
Billy Evans wants investors to trust his blood-testing startup, yet key employees who should inspire that trust keep leaving.
Billy Evans, married to Elizabeth Holmes, surprised everybody with his role in Nathan Fielder’s new documentary about his wife and the Theranos fraud. His venture into the business also raises questions. Evans needs to demonstrate that his blood-testing startup can deliver real, accurate results.
According to the Department of Justice, Elizabeth Holmes, founder of Theranos, was ordered to surrender to begin her 11-year sentence on April 27, 2023. She was selling blood tests that didn’t work.
Billy Evans runs Haemanthus, a blood testing company. However, according to Forbes, the company has already lost its former chief technology officer in March this year.
The former CTO of Haemanthus, Joseph LaChapelle, said in an email to Forbes, “I resigned on March 16, 2026, due to a conflict of interest associated with a stealth startup I had founded before Haemanthus.
LaChapelle’s departure raises questions about the company’s leadership, especially given the controversy surrounding Elizabeth Holmes and Theranos. Losing a CTO as a startup can be pretty challenging, as the role involves overseeing technical development and making engineering decisions.
I think a blood-testing startup associated with Holmes should be subjected to rigorous scrutiny. There are no published studies evaluating Haemanthu’s technology by independent experts, and the executives continue to leave, fueling concerns and skepticism about the company's transparency.
Haemanthus faces a serious challenge: the company has yet to publish data demonstrating that its blood-testing technology really works. Convincing the public will not be easy. It remains to be seen whether the startup can prove that its tests are safe.