At Westdeutscher Rundfunk (WDR) she heads the programme group for business and law.

She was an editor at NDR aktuell and reporter for the news programmes Tagesschau and Tagesthemen.

[1] Ehni joined the WDR in 2004 as editor of the programme group "Economy and Law" and worked for the programmes Markt, Plusminus and ARD Ratgeber Recht.

She continues to work as a presenter, among other things for the DeutschlandTrend in the Tagesthemen and for editions of the ARD Brennpunkt as well as the programme Plusminus.

[2] On September 1, 2018, Ellen Ehni took over as editor-in-chief of the television department and head of the programme area Politics and Current Affairs of Westdeutscher Rundfunk (WDR).