John Christopher Callanta is a transformational COO and market expansion leader with over 17 years of experience in the healthcare, pharmaceutical, and financial services sectors. Currently serving as the Head of Capability and Transformation at AstraZeneca since 2025, they previously held various roles at GSK, including Medical Representative and Key Accounts Officer. Callanta also served as Sales & Key Accounts Director at Reliance United and Country Head at MedAdvance in 2024, and was the Chief Operating Officer at The Golden Legacy Financing Corporation before that. They earned a Bachelor's Degree in Agribusiness Management majoring in Marketing from the University of the Philippines in 2008.
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