Max Brenner

The tell that Max Brenner is running a real company is that he can describe what it does in one flat sentence. WithCoverage is an AI-enabled risk management and insurance platform. It looks at your business, ranks your coverage, tells you what you're overpaying for, then hands the file to insurance attorneys who write the policy. The traditional broker, who historically clipped a hidden commission for reading the same PDF you were reading, is not invited.

This is, mechanically, an unglamorous thing to do. Commercial insurance is a business of email attachments and phone calls and quiet renewals. It is also enormous. Brenner and his co-founder JD Ross, the Opendoor co-founder who took the lunch that started this whole thing, decided in early 2023 that the enormous unglamorous thing was worth attacking. Three years later they have 700 customers and $42 million from Sequoia Capital and Khosla Ventures, announced in January 2026, plus a stated ambition to replace traditional brokers wholesale. Keith Rabois, who co-founded Opendoor with Ross, led the round for Sequoia. Nobody was shocked.

Brenner's diagnosis of the industry, in his own words, is that it is "a backwards and misaligned insurance industry where businesses consistently get overcharged, are mis-covered, and left with a poor and opaque experience." Which is the sort of sentence founders say a lot. What matters is that WithCoverage's clients keep repeating it back in the form of testimonials that say the team will actually save you money on insurance, a phrase that should not, in a functioning market, be surprising, but is.

The company's product is best understood as two things stapled together. The first is an AI audit engine that ingests a business's policies and operations and produces, on the first client call, a line-by-line breakdown of where the coverage is thin, where the coverage is redundant, and where the number in the corner is wrong. The second is a team of humans, insurance experts and attorneys, who take that output and negotiate the actual policy. Brenner's point, which he has made many times, is that the audit-plus-experts pairing has historically been reserved for the world's largest companies. His pitch is that the mid-market should get it too. His pitch, notably, works.

Brenner's route here is short and instructive. Bain and Company, associate consultant, the standard entry ticket. Then Compound, the wealth management platform, where he was on the founding team and helped scale to the first billion dollars in assets under management. That experience, he has said, is what convinced him that legacy advisory businesses stagnate for reasons software can fix. He left when he was ready to build one himself. A mutual friend introduced him to Ross over lunch. They knew immediately. That is the whole origin story. Founders tend to overdramatize their origin stories. Brenner does not.

He is thirty-something, runs for exercise, recently traveled to Japan and found the culture, in his phrasing, compelling. His favorite piece of software is Whispr, the voice-to-text app, which is a small tell about how he thinks: transcribe first, edit later, keep the pen moving. His stated founder philosophy is "relentlessness, while maintaining your kindness," a formulation you have to sit with for a second because it is a real answer to a real tension. Most CEOs pick one. Brenner claims both. His clients keep writing testimonials that suggest he means it.

The product Brenner sounds most animated about is something WithCoverage calls the Claims Operating System, which pairs insurance attorneys with a management platform to identify recurring issues and put proactive protections in place. Insurance claims are, historically, where the industry's misalignment shows up most acutely, because the moment you file one, everybody in the chain is incentivized to resolve it in a way that is not your resolution. A software layer that sits on top of the claims process and represents you, specifically, is a small revolution. It is also the kind of thing lawyers, on paper, hate. WithCoverage employs the lawyers. Awkward.

What WithCoverage is really selling, if you strip out the AI language and the platform language and the operating-system language, is the idea that a professional service should feel professional. That when you buy commercial insurance you should be told what you are buying, in a document you can read, from people who make money in ways you can see. Brenner and Ross keep saying that comprehensive risk audits shouldn't be reserved for the world's biggest companies. Which is, again, a founder-y sort of sentence. But it is also the thing they are actually doing. The seven hundred customers are the receipt.

The valuation on the Series B has not been publicly disclosed. The company is headquartered on East 21st Street in the Flatiron, hires product engineers and insurance lawyers with equal appetite, and appears to be spending its capital on the boring stuff: better underwriting data, deeper attorney bench, more customer-facing engineers. This is not a company burning money on a growth arc. It is a company that quietly figured out that in insurance, the number that matters is renewal, and if you save your customer thirty percent this year and prove it, they renew and they refer, and the compounding takes care of itself.

Brenner's aspirations, when asked directly, are two: to become a great father and husband, and to build things that make people happy. The second one, in the specific case of commercial insurance, is a low bar he has cleared many times. The first one is not up to us.