Eyjolfur is The Chief Riding Teacher at Holar University, Iceland. Holar University is the official Icelandic centre for riding, training and Icelandic horse research. Eyjolfur has worked at Holar since 1990. Through his work at Holar Eyjolfur has substantially influenced developments in all aspects of Icelandic horsemanship.

Eyjolfur teaches courses and offers clinics around Europe for roughly 6 months of every calendar year. Eyjolfur is the chief instructor on several courses that offer certification for riding instructors, both in Iceland and numerous other countries.

Eyjolfur has produced popular teaching materials, such as 2 DVDs "On Horseback I" and "On Horseback II", a book about training the Icelandic Horse, and numerous articles.

Eyjolfur has been active in formatting new competitions, for example the "Pace Test", which he created along with Friðþjófur Þorkelsson. The "Pace Test" is one of the most popular sporting events for the Icelandic horse in the world today. Eyjolfur is also the man behind the "colt starting competition" in Iceland.

Eyjolfur is a very successful competition rider in Iceland and Europe, the honours he has won are nearly without number. One of his most remarkable achievements is the World Record in the Tolt Competition, set in 1978 on Hlynur from Bringa. That record still stands unbeaten.

Among Eyjolfur’s achievements are: Winner of The 1978 Landsmot: "Gædingakeppni B flokkur", Icelandic Champion in Tolt 2002, Winner of The 1978 and 2002 Landsmot: Tolt. Only two riders have ever won the Tolt event at Landsmot twice - Eyjolfur being one of them. In 2002 Eyjolfur was　nominated　"Rider of the Year".

Eyjolfur’s career mission is to acquire new knowledge and find better methods of training and riding the Icelandic horse. Every year he travels in Europe and the US to keep up to date with the latest developments and examine the work of other trainers and instructors. The horsemen who have impressed Eyjolfur the most are Ray Hunt and Walter Zettl.　

Eyjolfur successfully combines old and new ideas, and methods developed for other breeds with the ancient Icelandic traditions. Eyjolfur is one of Iceland's most respected horsemen and clinicians, and a fountain of knowledge. He is a true scholar with a great ability to communicate and transfer his knowledge to others. As a riding teacher he is the pioneer that others follow. Eyjolfur is married to Ida Thellufsen.

Read what Dr. Deb Bennett from Equine Studies Institute, USA, writes about Friends of the Institute including Eyjolfur.