She is the CEO and co-founder[1] of Twist Bioscience, a public company working on DNA synthesis.
The company harnesses synthetic biology, providing tools to manufacture insulin from yeast, to tackle malaria,[2] produce spider silk at scale[3] or store information on DNA.
Leproust participated in a March 2021 tabletop exercise at the Munich Security Conference simulating an outbreak of weaponized monkeypox.
"Plaintiffs allege that from December 13, 2019 through November 14, 2022, Twist and its senior management misrepresented that the company possessed innovative proprietary technology to produce synthetic DNA at a higher quality and lower cost than competitors, positioning Twist for significant future growth.
On November 15, 2022, Scorpion Capital issued an exhaustive, 236-page short-seller report alleging serious fraud at Leproust's company, Twist Bioscience.