Professor Nils Gunnar Hansson von Heijne, born 10 June 1951 in Gothenburg, is a Swedish scientist[2] working on signal peptides, membrane proteins[3][4][5] and bioinformatics[6][7] at the Stockholm Center for Biomembrane Research at Stockholm University.

Gunnar von Heijne graduated 1975 with a Master of Science degree in chemistry and chemical engineering from the Royal Institute of Technology (KTH).

1989-1994 he was active at Karolinska Institutet, and in 1994 he was made a professor in theoretical chemistry at Stockholm University.

[8] von Heijne's research primarily concerns membrane proteins, and he is one of the most cited Swedish scientists in the areas of biochemistry and molecular biology.

[10] He heads the Center for Biomembrane Research at Stockholm University.