He was appointed as a full professor and the head of Medical Inflammation Research (MIR) unit at Lund University in 1993.
In 2008, Rikard and his whole research group were recruited to Karolinska Institute.
[1] His team was the first to discover and positionally clone a single nucleotide polymorphism at the Ncf1 gene causing susceptibility to autoimmune diseases in rat models.
[2] Rikard was an adjunct member of the Nobel Committee for physiology or medicine between 2016 and 2021,[3] and was ranked 2nd among the top immunology scientists in Sweden in 2021.
[1] He became a full professor since 1993, and he is now the head of the MIR Division at Karolinska Institute (2008–present).