Kelder studied Dutch law at
Utrecht University (1983–1990). On the side he was a press officer on the board of the political liberal youth organization
JOVD from 1987 to 1989. He was also executive editor of the JOVD association magazine, the
Driemaster, for which he made interviews and photo reports. After an intership at the
business magazine Quote he became an editor at
Quote in 1990. In December 1993, he became
editor-in-chief of the magazine. In 1998, he was elected 'Editor-in-Chief of the Year' by the Dutch Magazine Media Association (MMA) and in December 1999
Quote was awarded 'Magazine of the Year'. From 1993 onwards Kelder also wrote articles and columns for news papers
NRC Handelsblad and
Het Parool. From October 1997 to June 1999 Kelder was co-editor-in-chief of the magazine
QPF as well. In April 2007, after the takeover of
Quote by
Hachette Filipacchi Médias, he decided to step down as editor-in-chief of the magazine. Since 2018, Jort Kelder is hosting the radio programme
dr Kelder en Co on NPO Radio 1 (AVROTROS) on Saturday afternoons. From February 2022, he also hosts a biweekly podcast called
De Snobcast, together with Yvo van Regteren Altena. Since April 2023, is a columnist for the financial news paper
Het Financieele Dagblad. == Personal life ==