NEW YORK--(BUSINESS WIRE)--InfuSystem Holdings, Inc. (OTCBB: HAPN, HAPNW, HAPNU), the leading provider of ambulatory infusion pump services for administering chemotherapy, today announced the appointment of Sean M. Whelan, CPA, to the position of chief financial officer. Mr. Whelan replaces Erin Enright who held the position through the successful completion of the InfuSystem acquisition.
