She trained in open science. The family foundation she now helps run discloses little about where its money goes.
Most people know Lucinda Southworth, if they know her at all, as the wife of Google cofounder Larry Page. That description leaves out a fair amount. She earned a doctorate at Stanford and published her own genetics research. Before that, she did medical work in South Africa, all years before the 2007 wedding that first put her name in the press.
What she does now is less visible than her marriage. Southworth is the chief financial officer of her family’s charitable foundation, and in 2018 she founded an ocean conservation funder called Oceankind. Both move large sums with little public detail about where the money ends up.
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Who is Lucinda Southworth?
Lucinda Southworth is an American research scientist and philanthropist born around 1979. She holds a doctorate in biomedical informatics from Stanford University, is married to Google cofounder Larry Page, and serves as chief financial officer of the family’s Carl Victor Page Memorial Foundation. In 2018 she founded the marine conservation funder Oceankind.
| Field | Detail |
|---|---|
| Full name | Lucinda “Lucy” Southworth |
| Born | Around 1979, United States |
| Education | University of Pennsylvania (2001), University of Oxford (master’s), Stanford University (doctorate) |
| Field | Biomedical informatics and computational genomics |
| Spouse | Larry Page, cofounder of Google |
| Roles | CFO, Carl Victor Page Memorial Foundation; founder, Oceankind |
| Sister | Carrie Southworth, actress |
Early life and family
Southworth grew up in a family with academic and international careers. Her father, Roy Southworth, was an economist at the World Bank who served as its country director in the Republic of Georgia. Her mother, Cathy McLain, is an educational psychologist and a cofounder of the McLain Association for Children, a nonprofit for children with disabilities in that country. Her older sister, Carrie Southworth, is an actress whose credits include the General Hospital spinoff Night Shift.
Is she really a scientist?
Yes, and the work is on the public record. She earned a bachelor’s degree from the University of Pennsylvania in 2001, a master’s of science from the University of Oxford, and a doctorate in biomedical informatics from Stanford, which she completed around 2009 to 2010.
Her research field was computational genomics, the study of how genes behave using large datasets. In 2009 she was the first author on a paper in the journal PLOS Genetics that found genes which normally switch on and off together begin to fall out of step as mice grow old. She also coauthored a study on a gene tied to tissue growth and cancer. Her published research mostly ends around 2010, when she shifted from doing science to funding it.
How she met Larry Page
Southworth and Larry Page started dating in 2006 and married on December 8, 2007, when she was in her late twenties. The ceremony took place on Necker Island, the private Caribbean island owned by Virgin founder Richard Branson, who served as Page’s best man. News reports at the time said roughly 600 guests were flown in and asked to keep the details private.
That last point is worth flagging, because many later articles list celebrities who supposedly attended. The 2007 coverage said the guest list was kept secret, which makes those names guesswork rather than confirmed fact.
The couple have two children, reportedly born in 2009 and 2011. They have never released the children’s names.
Her role at the Carl Victor Page Memorial Foundation
The clearest record of what Southworth does today sits in tax filings. She is a director and the chief financial officer of the Carl Victor Page Memorial Foundation, the family’s main charitable vehicle, named after Larry Page’s late father, a computer science professor.
The foundation is large. It reported more than $1 billion in revenue in 2021 and held assets of about $6.7 billion that year. In 2014 it gave $15 million toward the Ebola response in West Africa, alongside a separate $10 million from Google.
Most of its other giving is hard to trace. According to its filings, the foundation sent about 99.9 percent of its grants between 2012 and 2022, worth more than $1.2 billion, into donor advised funds. These funds are legal and common among wealthy donors, and they let a giver claim a tax deduction now and decide on the final recipients later. They also disclose little about where the money ends up, which is why the path of the foundation’s grants is difficult to follow.
Oceankind, the ocean charity she founded
In 2018, Southworth started her own grantmaking organization, Oceankind. It funds ocean science, conservation, and policy, with grants aimed at problems like overfishing, habitat loss, and pollution.
Oceankind grew into one of the field’s larger funders within a few years. By one industry tally, it ranked second only to the Packard Foundation among marine philanthropy funders in 2022, and it has given out more than $120 million in grants. Like the family foundation, it keeps a modest public profile and does not take unsolicited proposals.
What is Lucinda Southworth’s net worth?
There is no separate, verified net worth for Southworth, because the wealth is reported under Larry Page. As of 2026, Page is worth roughly $281 billion, which puts him among the richest people in the world, after shares of his company Alphabet climbed on investor interest in artificial intelligence. The foundation she helps run holds billions more. Specific personal net worth figures for her that circulate online are not backed by any public filing.
Where she is now
Southworth keeps an unusually low public profile for someone connected to so much money. She rarely gives interviews and is not quoted in coverage of the foundation or Oceankind. During the pandemic, the family reportedly spent long stretches in Fiji, and in early 2021 Page reportedly entered New Zealand on a medical flight for treatment for one of their children.
Her early career rested on a basic rule of science, that a result means little until others can test it. The work she does now runs the other way, with much of the family’s giving flowing through funds that never have to name a recipient. That contrast, between a scientist trained to show her work and an executive who now moves money the public cannot trace, is the part most profiles leave out.

