Sandra Roach is an experienced statistician and epidemiologist with a broad range of professional experience in employee experience management, client solutions, and solutions architecture for Medallia, a leading customer and employee experience management company. With a PhD from the University of California, Davis, and an AS in Mathematics from Butte College, Roach has held senior leadership roles at Medallia, including Senior Director and Head of Employee Experience Delivery Practice, Professional Services, and Senior Director, Solutions Architecture, and Employee Experience Practice Lead, Professional Services. Roach's prior experience includes positions as a Graduate Student Researcher, Teaching Assistant, and Entry Level Mathematics Workshop Instructor. Her educational background and expertise in mathematics, statistics, and epidemiology make her uniquely qualified to provide thought leadership and strategic guidance in areas such as customer experience, employee engagement, and business process optimization.