; (2) climate change science; (3) finance and investments; and (4) environmental justice and matters related to the energy and environmental needs of climate-impacted communities. (e) Restriction on membership No officer or employee of the Federal or any other level of government may be appointed or elected as a member of the Board. (f) Quorum Five members of the Board shall constitute a quorum. (g) Bylaws (1) In general The Board shall adopt, and may amend, such bylaws as are necessary for the proper management and functioning of the Bank. (2) Officers In the bylaws described in paragraph (1), the Board shall— (A) designate the officers of the Bank; and (B) prescribe the duties of those officers. (h) Vacancies Any vacancy on the Board shall be filled through election by the Board. (i) Interim appointments A member elected to fill a vacancy occurring before the expiration of the term for which the predecessor of that member was appointed or elected shall serve for the remainder of the term for which the predecessor of that member was appointed or elected. (j) Reappointment A member of the Board may be elected for not more than 1 additional term of service as a member of the Board. (k) Continuation of service A member of the Board whose term has expired may continue to serve on the Board until the date on which a successor member is elected. (l) Chief executive officer The Board shall appoint a chief executive officer who shall be responsible for— (1) hiring employees of the Bank; (2) establishing the 2 divisions of the Bank described in sections 1624 and 1625