Ari Nagel, the controversial sperm donor infamously known as “The Sperminator,” has officially retired after fathering 176 children across 20 U.S. states, 10 countries, and five continents. The 49-year-old math professor from Brooklyn announced his decision this Father’s Day, admitting that the years of donation have finally caught up with him—physically, legally, and financially.
Sources close to Nagel told National Enquirer that his shocking retirement comes after more than a decade of unconventional donations made in public restrooms, Starbucks locations, airports, and even at a Target in Brooklyn. His method involved handing over semen-filled menstrual cups to hopeful mothers, many of whom had found him through Craigslist and online parenting forums.
Despite his prolific record, Nagel claims he never charged for his donations. He often emphasized that avoiding sperm bank costs was a big motivation for women who approached him. Some recipients were married to infertile partners, others were single or in same-sex relationships.
Free sperm, costly consequences
But not all his contributions ended in joy. Insiders revealed that at least five mothers have sued Nagel for child support, with some court orders slashing nearly half of his $100,000 annual salary. His mounting legal issues, coupled with concerns about the quality of his aging sperm, appear to have triggered his decision to stop.
Nagel admitted that advanced paternal age is linked to risks like autism and other developmental issues. He said it was best that aspiring moms look for younger donors.
He also acknowledged that while he fathered dozens of children, he tried to build connections with many of them. He believes being a dad involves more than genetic material. Being there matters more than biology, he said.
Multiple marriages, legal chaos
The Sperminator’s lifestyle hasn’t only led to paternity chaos. He has married at least five foreign women to help them meet religious or legal expectations in their countries. This controversial move raised eyebrows even among those who admired his generosity.
His first child was born in 2008 to a lesbian woman he met online. He also shares three children with his former wife, from whom he is now separated.
Despite the lawsuits and backlash, Nagel remains somewhat proud of his legacy. However, his latest romantic partner, a 22-year-old woman, reportedly wants no kids of her own.
Critics argue his donation spree blurred ethical lines. Advocates for regulated sperm donation said his actions exploited legal loopholes and ignored long-term impacts on the children.
Yet while Nagel insists he acted out of compassion, insiders say his decision to retire may have been less about morality—and more about survival.
His sperm may have made hundreds of lives possible, but now, the man himself faces the biggest question of all: what comes next?
Jaja has a degree in journalism and took classes in international law and business communication. Her career spans roles at prominent international media outlets, including International Business Times, Celebeat and Delightful Philippines. As a news editor, Jaja covered a wide range of beats, including legal, business, economy, cryptocurrency, personal finance, gaming, technology, and entertainment.