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Matt Rogers went from Apple to Nest Labs and into many homes with the now-Google smart thermostat. He’s looking to get into your home again, this time to solve America’s food waste problem.

Chewie Labs

Matt Rogers has always liked to look at areas that are overlooked. 

Before he left Apple to start smart device company Nest Labs in 2010, for instance, no one thought twice about their home thermostat and took its technology for granted. Nest’s smart thermostat, which allows users to control their home’s heating from an app on their phone, ended up pioneering the way for the smart home revolution and changing the way people think about their energy use.

After Nest, Rogers began work on several philanthropic projects, many focusing on climate-related initiatives. In addition to co-founding Incite.org, he served as Chairman of Carbon180, an NGO focused on reducing carbon emissions, until September 2022, and he’s currently chairman of Advanced Energy Economy. 

What stuck out to Rogers through his environmental work was how much food is thrown away each year. With more than one-third of food in the United States being wasted and food being the single most abundant material found in landfills, Rogers felt there had to be a better way to prevent so much food from being thrown in the garbage.

“Waste is one of these areas that we’ve kind of taken for granted but doesn’t have to exist,” Rogers said. “It’s super important in the climate fight, people need to realize how bad it is that we throw food in the trash and it becomes methane in landfills.”

That’s how Rogers — along with Harry Tannenbaum, who Rogers worked with at Nest — came up with the idea for Mill, his latest venture that launched Tuesday focused on creating sustainable technology to help combat food waste.

Mill users put their food waste — including meat and dairy, items that aren’t normally able to be composted — into a new kitchen bin that dehydrates the food overnight, turning it into an odorless, coffee ground-like material the company calls food grounds. Once the bin fills up, which Rogers says takes about three weeks on average, its contents can be packaged up and sent back to Mill via mail. The company then repurposes the grounds into an ingredient for chicken feed and sends it to farms.

The start-up charges users a $33 monthly subscription fee to recycle their food scraps. It’s a system he hopes may help eliminate food waste from the American home.

“We’ve kind of gotten used to the way things are, but it doesn’t have to be that way,” Rogers said. “So when you come at it with fresh eyes, you actually end up building an entirely new system.”

During his time at Nest, Rogers said he found that systems need to be significantly easier to use and create a better overall user experience if people are going to change their daily habits. Nest made it easy for individuals to control the climate of their home from their smartphones. Mill now makes it easy for people to get rid of food waste and reduce their carbon footprint. It eliminates smelly food scraps going in the trash bin with minimal steps; it offers an alternative to composting, which often attracts fruit flies and requires more maintenance than Mill’s system. 

The bin can automatically dehydrate the waste every night, or users can program the bin to begin the dehydration process at times that best fit with their schedules. This is another lesson Rogers said he learned from Nest: while some people like to have their systems operate automatically, others like to have control.

Mill also includes some smart technology. An optional app lets users monitor their food waste from their phones and see how much they are putting into their bins. Rogers said making users aware of their waste habits — similar to how Nest makes them aware of their energy consumption habits — may help change purchasing behaviors over time, enabling them to save some money at the grocery store on food they don’t need to buy.

“If we start to think about things differently, actually, this is where individual actions can drive systemic change,” Rogers said. “That’s a really big deal.”

Ultimately, Rogers envisions Mill having the potential to reach beyond the household kitchen, to cities which have zero waste goals. 

“We’re in this for large-scale impact,” Rogers said. “We want to build a big business that also is good for the planet, and we want this to be for everyone.”

CNBC is now accepting nominations for the 2023 Disruptor 50 list – our 11th annual look at the most innovative venture-backed companies. Learn more about eligibility and how to submit an application by Friday, Feb. 17.

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OpenAI announces new mentorship program for budding tech founders

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OpenAI announces new mentorship program for budding tech founders

Dado Ruvic | Reuters

OpenAI on Friday introduced a new program, dubbed the “OpenAI Grove,” for early tech entrepreneurs looking to build with artificial intelligence, and applications are already open.

Unlike OpenAI’s Pioneer Program, which launched in April, Grove is aimed towards individuals at the very nascent phases of their company development, from the pre-idea to pre-seed stage.

For five weeks, participants will receive mentoring from OpenAI technical leaders, early access to new tools and models, and in-person workshops, located in the company’s San Francisco headquarters.

Roughly 15 members will join Grove’s first cohort, which will run from Oct. 20 to Nov. 21, 2025. Applicants will have until Sept. 24 to submit an entry form.

CNBC has reached out to OpenAI for comment on the program.

Following the program, Grove participants will be able to continue working internally with the ChatGPT maker, which was recent valued $500 billion.

Other industry rivals have also already launched their own AI accelerator programs, including the Google for Startups Cloud AI Accelerator last winter. Earlier this April, Microsoft for Startups partnered with PearlX, a cohort accelerator program for pre-seed companies.

Nurturing these budding AI companies is just a small chip in the recent massive investments into AI firms, which ate up an impressive 71% of U.S. venture funding in 2025, up from 45% last year, according to an analysis from J.P. Morgan.

AI startups raised $104.3 billion in the U.S. in the first half of this year, and currently over 1,300 AI startups have valuations of over $100 million, according to CB Insights.

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Benioff says he’s ‘inspired’ by Palantir, but takes another jab at its prices

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Benioff says he's 'inspired' by Palantir, but takes another jab at its prices

Salesforce CEO Marc Benioff on what the market is getting wrong about AI

Marc Benioff is keeping an eye on Palantir.

The co-founder and CEO of sales and customer service management software company Salesforce is well aware that investors are betting big on Palantir, which offers data management software to businesses and government agencies.

“Oh my gosh. I am so inspired by that company,” Benioff told CNBC’s Morgan Brennan in a Tuesday interview at Goldman Sachs‘ Communacopia+Technology conference in San Francisco. “I mean, not just because they have 100 times, you know, multiple on their revenue, which I would love to have that too. Maybe it’ll have 1000 times on their revenue soon.”

Salesforce, a component of the Dow Jones Industrial Average, remains 10 times larger than Palantir by revenue, with over $10 billion in revenue during the latest quarter. But Palantir is growing 48%, compared with 10% for Salesforce.

Benioff added that Palantir’s prices are “the most expensive enterprise software I’ve ever seen.”

“Maybe I’m not charging enough,” he said.

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It wasn’t Benioff’s first time talking about Palantir. Last week, Benioff referenced Palantir’s “extraordinary” prices in an interview with CNBC’s Jim Cramer, saying Salesforce offers a “very competitive product at a much lower cost.”

The next day, TBPN podcast hosts John Coogan and Jordi Hays asked for a response from Alex Karp, Palantir’s co-founder and CEO.

“We are very focused on value creation, and we ask to be modestly compensated for that value,” Karp said.

The companies sometimes compete for government deals, and Benioff touted a recent win over Palantir for a U.S. Army contract.

Palantir started in 2003, four years after Salesforce. But while Salesforce went public in 2004, Palantir arrived on the New York Stock Exchange in 2020.

Palantir’s market capitalization stands at $406 billion, while Salesforce is worth $231 billion. And as one of the most frequently traded stocks on Robinhood, Palantir is popular with retail investors.

Salesforce shares are down 27% this year, the worst performance in large-cap tech.

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Salesforce and Palantir year to date stock chart.

We're seeing an incredible transformation in enterprise, says Salesforce CEO Marc Benioff

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Gemini, the Winklevoss’ crypto exchange, pops more than 40% in Nasdaq debut

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Gemini, the Winklevoss' crypto exchange, pops more than 40% in Nasdaq debut

Gemini Co-founders Tyler Winklevoss and Cameron Winklevoss attend the company’s IPO at the Nasdaq MarketSite in New York City, U.S., Sept. 12, 2025.

Jeenah Moon | Reuters

Shares of Gemini Space Station soared more than 40% on Thursday after the exchange operator raised $425 million in an initial public offering.

The stock opened at $37.01 on the Nasdaq after its IPO priced at $28. At one point, shares traded as high as $40.71.

The New York-based company priced its IPO late Thursday above this week’s expected range of $24 to $26, and an initial range of between $17 and $19. That valued the company at some $3.3 billion before trading began.

Gemini, which primarily operates as a cryptocurrency exchange, was founded by the Winklevoss brothers in 2014 and held more than $21 billion of assets on its platform as of the end of July. Per its registration with the Securities and Exchange Commission, Gemini posted a net loss of $159 million in 2024, and in the first half of this year, it lost $283 million.

The company also offers a U.S. dollar-backed stablecoin, credit cards with a crypto-back rewards program and a custody service for institutions.

Gemini co-founders Tyler & Cameron Winklevoss: Bitcoin is gold 2.0, can easily go 10x from here

The Winklevoss brothers were among the earliest bitcoin investors and first bitcoin billionaires. They have long held that bitcoin is a superior store of value than gold. On Friday morning, they told CNBC’s “Squawk Box” they see its price reaching $1 million a decade from now.

In 2013, they were the first to apply to launch a bitcoin exchange-traded fund, more than 10 years before the first bitcoin ETFs would eventually be approved. The Securities and Exchange Commission’s rejection of the application, which cited risk of fraud and market manipulation, set the stage for the bitcoin ETF debate in the years to come.

Even in the early days, when bitcoin was notorious for its extreme volatility and anti-establishment roots and shunned by Wall Street, the Winklevoss brothers were outspoken about the need for smart regulation that would establish rules for the crypto-led financial revolution.

Don’t miss these cryptocurrency insights from CNBC Pro:

(Learn the best 2026 strategies from inside the NYSE with Josh Brown and others at CNBC PRO Live. Tickets and info here.)

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