[1] Roth was curator and head of the historical department of the Gothenburg Museum from 1935 to 1965 and obtained a Doctor of Philosophy (fil.dr.)

[2] During World War II, Roth was chief of C-byrån's Gothenburg Group.

[3] He was secretary and curator of Gothenburg's Art Association (Göteborgs konstförening) in 1933 and was a board member of the City Council Natural and Cultural Protection Preparation (Stadsfullmäktiges natur- och kulturskyddsberedning) from 1935 to 1964.

Roth was a board member of the Bildtska hembygdsmuseet from 1935, of the Heritage Council in Gothenburg and Bohus County (Kulturminnesrådet i Göteborgs och Bohus län) from 1935, of the Kulturminnesföreningen Gathenhielm from 1937 to 1964, of the City Library Board (Stadsbiblioteksstyrelsen) from 1943, of the Swedish Archaeological Society (Svenska arkeologiska samfundet) from 1947, of the Gunnebos styrelse from 1949 and of the Felix Lindberg's Endowment Fund (Felix Lindbergs donationsfond) from 1951.

[4][2][1] Roth was chairman of the Swedish section of the Scandinavian Museum Association (Skandinaviska museiförbundet) from 1953 to 1956.