Born Walter Eduard Seligmann, Serner studied law in Vienna and moved to Switzerland to escape WWI. He joined the Dada movement and participated in events in Zürich, Geneva and Paris. He was editor of the publication Sirius and Zeltweg, but also contributed to Die Aktion. He wrote Lezte Lockerung: manifest Dada in 1920. He travelled through Europe and lived with Christian Schad during his staying in Italy. During 1930s he escaped the Nazis but was interned in Theresienstadt and died in 1942.