Sigvald Rist was GM in Insula's subsidiary Lofotprodukt AS from its establishment in 1994 until the establishemt of Insula in 2015. Prior to this, he was deputy GM at Dahl Nusfjord settefiskanlegg AS (aquaculture company).

He was a member of Sjømatbedriftenes fiskematutvalg (Norwegian processed seafood council) in 2010-2014.

Sigvald holds a Bachelor's degree in Aquaculture from Nord University and management education through Northern-Norwegian Leadership Development program.