Phreesia names Jack Callahan as new Chief Technology Officer

Phreesia has named Jack Callahan as the company’s new Chief Technology Officer. Callahan previously served as Phreesia’s Vice President of Engineering and has been with the company for 14 years. He succeeds Dan Nathan, who has been with the company for 17 years and played an integral role in establishing Phreesia’s technical capabilities. Nathan will remain with the company as Senior Engineering Advisor.