Hallgeir holds a BA of Industrial Design and honours from Newcastle University in Australia. After completing his degree in 2006, Homstvedt went on to work for the pioneer design studio Norway Says before opening his own design studio in 2009.

He now works across the fields of furniture, interior and product design, focusing on products that are tactile, interactive and engage the observer's curiosity. Hallgeir has previously designed the much loved Bislett series for Røros Tweed.