Julia A. Vorholt (born September 15, 1969)[1] is a German microbiologist who is a full professor of microbiology at ETH Zurich and an elected member of the German Academy of Sciences Leopoldina.

[1] She earned her PhD in 1997 under professor Rudolf K. Thauer at the Max Planck Institute for Terrestrial Microbiology, for which she was awarded the Otto Hahn Medal, and is a German national residing in Switzerland.

[1] Following her Ph.D., she was a postdoctoral researcher with Mary Lidstrom at the University of Washington.

[3] Current projects of the Vorholt lab at ETH Zurich include:[4] In addition, work from her lab was significant in refuting previous claims by NASA scientists that the arsenic-tolerant bacteria GFAJ-1 could utilize arsenic instead of phosphorus in DNA and other essential biomolecules.

[5][6] As of 2013 she had 90 publications,[1] and as of 2015 her work has been cited approximately 4100 times.