The phrase "designated representative" refers to an authorized person or a chosen individual who is given the responsibility to act or speak on behalf of a group, organization, or another individual.
I have designated representatives from digital distributors to help me market my work. (killzoneblog.com)
RBC lawyers in New York, Minneapolis, Atlanta, Toronto, and London volunteered a record 1,020 hours of pro bono time in the past year by assisting unrepresented litigants in civil matters, acting as designated representatives for unaccompanied minor children, assisting cancer patients with legal rights, and assisting foster parents with the adoption of older youths. (canadianlawyermag.com)