Antonius Suwanto was born in Jember on November 30, 1959. He has found two circular chromosomes or plasmids in Rhodobacter with Kaplan S in 1989. He received an award as cum laude from the Institut Pertanian Bogor, Indonesia. After that, he received his master's degree from the University of Illinois. He is a faculty member in the Department of Biology, Institut Pertanian Bogor.