jeff held leadership roles at R1 RCM as Executive Vice President of Physician Solutions and LexisNexis Risk Solutions, including President of the Healthcare division.

Jeff holds a Juris Doctor from Rutgers Law School and holds a Bachelor of Business Administration degree from Florida Atlantic University.