Gunnar Myrstrand studied in Gothenburg before he in 1949 got employment at the exhibitions section at Svensk Form, where he stayed for seven years. During the same time Myrstrand established a design studio together with Sven Engström in the end of the 1940’s.
From their studio Myrstrand and Engström was a part of the Bra Bohag-Group and worked with several Swedish furniture manufactures such as Gemla and Nässjö Stolfabrik. For the later, they designed one of their most well-known designs in 1953, the Bågen (eng. The bow) chair, with a sun fan shaped back. Bågen was shown both at the furniture fair in Gothenburg in the Bygge och Bo exhibition in the same year. Myrstrand was represented at the Milan Triennale in 1954.
For Skaraborgs Möbelindustri Myrstrand and Engström developed the furniture collections Ideal and Expo in 1952 and for Svenska Möbelfabrikerna in Bodafors they designed the 1961 series Skandinett. Both Myrstrand and Engström worked as teachers and participated at several expos, such as the H55 in Helsingborg 1955. Myrstrand was also responsible for several exhibitions at the Swedish National Museum of Fine Arts, including the Svenskt Glas in 1954.
In the beginning of the 1960’s the collaboration between Myrstrand and Engström seized, and Myrstrand founded his own studio from where he worked as an interior architect for the Swedish Handelsbanken and LKAB. During the later part of the 60’s he also worked as an artistic coordinator at Rörstrand.
Myrstrand last major commission as an interior architect was the Tibble church at the Stockholm suburb of Täby that was opened in 1973. Gunnar Myrstrand passed away at the age of 71 in 1997.