Angela Maria Sierra Moreno

About Angela Maria Sierra Moreno

Angela Maria Sierra Moreno is a Colombian corporate leader and board member known for her expertise in customer management, organizational transformation, and human resources. At Teleperformance, a global leader in customer experience management, she holds a prominent governance role as an independent director and chair of the CSR Committee, reflecting both her people-focused leadership style and her strong interest in sustainable corporate governance. Born on August 30, 1954, she holds a degree in Bacteriology from Colegio Mayor de Antioquia University in Colombia and a Master of Science degree from Ohio University in the United States. Her career initially developed in the airline and services sectors, where operational discipline, service quality, and customer-centric execution are critical. From 1995 to 2002, she served as Vice President in charge of Services at ACES, where she was responsible for initiatives aimed at changing the company’s culture in line with internal requirements and shifts in its external environment. In 2002, she joined Avianca as Vice President in charge of Services and Human Resources. In that role, she helped design and implement a corporate strategy focused on building a customer-centric organization, developing processes, tools, and mechanisms dedicated to customer service across the company’s global operations. This experience strengthened her expertise in organizational design, change management, and leading teams in complex, multinational settings. Since 2010, Angela Maria Sierra Moreno has also worked as an organizational management consultant. She advises companies and organizations across various industries on customer relationship management, human resources, and cultural and organizational change. At Teleperformance, her background is particularly relevant to the group’s strategic priorities in social responsibility, employee engagement, and service excellence. Reappointed as a director at the 2023 shareholders’ meeting, she continues to play an important role in the group’s strategic oversight and governance.