She interned for Bill Clinton during his presidency[6] and went on to work as a corporate lawyer.[7]
Weinstein and Kelly Sawyer Patricof are the Co-CEOS of the Los-Angeles nonprofit Baby2Baby. The nonprofit was founded in 2011,[8] and provides a "wide range of necessities" for families with newborns. It gained attention for producing diapers for 80% cheaper than the retail price.[9]
The nonprofit worked with the New York governor's office to distribute 20 million diapers at food banks in the state.[10] Its "disaster relief and emergency response program" allows it to distribute necessities to families in the U.S. who are impacted by natural disasters;[9] in the aftermath of Hurricane Harvey in 2017, Baby2Baby sent 1.1 million items to Texas.[11]
In 2020, Baby2Baby worked with FEMA to distribute baby formula, which was undergoing a shortage in response to the COVID-19 pandemic.[12] They were recognized as one of the 10 most innovative nonprofits by Fast Company[13] and made Fast Company's World-Changing Idea List.[14]
She was involved in eliminating the tax on diapers in California, working with Governor Gavin Newsom.[15] Weinstein said, "I think when people are paying $70 to $80 per month per baby on diapers, and when they are the fourth highest expenditure after food and rent and utilities, it’s not small."[16]
Patricof and Weinstein host a yearly gala which has raised millions for their non-profit.[7]
She resides in Los Angeles, California, with her husband Brian and their two children.[22] She met Brian in law school. They became engaged in 2002 and got married 10 months later.[23] She met Patricof on a "double blind date" with their husbands.[24]