Peter Ungphakorn worked in the Information and External Relations Division of the WTO Secretariat from 1996 to 2015, part of the team briefing journalists, writing material for the WTO website and preparing public information on the WTO.

Before that he was a journalist mainly based in Bangkok, writing about economics, trade and the Uruguay Round negotiations. For The Nation and Bangkok Post, and freelancing for the Financial Times.

Since retiring from the WTO, he has returned occasionally to freelance journalism, mainly blogging on trade, the WTO and Brexit on https://tradebetablog.wordpress.com/