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William Loeffler, PharmD

Vice President and Chief Pharmacy Officer

Kaleida Health

Buffalo, NY

Dr. Loeffler first joined Kaleida Health in May 2023 as the system’s senior director of pharmacy. In August 2024, he was promoted to vice president and chief pharmacy officer. His role entails leading systemwide pharmacy services to provide patients with top-tier pharmaceutical care. He is also charged with managing the ever-growing landscape of new medication therapies. Before coming to Kaleida Health, Dr. Loeffler spent nearly nine years at Buffalo (N.Y.) General Medical Center, serving first as pharmacy manager and then as director of pharmacy.

Becker's Recognition

William Loeffler, PharmDhas been named a Becker's honoree on the lists below.

2025 Winner

Executives

Hospital and Health System Chief Pharmacy Officers to Know

Chief pharmacy officers provide systemwide oversight of medication management and drug supply, which in turn creates a safer patient experience. These executives are also responsible for leading cost-effective pharmacy strategy, implementing impactful pharmacy policies, driving automation and technology initiatives, and educating the next generation of pharmacy leaders.

2026 Winner

Executives

101 Hospital and Health System Chief Pharmacy Officers to Know

Chief pharmacy officers provide systemwide oversight of medication management and drug supply, which in turn creates a safer patient experience. These executives are also responsible for leading cost-effective pharmacy strategy, implementing impactful pharmacy policies, driving automation and technology initiatives, and educating the next generation of pharmacy leaders.

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