Isabel Tierney

Corporate Director of Human Resources

Prior to joining Yarrow Group, Isabel led the HR integration of Layer3 TV into T-Mobile following the January 2018 acquisition. Previously, Isabel was the head of HR for Layer3 TV, a next generation cable TV start-up based in Denver, CO. She hired over 150 employees ranging from senior executives to embedded engineers. Isabel started her career as an HR Analyst with Citigroup in New York, where she worked in executive compensation and as a generalist. Isabel has focused in growth organizations with a background in recruiting, performance management, policy creation, vendor selection, and compensation.