Sigþór was born in Reykjavík and raised in a little town just outside the city. At an early age he was interested in nature and soon started exploring the neighbouring hills and mountains. As a teenager he became really interested in the Spanish language and its culture. That interest brought him to Spain and Chile where he spent a year as an exchange student.
After finishing his degree in Philosophy from the University of Iceland, he started working in the tourist industry in Costa del Sol as a tour leader. After his experience with beach tourism and extensive backpacking tours around the world, he decided to return to his home country and rediscover its natural beauty. In 2004 he began to work for IMG as a trekking guide followed up by further education from The Icelandic guiding school. Every summer since then he has been taking groups on short and long hikes during the brief summer season. In winter, Sigþór works as a history teacher and swim instructor. Apart from being a nature lover and a passionate hiker, Sigþór has a keen interest in yoga, skiing, running and physical exercise. Sigþór is an experienced guide with a Wilderness First Responder qualification.