; and (ii) is familiar with trades related to building and real property, including construction, engineering, architecture, leasing, and strategic partnerships; and (E) at least three members represent congressionally chartered, membership-based, veterans service organizations. (d) Meetings (1) In general The Commission shall meet only during calendar years 2022 and 2023. (2) Public nature of meetings and proceedings (A) Public meetings Each meeting of the Commission shall be open to the public. (B) Open participation All the proceedings, information, and deliberations of the Commission shall be available for review by the public. (e) Vacancies A vacancy in the Commission shall be filled in the same manner as the original appointment, but the individual appointed to fill the vacancy shall serve only for the unexpired portion of the term for which the individual’s predecessor was appointed. (f) Pay (1) In general Members of the Commission shall serve without pay. (2) Officers or employees of the United States Each member of the Commission who is an officer or employee of the United States shall serve without compensation in addition to that received for service as an officer or employee of the United States. (3) Travel expenses Members shall receive travel expenses, including per diem in lieu of subsistence, in accordance with sections 5702 and 5703 of title 5, United States Code. (g) Director of staff (1) Appointment The Commission shall appoint a Director who— (A) has not served as an employee of the Department of Veterans Affairs during the one-year period preceding the date of such appointment