(a) One member of the board shall have substantial training or professional expertise in mortgage lending and real estate finance.
(b) One other member of the board shall have substantial training or professional expertise in geriatrics, gerontology, or long-term care.
(c) One member of the board shall have an accounting or auditing background, and preferably shall be a certified public accountant.
(d) One member of the board shall have a degree in health care administration or shall have experience in the financial management of health care facilities.
(e) Nothing in this section shall be construed to prohibit any member of the board from serving the remainder of his or her term.
(f) The first vacancy in the membership of the board, that occurs after the enactment of the act adding this subdivision and does not require the training or expertise required by subdivision (a) or (b), shall be filled by the appointment of a member who meets the criteria required by subdivision (c).