Asbjørn Birkelund var utlært i gullarbeide hos J.Tostrup i 1946 og avla svenneprøve samme sted i 1947.
Han løste håndverksbrev i 1950.
I 1950 etablerte han verksted i Rådhusgt. 28 i Oslo.
Fra 1955 og noen år var han faglig leder i grossistfirmaet Wollberg & Co.
Firmaet opphørte i 1992.
Asbjørn Birkelund was trained to work with gold at J.Tostrup in 1946 where he also took his journeyman's examination in 1947.
He received his craft certificate in 1950.
In 1950 he established craft store in Rådhusgt. 28 in Oslo.
For some years from 1955, he was professional leader in the wholesale firm Wollberg & Co.
The company ceased in 1992.