The $10 Million Heir: 5 Shocking Facts About Elizabeth Holmes's Husband, Billy Evans, And His New Biotech Venture

The story of Elizabeth Holmes, the disgraced founder of Theranos, remains one of the most compelling and cautionary tales in modern Silicon Valley history, but the narrative is incomplete without exploring the role of her husband, William "Billy" Evans. As of late 2025, his life has taken a surprising new turn, moving him from the periphery of the scandal to the center of a fresh, controversial business venture. The former hotel heir is not only navigating the complexities of raising two young children while his wife serves an 11-year prison sentence, but he has also launched a new health tech startup, a move that has stunned many observers given his wife's catastrophic downfall in the very same industry.

The commitment of Billy Evans to his wife has been unwavering, with him attending every day of her trial and regularly visiting her at the Federal Prison Camp in Bryan, Texas. His background is a stark contrast to the world of venture capital and biotech fraud, rooted instead in the established, luxury hospitality industry. This deep dive uncovers the latest on the enigmatic figure who stands by the woman once hailed as the next Steve Jobs, detailing his life, family legacy, and his own unexpected pivot into the world of blood testing.

Billy Evans: A Complete Biography and Profile

William "Billy" Evans is a figure of immense public fascination due to his marriage to Elizabeth Holmes. His life before the Theranos scandal was one of privilege, education, and family legacy, positioning him as a discreet member of the San Diego elite. The following profile provides a detailed look at the man behind the headlines.

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• Full Name: William "Billy" Evans
• Date of Birth: c. 1992 (He was reported to be 30 in 2022)
• Place of Birth: San Diego, California, USA
• Marital Status: Married (to Elizabeth Holmes, since 2019)
• Children: Two (a son, William Holmes Evans, born July 2021, and a second child born before Holmes's incarceration in May 2023)
• Education: Massachusetts Institute of Technology (MIT), where he reportedly studied economics.
• Family Background: Heir to Evans Hotels, a prominent, family-owned hospitality group in the San Diego area. His grandparents, William and Anne Evans, founded the company.
• Net Worth: Estimated to be around $10 million, largely due to his family's wealth and business interests.
• Career: Previously worked at LinkedIn and Luminar Technologies (a self-driving car company). Currently leading a health tech startup called Haemanthus.

The Evans Hotels Legacy and Family Disapproval

Billy Evans is not a self-made man of Silicon Valley; he is an inheritor of a long-standing, successful family enterprise. The foundation of his wealth and social standing comes from Evans Hotels, a hospitality group that owns and operates luxury properties in the San Diego region. The company's portfolio includes iconic establishments like The Lodge at Torrey Pines, the Bahia Resort Hotel, and the Catamaran Resort Hotel and Spa. This background places Evans firmly within the world of established, traditional business, a stark contrast to the high-risk, move-fast-and-break-things culture of the startup world that defined his wife's career.

The family ties, however, were reportedly strained by his relationship with Elizabeth Holmes. Sources indicate that the Evans family, particularly his grandparents, did not initially approve of his relationship with the controversial Theranos founder. The concerns likely stemmed from the mounting legal troubles and public scrutiny surrounding Holmes, which began to intensify around the time Evans met her in 2017 at a Bay Area charity event. Despite this reported disapproval, Evans has remained a fiercely loyal partner, a constant presence during the most difficult years of Holmes's life, from her indictment through her conviction and sentencing.

His unwavering support during the trial, where he was often seen accompanying Holmes, highlighted his commitment. Evans reportedly even paid for a substantial portion of Holmes's legal expenses, demonstrating a significant financial and emotional investment in his wife's defense. This display of loyalty, in the face of public and familial pressure, cemented his role as Holmes's primary pillar of support.

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From Hotel Heir to Biotech Entrepreneur: The Haemanthus Twist

In a development that has generated significant buzz and controversy, Billy Evans has launched his own health technology startup, named Haemanthus. This move is particularly audacious, as it puts him directly back into the very industry that led to his wife's downfall and incarceration. The name Haemanthus itself is a genus of flowering plant, but the venture's focus is on diagnostic testing, a field inextricably linked to the Theranos scandal.

The company is reportedly raising capital and aims to develop technology that can perform diagnoses from user samples, including blood, urine, and saliva. This mission immediately draws parallels to the failed promise of the Theranos Edison machine, which claimed to run hundreds of tests from a single drop of blood. The irony of Evans, the husband of a convicted fraudster in the blood-testing space, starting a similar company is not lost on Silicon Valley observers.

The launch of Haemanthus raises several critical questions about investor due diligence and the influence of the Holmes-Evans connection. While Evans has a clean, separate professional history, his proximity to the Theranos saga creates an immediate hurdle of trust. The company’s success will depend on its ability to distance itself from the specter of fraud while delivering on a complex technological promise. This new professional chapter for Evans suggests a desire to establish his own identity as an entrepreneur, perhaps even an attempt to reclaim some of the innovative spirit that his wife was once celebrated for, albeit with a heavy dose of public skepticism. The development of Haemanthus is a key, current-day entity that provides a fresh angle to the "Elizabeth Holmes husband" narrative, making it a crucial topic for updated reporting.

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Family Life and the Impact of Incarceration

The Holmes-Evans marriage and family life have unfolded under extraordinary circumstances. The couple met in 2017, got engaged in 2018, and married in a private ceremony in 2019, all while the federal investigation into Theranos was gaining momentum. They welcomed their first child, a son named William Holmes Evans, in July 2021, just weeks before Holmes's fraud trial began. A second child was born shortly before Holmes was ordered to report to prison in May 2023.

The presence of two young children was a factor in Holmes's attempts to delay her prison sentence, with her legal team arguing for a later start date. Ultimately, she began her 11-year sentence at the Federal Prison Camp in Bryan, Texas. For Evans, this has meant becoming the primary caregiver for their children while maintaining a long-distance marriage. He is known to visit the prison regularly, bringing their children to the visitation center for brief, supervised contact.

The current reality for Evans is a challenging balancing act: managing the demands of a new startup, navigating the complexities of his family's hotel empire, and ensuring the well-being of his young family while his wife is incarcerated. His commitment to his marriage, despite the intense public scrutiny and the financial and legal fallout from the Theranos collapse, remains a central, defining feature of his public persona. The story of Billy Evans is one of unwavering spousal loyalty, a stark contrast to the betrayal and deceit that characterized the Theranos fraud.