5 Shocking Facts About Billy Evans: Elizabeth Holmes' Partner And His Controversial New Biotech Startup, Haemanthus

The spotlight has once again fallen on Billy Evans, the partner of former Theranos CEO Elizabeth Holmes, following a series of high-profile reports in early 2025 regarding his own new venture. As Holmes continues to serve her lengthy prison sentence for defrauding investors, Evans has been making headlines for launching a biotech startup named Haemanthus, a move that has drawn immediate and intense scrutiny from the media and the venture capital world. The timing and nature of his new company—which reportedly focuses on blood-testing AI—have led to widespread comparisons to the infamous Theranos saga, sparking a new wave of curiosity and controversy around the hospitality heir.

The current date is December 12, 2025, and the most compelling, up-to-date information on Billy Evans revolves around his professional pivot and his personal efforts to support his partner. From his privileged background as an heir to a prominent hotel fortune to his current role as a biotech founder raising millions in fresh VC cash, Evans remains a figure of intense public interest. This article delves into the most shocking and essential facts about the man at the center of one of the decade's most talked-about business dramas, focusing on the latest developments surrounding Haemanthus and his life with Elizabeth Holmes.

Billy Evans: A Complete Profile and Biography

• Full Name: William George Evans
• Born: Circa 1992 (Age: Approx. 33 as of 2025)
• Hometown: San Diego, California
• Education: Massachusetts Institute of Technology (MIT)
  • Graduated 2015 with a Bachelor of Science in Economics
• Family Background: Grandson of William and Anne Evans, founders of the prominent Evans Hotel Group in 1953, which owns properties like the Lodge at Torrey Pines and Bahia Resort Hotel. He is an heir to the family's hospitality fortune.
• Previous Career Roles:
  • Special Projects Manager at LinkedIn
  • Held a role at Luminar Technologies, a self-driving car company
• Current Status: Founder of Haemanthus, a biotech AI startup
• Partner: Elizabeth Holmes (Engaged 2018)
• Children: Two children shared with Elizabeth Holmes

1. The Launch of Haemanthus: The 'Theranos 2.0' Controversy

The most significant and recent development in Billy Evans' life is the founding of his new company, Haemanthus. Reports from May 2025 revealed that Evans was actively pitching the biotech startup to investors and successfully raising millions in venture capital funding.

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The company's focus—reportedly a blood-testing AI startup—immediately drew comparisons to Elizabeth Holmes' fraudulent company, Theranos, which promised revolutionary blood-testing technology but ultimately failed. This similarity has fueled the "Theranos 2.0" narrative, raising ethical and professional questions.

Critics argue that Evans is leveraging the notoriety of his partner to gain attention, while others question the judgment of venture capitalists willing to invest in a blood-testing startup so closely linked to the Theranos scandal. The name "Haemanthus" itself, which is a genus of flowering plants, also translates from Greek to "blood flower," adding a layer of unsettling symbolism to the venture. This controversial launch is the primary reason for his renewed media attention in 2025.

2. His Family's Prominent Hotel Fortune and San Diego Roots

Billy Evans is not a self-made entrepreneur; he is an heir to a substantial family fortune. His grandparents, William and Anne Evans, established the Evans Hotel Group in 1953. The company is a prominent fixture in the San Diego hospitality scene, owning and operating iconic properties. This background provides a stark contrast to the high-stakes, high-risk world of Silicon Valley biotech that he and Holmes have been involved in.

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His privileged upbringing and financial security are often cited as a key factor in his ability to maintain a comfortable life and support Elizabeth Holmes through her legal and personal troubles. He reportedly has access to family wealth, which is distinct from the money lost by Theranos investors.

3. The Campaign to Get Elizabeth Holmes Out of Prison

Beyond his professional life, Evans has been actively working on his partner's behalf. Reports from June 2025 indicate that he has sought to organize a campaign aimed at gaining early release or a reduced sentence for Elizabeth Holmes.

While the specifics of the campaign remain largely private, the efforts highlight his commitment to Holmes, even as she serves her 11-year sentence in a federal prison. His public support, including frequently visiting her and raising their two young children, has been a central part of the narrative surrounding Holmes' time in custody.

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4. The MIT and Silicon Valley Career Trajectory

Before his current role at Haemanthus, Evans built a respectable, though less scrutinized, career in the tech world. He graduated from the Massachusetts Institute of Technology (MIT) in 2015 with a degree in Economics.

His professional experience includes a position as a special projects manager at LinkedIn, one of the world's leading professional networking sites. He also worked at Luminar Technologies, a company focused on self-driving car technology. This background demonstrates a clear interest in cutting-edge technology and innovation, which he is now applying to the biotech sector with Haemanthus. This prior experience, however, is now overshadowed by the immense pressure and expectations placed on him due to the Theranos legacy.

5. The Timing of Their Children and Financial Strategy

Billy Evans and Elizabeth Holmes became engaged in 2018 and welcomed their first child shortly before her trial began, followed by a second child. The timing of their family planning has been a point of public debate, with some speculating that it was a calculated move to garner sympathy and potentially influence the sentencing decision.

In a February 2025 interview, Elizabeth Holmes addressed this speculation, denying that the decision to start a family was a ploy to avoid jail time. Regardless of the intention, the existence of two young children has added a layer of human interest and complexity to the story, with Evans serving as the primary caregiver while Holmes is incarcerated. His financial resources, stemming from the Evans Hotel Group, are crucial in maintaining stability for their family during this tumultuous period.

Billy Evans remains a pivotal figure in one of the biggest corporate fraud stories in history, not just as the partner of Elizabeth Holmes, but now as a biotech founder facing immense scrutiny. His new company, Haemanthus, is the focal point of all current discussions, forcing him to navigate the treacherous waters of the venture capital world while constantly battling the ghost of Theranos. The next few years will determine if Evans can build a legitimate, successful company or if Haemanthus will become another cautionary tale in the shadow of his partner's downfall.