Leadership
Meet the team
Medical imaging and clinical informatics veterans who spent their careers building the systems they now help govern. Asher Informatics is guided by an advisory network of healthcare executives and AI vendors who share that same mission.
Aaron Sullivan
CEO
More than 25 years of leadership shaped by U.S. Army service and senior roles at Bayer, with deep expertise in the regulated, complex environments AI oversight now demands.
Charlotte Kalafut
Co-Founder
Sets the vision, mission, and strategy for Asher Informatics, building the executive team and the relationships with regulators, partners, and patient advocates the mission depends on.
John F Kalafut, PhD
Co-Founder & Chief Technology Officer
Leads product design, engineering, and clinical science, with 40 granted US patents across medical devices, healthcare informatics, and regulated software.
Bill Barrett
Chief of Staff
More than 20 years building commercial partnerships across health systems, Medtech channel partners, and academic medical centers. Formerly Global Market Director of OEM Specifications for a $25B public company.
Laure Tessier-Delivuk, PMP
Founding Partner
Deep experience in healthcare operations and enterprise client success, shaping the commercial and operational frameworks that support disciplined, sustainable scale.
Aaron Hillman
Chief Marketing Advisor
A strategic marketing and communications leader with more than 22 years of experience moving digital health from theory to practice. Having held senior roles in both global multinationals and agile startups, Aaron knows how to bridge the gap between technical innovation and frontline operations.