; (B) have demonstrated strong capabilities in entrepreneurship, innovation, public service, and leadership; and (C) have had a positive impact in their communities, organizations, or institutions. (2) Oversight The fellowships described in paragraph (1) shall be overseen by the Secretary of State through the Bureau of Educational and Cultural Affairs. (3) Eligibility The Secretary of State shall establish and publish— (A) eligibility criteria for participation as a fellow under paragraph (1); and (B) criteria for determining which eligible applicants will be selected. (d) Reciprocal exchanges Subject to the approval of the Secretary of State, United States citizens may— (1) engage in reciprocal exchanges in connection with alumni of the fellowship described in subsection (c); and (2) collaborate on projects with such fellowship alumni. (e) Regional leadership centers and networks The Administrator of the United States Agency for International Development shall establish— (1) not fewer than 4 regional leadership centers in sub-Saharan Africa to offer in-person and online training throughout the year on business and entrepreneurship, civic leadership, and public management to young African leaders who are between 18 and 35 years of age, have demonstrated strong capabilities in entrepreneurship, innovation, public service and leadership, and peace-building and conflict resolution, and have had a positive impact in their communities, organizations, or institutions