
Dave Cardelle
Dave Cardelle, R.Ph., is on the executive team at AMS and serves as the Chief Strategy Officer. He leads a dedicated team of professionals focused on transforming the payment integrity (PI) industry. With a BS in Pharmacy from the Massachusetts College of Pharmacy in Boston, MA, Dave brings a unique blend of healthcare expertise and domain knowledge to his role.
As the CSO, Dave leverages years of experience in the PI industry, including working for both Payer and Provider organizations to help AMS grow through innovative product, sales, marketing, and client relationship strategies.
Throughout his career, Dave has consistently demonstrated a keen understanding of healthcare-related matters, a skill that proves invaluable in the context of payment integrity. His passion for advancing the industry and commitment to maintaining the highest standards of integrity have earned him a reputation as a true industry expert.

Helen Liu, Pharm.D.
Helen Liu, PharmD, brings 29 years of diverse pharmacy experience, blending clinical expertise, operational efficiency, technological innovation, and management across various healthcare settings.
Over the past four years, Helen has successfully led pharmacy operations at ATRIO Health Plans (Medicare), achieving significant milestones in PA/ST, FWA, MTM programs, resulting in over $4.5M in savings. She’s conducted formulary analyses to support actuary Medicare annual bid submissions, including IRA and M3P programs, collaborated with partners and the Pharmacy Benefit Manager (PBM) to identify cost-saving opportunities through formulary alternatives, biosimilars, and rebate strategies, and partnered in the RFP PBM selection process and resolved complex pharmacy-related issues through cross-departmental collaboration.
Before ATRIO, Helen spent seven years at Kaiser Permanente, where she served as Regional Assistant Director to implement hospitals Drug Use Management Program. Her efforts led to over $20 million in savings through inventory management, drug cost-saving initiatives, and the standardization of clinical content/practice guidelines.