The phrase "acted as a representative" is correct and usable in written English.
You can use it when describing someone who is performing the role or duties of a representative in a specific context, such as a meeting, event, or organization.
Example: "During the conference, she acted as a representative for our company, presenting our latest research findings."
Alternatives: "served as a representative" or "functioned as a representative."
She had acted as a representative of the owner at the club, and in support of the board of directors, before formally joining the board of Chelsea FC plc in the summer of 2013.
Samoura, who has worked at the UN since 1995 and acted as a representative or director in six countries, said: "I believe this role is a perfect fit for my skills and experience – strategic, high-impact team building in international settings – which I will use to help grow the game of football all over the world.
Perhaps more importantly, the molecular signature of cell death proteins and the response to antagonism revealed that OVCAR3 cells were quite similar to patient-derived tumor cells typified by OV#2224 and OV 3871, and thus acted as a representative cell line for this system.
Under a compact dating from 1921 it acts as a representative of both states.
It is a true honor to act as a representative to my amazing class the best and brightest group of future business trailblazers.
No person previously employed by the Department of Justice shall be permitted to act as a representative in any case in violation of the provisions of 28 CFR 45.735-7.
–If you had to act as a representative of the United States responding to one of the protests you researched, what would your official statement be?
He was directed into the community with that full authority and was given free rein to act as a representative of the church.
"It is ridiculous to claim that all Atac employees vote in the same way," he said, although he himself acts as a representative for non-unionised Atac staff.
In 1988, when Mikhail Gorbachev visited the US on a trip to improve Soviet-American relations, Trump offered him an invite to Trump Tower, where he could "act as a representative of the American people".
It's a serious step towards reforming the Lebanese economy," says Qassem Tlaiss, a resident of Brital who acts as a representative of the powerful Bekaa clans known to farm cannabis.
