; (bb) the Secretary of Defense shall appoint 1 member to the Board; and (cc) the Secretary of Veterans Affairs shall appoint 1 member to the Board. (II) Terms The members appointed under subclause (I) shall serve for a term of 3 years and may be reappointed. To ensure subsequent appointments to the Board are staggered, of the 7 members first appointed under subclause (I), 2 shall be appointed for a term of 1 year, 2 shall be appointed for a term of 2 years, and 3 shall be appointed for a term of 3 years. (III) Consideration When considering whom to appoint to the Board, the Secretary of Transportation and Secretary of Defense shall ensure the overall composition of the Board remains balanced between and within the fields of aviation, finance, and academia. (iii) Executive director The Executive Director of the Center shall be a member of the Board pursuant to paragraph (5)(D). (B) Vacancies A vacancy on the Board shall be filled in the same manner as the initial appointment. (4) Chairman of the Board The Board shall choose a Chairman of the Board from among the members of the Board. (5) Administrative matters (A) Meetings (i) In general The Board shall meet at the call of the Chair but not less than 2 times each year and may, as appropriate, conduct business by telephone or other electronic means. (ii) Open (I) In general Except as provided in clause (II), a meeting of the Board shall be open to the public. (II) Exception A meeting, or any portion of a meeting, may be closed if the Board, in public session, votes to close the meeting because the matters to be discussed— (aa) relate solely to the internal personnel rules and practices of the Center; (bb) may result in disclosure of commercial or financial information obtained from a person that is privileged or confidential; (cc) may disclose information of a personal nature where disclosure would constitute a clearly unwarranted invasion of personal privacy