• Home
  • Latest
  • Fortune 500
  • Finance
  • Tech
  • Leadership
  • Lifestyle
  • Rankings
  • Multimedia
NewslettersMPW Daily

Exclusive: Sheryl Sandberg’s first chief of staff raises $4 million to build a TurboTax for prenups

By
Emma Hinchliffe
Emma Hinchliffe
and
Nina Ajemian
Nina Ajemian
Down Arrow Button Icon
By
Emma Hinchliffe
Emma Hinchliffe
and
Nina Ajemian
Nina Ajemian
Down Arrow Button Icon
October 24, 2024, 8:59 AM ET
woman smiling for a portrait
Libby Leffler, founder of the online prenup startup First.Courtesy of Libby Leffler

Good morning! Gender plays a key role in the presidential election, the American Stroke Association addresses women’s risks, and millennials and Gen Z are getting prenups. Have a great Thursday.

– I do. Over the past few years, Libby Leffler noticed a handful of trends. Women were outpacing men in earning college degrees; single women owned more homes than single men did; and women were poised to benefit from the upcoming $80 trillion Great Wealth Transfer.

Recommended Video

Taken together, those trends boiled down to a realization: women—including young women—had assets to protect. Leffler—who was Sheryl Sandberg’s first chief of staff at Facebook, where she worked from 2008 to 2015—decided to launch a startup that would make it easier for women to decide their financial future when they get married.

Her company is called First, and right now it allows couples in California to complete prenuptial agreements online. The prenup is becoming less stigmatized—and more common outside the ultra-wealthy demographic that has always relied on them. Leffler sees prenups becoming part of an “essential personal stack,” as routine as getting a mammogram or a joint Costco membership.

The company raised $4 million in a seed round, Fortune is the first to report. The round was led by Expa and Springbank, with participation from Sarah Kunst’s Cleo Capital and Karman Ventures. Kunst, who says she used the platform herself after it went live over the summer, says she invested because the startup fit her thesis of backing “complicated consumer investments—things that are expensive, unfun, and awkward to deal with.” “Everyone has a prenup,” Kunst adds. “Either you write it or the government does.”

Leffler says millennials and Gen Zers are more open to prenups because they “know how painful divorce is.” Forty-seven percent of millennials who are engaged or have been married said they got a prenup, according to a 2023 Harris poll. “If you have parents that have been divorced, you increasingly look to a prenup as basic hygiene,” she says. They see prenups as relevant no matter the size of their assets—or even as a tool to prevent a partner from becoming responsible for taking on the other’s student loan debt. “They’re really about more than money,” Leffler says. “They’re about things that you care about—your baseball card collection, your video game console. It could be about your grandma’s jewelry. It could be about your dog.” Leffler herself got a prenup before she got married in 2016.

First is part of a new generation of startups tackling the changing relationship expectations of millennial and Gen Z couples. Plenty, for example, is building a new app for couples combining finances. And First is far from the only platform to to bring legal proceedings online. Leffler argues her startup stands out because its agreements are not “plug and play,” but are custom and designed for enforceability; the platform connects couples with attorneys. A couple’s first prenup via the platform costs $2,650, with additional charges for add-ons.

Leffler chose the name “First” because a prenup is likely the first legal agreement many couples enter together. She sees potential for the platform to expand first into other states and then into other categories—online divorce is a growing business, too—but won’t say which ones yet.

Emma Hinchliffe
emma.hinchliffe@fortune.com

The Most Powerful Women Daily newsletter is Fortune’s daily briefing for and about the women leading the business world. Today’s edition was curated by Nina Ajemian. Subscribe here.

ALSO IN THE HEADLINES

- Gender gap. Data shows that the voting gender gap has widened, with men increasingly supporting Donald Trump while women stay Democratic. The youngest voters’ preferences have had an impact on the divide—69% of women aged 18 to 29 prefer Vice President Kamala Harris for president versus the 45% of young men that do. New York Times

- Taking the stand. Gisèle Pelicot took the stand at her husband’s trial in France, where he is being tried for drugging and raping her and inviting dozens of other men to do so. Pelicot requested an open trial and that the video footage of the alleged rapes was shown. She said to the court of waiving her anonymity, “I want all women who have been raped to say: Madame Pelicot did it, I can too. I don’t want them to be ashamed any longer.” BBC

- Risk factors. For the first time, the American Stroke Association’s guidelines include women-specific risk factors, including early menopause, combined hormonal contraception, and endometriosis. Prior to the addition of this section, the stroke prevention guidelines had not been updated in a decade. The Hill

- Showing her scars. Kim Kardashian’s Skims launched a campaign during Breast Cancer Awareness Month, with 10% of bra sales from Oct. 23 to Oct. 31 supporting a breast cancer organization. Actor Olivia Munn, who had a double mastectomy when fighting breast cancer, modeled for the campaign and showed her scars. “The way my body looks is just a representation of how hard I fought,” she says. USA Today

MOVERS AND SHAKERS

NEXT Life Sciences, a male contraceptive developer, appointed Darlene Walley as CEO of Plan A. Most recently, she was chief business development officer at Pebble Life Science.

AKAM, a property management company, named Daniela Luchetto senior vice president. She was most recently SVP at Fetner Properties.

Redwood Capital Bank named Stephanie Bye senior vice president, chief risk officer. Most recently, Bye served as SVP, financial crimes at Quontic Bank.

BlockFills, a digital assets technology and trading firm, named Amy Shelly CFO. She was previously CFO at the Options Clearing Corporation.

Fusion92, a marketing firm, appointed Danielle Aldrich as chief client officer. Most recently, she was senior vice president, business development at Organic, part of Omnicom.

The FDA named Michelle Tarver director of its medical device division; she has served as acting director of the Center for Devices and Radiological Health (CDRH) since July. Previously, Tarver was CDRH’s chief transformation officer.

ON MY RADAR

How Florence Welch turned rage into power New York Times

CVS shows women are hired to do impossible jobs Bloomberg

Work wives are going extinct Marie Claire

PARTING WORDS

“I oscillate between two things as a woman: It costs nothing to be nice, and women don’t owe you niceness. Both of those things are true.”

— Bridgerton actor Nicola Coughlan

This is the web version of MPW Daily, a daily newsletter for and about the world’s most powerful women. Sign up to get it delivered free to your inbox.
About the Authors
Emma Hinchliffe
By Emma HinchliffeMost Powerful Women Editor
LinkedIn iconTwitter icon

Emma Hinchliffe is Fortune’s Most Powerful Women editor, overseeing editorial for the longstanding franchise. As a senior writer at Fortune, Emma has covered women in business and gender-lens news across business, politics, and culture. She is the lead author of the Most Powerful Women Daily newsletter (formerly the Broadsheet), Fortune’s daily missive for and about the women leading the business world.

See full bioRight Arrow Button Icon
By Nina AjemianNewsletter Curation Fellow

Nina Ajemian is the newsletter curation fellow at Fortune and works on the Term Sheet and MPW Daily newsletters.

See full bioRight Arrow Button Icon

Latest in Newsletters

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025

Most Popular

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Fortune Secondary Logo
Rankings
  • 100 Best Companies
  • Fortune 500
  • Global 500
  • Fortune 500 Europe
  • Most Powerful Women
  • World's Most Admired Companies
  • See All Rankings
  • Lists Calendar
Sections
  • Finance
  • Fortune Crypto
  • Features
  • Leadership
  • Health
  • Commentary
  • Success
  • Retail
  • Mpw
  • Tech
  • Lifestyle
  • CEO Initiative
  • Asia
  • Politics
  • Conferences
  • Europe
  • Newsletters
  • Personal Finance
  • Environment
  • Magazine
  • Education
Customer Support
  • Frequently Asked Questions
  • Customer Service Portal
  • Privacy Policy
  • Terms Of Use
  • Single Issues For Purchase
  • International Print
Commercial Services
  • Advertising
  • Fortune Brand Studio
  • Fortune Analytics
  • Fortune Conferences
  • Business Development
  • Group Subscriptions
About Us
  • About Us
  • Press Center
  • Work At Fortune
  • Terms And Conditions
  • Site Map
  • About Us
  • Press Center
  • Work At Fortune
  • Terms And Conditions
  • Site Map
  • Facebook icon
  • Twitter icon
  • LinkedIn icon
  • Instagram icon
  • Pinterest icon

Latest in Newsletters

Morning meeting at work.
NewslettersCFO Daily
Companies want battle-tested CFOs. There aren’t enough of them
By Sheryl EstradaMay 14, 2026
3 hours ago
Cisco CEO Chuck Robbins, interviewed by Fortune’s Andrew Nusca, at Fortune Brainstorm Tech 2016 in Aspen, Colo. (Photo: Stuart Isett/Fortune)
NewslettersFortune Tech
Cisco shares soar almost 20% as AI infrastructure orders jump
By Andrew NuscaMay 14, 2026
3 hours ago
Boeing could be the biggest winner on Trump’s trip to China
NewslettersCEO Daily
Boeing could be the biggest winner on Trump’s trip to China
By Diane BradyMay 14, 2026
4 hours ago
How HubSpot got all engineers to use AI without any mandates
NewslettersCIO Intelligence
How HubSpot got all engineers to use AI without any mandates
By John KellMay 13, 2026
22 hours ago
Mrs. Dow Jones on what women get wrong about money
NewslettersMPW Daily
Mrs. Dow Jones on what women get wrong about money
By Sydney LakeMay 13, 2026
1 day ago
Aidan Viggiano, CFO of Twilio
NewslettersCFO Daily
What Twilio’s CFO learned about management from spending nearly 20 years at GE
By Sheryl EstradaMay 13, 2026
1 day ago

Most Popular

The Bezos family just donated $100 million to help achieve one of Mayor Zohran Mamdani’s top campaign promises
Politics
The Bezos family just donated $100 million to help achieve one of Mayor Zohran Mamdani’s top campaign promises
By Jake AngeloMay 12, 2026
2 days ago
Despite having a $165 million net worth, Scarlett Johansson says work-life balance doesn’t exist—and the first step to success is admitting that
Success
Despite having a $165 million net worth, Scarlett Johansson says work-life balance doesn’t exist—and the first step to success is admitting that
By Preston ForeMay 13, 2026
23 hours ago
Nearly 50,000 Lake Tahoe residents have to find a new power source after their energy source looks to redirect lines to data centers
Travel & Leisure
Nearly 50,000 Lake Tahoe residents have to find a new power source after their energy source looks to redirect lines to data centers
By Catherina GioinoMay 12, 2026
2 days ago
It’s not just Canadian tourists snubbing U.S. cities. Business leaders are cancelling more trips to America as geopolitical tensions continue
North America
It’s not just Canadian tourists snubbing U.S. cities. Business leaders are cancelling more trips to America as geopolitical tensions continue
By Sasha RogelbergMay 12, 2026
2 days ago
I spent 8 years building Google Sheets. Now I think apps are on their way out
Commentary
I spent 8 years building Google Sheets. Now I think apps are on their way out
By Zach LloydMay 13, 2026
1 day ago
Anthropic’s Daniela Amodei says entrepreneurs should go on vacation to road test potential cofounders—if they’re a drain, they’re ‘the wrong choice’
Success
Anthropic’s Daniela Amodei says entrepreneurs should go on vacation to road test potential cofounders—if they’re a drain, they’re ‘the wrong choice’
By Emma BurleighMay 12, 2026
2 days ago

© 2026 Fortune Media IP Limited. All Rights Reserved. Use of this site constitutes acceptance of our Terms of Use and Privacy Policy | CA Notice at Collection and Privacy Notice | Do Not Sell/Share My Personal Information
FORTUNE is a trademark of Fortune Media IP Limited, registered in the U.S. and other countries. FORTUNE may receive compensation for some links to products and services on this website. Offers may be subject to change without notice.