[1] Ingibjörg is noted for running a range of businesses, sometimes associated with the 'Reykjavík 101' brand popularised by Hallgrímur Helgason's novel 101 Reykjavík, prominently including the Reykjavík 101 Hotel, an expensive boutique hotel, and 101 Capital.
She is credited with advising Jón Ásgeir on his acquisitions in the clothing and fashion sectors, and was a leading figure in Icelandic celebrity life.
[3] She was elected as Jón Ásgeir's replacement as chairman of FL Group in June 2008, shortly before its bankruptcy in September of that year.
[4] Ingibjörg is the main owner of the 'A' part of Iceland's biggest media conglomerate, 365, who owns an 89,7% share both directly and through the companies Moon Capital S.á.r.l., ML 102 ehf.
In addition, she is stepmother to the children of her husband, Jón Ásgeir Jóhannesson: Ása Karen, Anton Felix and Stefán Franz.