Cheryl MacDiarmid

Cheryl MacDiarmid is a member of the senior executive team in the US for GSK, a leading, multinational global pharmaceutical company. She is directly responsible for the US primary care sales division; strategy, planning and operations; and marketing, leading more than 2500 employees. A dynamic and strategic general manager, Cheryl brings 20 years of deep experience in building businesses in the US and Canada across sales, marketing and managed markets in both pharmaceuticals and vaccines.

She has a gift for creating and leading extraordinarily powerful teams. She seeks out and thrives on challenge, leading her teams to set an ambition, make choices and execute bold, game-changing moves that pivot and change a business trajectory. Notable recent accomplishments include catalyzing a significant turnaround within the US sales organization while solidifying a path to sustained growth and launching a new type 2 diabetes medicine in the US, exceeding external benchmarks and market expectations.

She is a values-driven leader with significant experience managing commercial risk, compliance and alliance governance. As a pharmacist, Cheryl navigates complex scientific and clinical data with ease and has a passion for respiratory disease and diabetes. She brings a global mindset to her work, having served as a chief of staff associate to the GSK President, International Region.

A native of Canada, Cheryl graduated from the University of Toronto with a degree in Pharmacy and subsequently received an MBA from the Schulich School of Business. She lives in Philadelphia. Her personal passions include running, skiing, and visits north to Canada.