In 1983, he started working in radio and television for various stations. During a stay in India in 1985, he led a series of seminars and conferences, including one at the
Indian Institute of Science in
Bangalore. Yogeshwar began to work with
Jean Pütz at the
Westdeutscher Rundfunk (WDR) in Cologne in 1987 as science editor. Until 1990 he hosted many episodes of the
Wissenschaftsshow alongside Pütz. The WDR developed the show
Quarks und Co. for Yogeshwar, based on the same concept as the
Wissenschaftsshow, and he led this show from 1993 to 2018, before handing it over to
Mai Thi Nguyen-Kim and
Ralph Caspers. From 1989 to 1999, he co-hosted the TV show
Kopfball. From 1995 to 2001, he was the acting Head of the Science Programmes division of the WDR, and in 2001, he replaced Alfred Thorwarth as the head of the same division, remaining in that post till 2018. He also moderates the series of events
Wissenschaft live organised by the
Deutsches Museum Bonn. Yogeshwar organises parts of the kids radio show
Lillipuz. == Personal life ==