Garelov was a graduate of Sofia University, where he studied journalism.
In 1972, he joined the BNT staff, and hosted the show "Panorama" (Bulgarian: "Панорама") before being succeeded by Boyko Vasilev.
[1] Between October 2013 and June 2014, he was the co-anchor of TV7's show "The Original" (Bulgarian: "Оригиналът") (together with Elena Yoncheva).
[2] Garelov was married to BNR journalist Donka Stamboliyska and they had two children.
[citation needed] He died from complications of a traumatic brain injury in Sofia, on 3 September 2024, at the age of 81.