Reyes Feito Castellano is a member of the Higher Corps of the Labour and Social Security Inspectorate. Graduated in Law from the Autonomous University of Madrid, she has specialized training in public management, direction and managerial techniques and public policy analysis taught by INAP, ESADE and the Carlos III University.

Throughout his career he has held various managerial positions in the General State Administration in the Ministries of Defense, Culture, Public Administrations, Science and Technology and Tourism, where he has exercised functions of strategic planning, human resources management, administrative modernization, public procurement, grant management and common services. Among other positions, she has been Assistant Director-General for Environmental Sustainability and Energy Efficiency in the Ministry of Defense; Assistant Director-General for Promotion of Cultural Industries and later Head of Technical Cabinet of the Under-Secretariat in the Ministry of Culture; and Assistant Director-General for Staff Management and Staff Management in the Ministry of Public Administrations.

From 2017 until her appointment as general director of Public Governance she held the position of Deputy Director of Human Resources and Economic and Patrimonial Management of the National Commission of Markets and Competition.