Ms. Jimena Acedo, a Spanish national, is a Senior Economist in the TADAT Secretariat. Prior to joining the IMF, she worked over 14 years in a variety of executive leadership positions at the Spanish Revenue Authority. She holds a Degree in Law, M.Sc. in Organizational Management and a Master's degree in Public Management, Public Policy and Taxation (with specialty in Taxation). She has broad international experience, having participated and led technical assistance missions in Eastern Europe, Latino-America and Africa, on different topics in Tax Administration, including TADAT assessments.

Mr. Jimmy Wati, a Kenyan National is a Technical Assistance Advisor at the TADAT Secretariat. Prior to joining the fund and over the past 15 years, he worked in various leadership positions at the Kenya Revenue Authority including at the Commissioner Generals Office and IT Project Management office where he accumulated a broad range of experience in Tax Administration and Project Management. He has participated in various Technical Assistance missions in Africa and the Caribbean regions including delivery of TADAT Assessments. He holds a Bachelor’s Degree in Information Sciences and currently undertaking a Master’s degree in Business Administration.

Ms. Sameera Khan is a South African national and a Technical Assistance Advisor in the TADAT Secretariat. She previously led the Country Programmes unit at the African Tax Administration Forum (ATAF), where she spearheaded technical assistance programs for member countries. In this role, she leveraged her extensive experience with African tax authorities to address key challenges and emerging issues in tax administration. With broad regional and international experience, Sameera has led and participated in several technical assistance and TADAT missions across Africa, the Middle East, and Europe. Prior to her tenure at ATAF, she headed the Tax and Customs Compliance Risk & Analysis unit at the South African Revenue Service (SARS). Sameera holds an MBA and an MPhil in Taxation and is currently pursuing a PhD in Taxation.

Mayuriel Perez is a Projects Analyst at the TADAT Secretariat. She has 15+ years of experience in international development, international relations, and project management. She holds a Master’s in International Business and Policy from Georgetown University and obtained both a Bachelor’s and a Master’s in Economics back home in Nicaragua. Her career began as a Data Analyst at the Central Bank of Nicaragua. For the past decade, Mayuriel has been based in Washington, D.C. Prior to joining the IMF, she served as an Advisor to the Assistant Secretary General of the Organization of American States and as an Operations Analyst at the Inter-American Development Bank.

Ms. Seungyeon Kim, a South Korean national, is the Administrative Coordinator at the TADAT Secretariat. She brings 7 years of experience in international development, project financing, project evaluation, and management. Before joining the IMF, she worked as an Operations and Policy Dialogue Consultant at the Inter-American Development Bank and as an Associate Manager at GDC Consulting, focusing on development projects in the Latin America and the Caribbean region. She holds a Bachelor’s degree in International Economics and Law, and Spanish Language from the Hankuk University of Foreign Studies. She is also currently pursuing a Master’s in Urban Informatics at Northeastern University