Hulda Gústafsdóttir is a trainer and riding instructor at Árbakki. She also runs the exporting company Hestvit with her husband Hinrik. Hulda has won many Icelandic,- and Nordic championships titles and has been in the icelandic national team many times. Hulda is the sport rider of the year 2016 in Iceland after great results that year, i.a. she was the Icelandic champion in four gait and five gait.