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We talked to head of health Nate Gross about where the AI giant is going Read in browser
Endpoints News
Thursday, 23 April 2026
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Godmothering
Esther Wojcicki wants to help healthcare startup co-founders get along. 
That might seem simple, but co-founder disagreements are a big contributor to startups falling apart, she said. She’s got the track record for it: Her nickname is the "Godmother of Silicon Valley," and she had an early inside look at Google. 
"If we can help the young, very smart young people that come up with these brilliant ideas, we can change the system, and that's what we need," Wojcicki told me, referring to the healthcare system. "We need innovation from people that are not, so to speak, corrupted by the old system."
Wojcicki is part of a group of Silicon Valley veterans who are launching a new residency program to support budding healthcare startups. 
The Stanford-connected program, called Treehub, aims to work with startups really early on — even before they’re formally companies. The group includes Wojcicki (the mother of Anne, 23andMe founder, the late Susan, former CEO of YouTube, and Janet, a professor at UCSF), plus investor Tim Draper and Stanford professors. 
Mary Minno, Treehub’s founding partner and ex-Googler, said the plan is to invest $10 million over 18 months in cohorts of companies across AI and healthcare. So far, Treehub has worked with companies such home health startup Nestwell, dermatology startup Precision Radiance and an unnamed noninvasive brain computer interface company.
"What we care about is what Esther has done her whole career, which is finding exceptional talent early, and then supporting them in an outsized way so that they can take flight faster," Minno said. "If we think it can better the healthcare system, and we think we can help them, then we're interested in it," she added. 
- Lydia
Here’s what’s new
OpenAI's head of health lays out the AI giant’s healthcare ambitions
OpenAI is launching ChatGPT for Clinicians, a free tool for doctors, nurse practitioners, physician assistants and pharmacists.

OpenAI head of health Nate Gross told Endpoints News this version of ChatGPT is about making sure clinicians who don’t have the tool available through their organization can have access.
Exclusive: Gravity Rail raises $2.75M for customizable AI to communicate with patients
A start­up that uses AI to help health­care providers han­dle calls, texts and fol­low-ups with pa­tients has raised seed fund­ing, Endponts learned ex­clu­sive­ly.
UnitedHealth breaks down how it plans to spend $1.5B on AI
Unit­ed­Health Group said Tues­day it’s on track to in­vest $1.5 bil­lion in AI this year, both to im­prove its own op­er­a­tions and pro­vide prod­ucts to oth­er in­sur­ers and health­care providers.
Quote of the week
“A lot of the work that we're doing is much broader and has a real, practical focus of the work around being a healthcare professional. It's a lot more than just knowledge questions."
OpenAI Head of Health Nate Gross on the products the AI giant is building in healthcare
This week in health Тech
The American Medical Association on Wednesday sent letters to federal lawmakers asking them to establish safeguards for AI mental health chatbots. Specifically, the AMA wants to bar chatbots from diagnosing and treating mental health conditions without regulatory review, require chatbots disclose that users aren’t interacting with humans, and mandate safety monitoring and reporting.
Hims added Eli Lilly's GLP-1s, including the newly approved Foundayo pill, to its platform. Hims' stock rose about 6% in pre-market trading on the news. 
General Catalyst’s flagship health tech startup Commure is being sued… again. The lawsuit, filed by Adaptamed, claims Commure got account details from a partner to log into Adaptamed’s platform to study its software and build a competing product. You might remember that back in 2024, Canopy accused Commure of exploiting a partnership between the two to access confidential product information and build a rival offering. (The two have since made up.)
Amazon launched a weight management program offering GLP-1s and virtual care services through its primary care business One Medical.
Amperos Health raised $16 million to use AI to automatically handle and recover denied insurance claims for healthcare providers. The Series A was led by Bessemer Venture Partners, Uncork Capital and Neo.
Courier Health raised $50 million to help life sciences companies identify, manage and track patients who were prescribed their treatments. Oak HC/FT led the Series B.
LillyDirect is working with virtual neurology clinic NeuraHealth as the pharmaceutical giant's platform expands into migraine care.
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