Overview
Cobi Blumenfeld-Gantz is CEO and Co-Founder of Chapter[1], a technology-enabled Medicare and retirement navigation platform[1]. Blumenfeld-Gantz maintains a professional presence on LinkedIn[2] and X[4], where the account handle is @CobiBGantz[4].
Career history
Insights & ideas
The through-line
Across every appearance, Cobi Blumenfeld-Gantz returns to a single origin point: watching his own parents struggle with Medicare's paperwork, phone calls, and bureaucracy convinced him that no adequate solution existed, and that gap became the reason for founding Chapter in 2020 [5]. From that personal starting point, the material shows a consistent expansion outward, from the individual senior's confusion, to the structural incentives and fraud built into the Medicare system, to the case for technology and AI as the mechanism that can fix both [1][4][6][7]. The throughline is less a single argument than a widening frame: what began as a family problem is presented, appearance after appearance, as a national-scale systems problem that Chapter is positioned to address [3][4][5].
On the origin story
The recurring account is that his parents' experience navigating Medicare, including faxes, phone calls, and a trip to the Social Security office, revealed that no one had built a better way to help seniors through the process, which led him to co-found Chapter in 2020 [5]. This personal narrative is framed as the foundation for the company's mission of connecting seniors to the right coverage [5].
On Medicare's complexity
Several conversations center on how confusing the Medicare landscape is for seniors trying to choose coverage, and on Chapter's role in helping them navigate it [1]. The system is described in these appearances as one of the country's most complicated, and Chapter's platform is positioned as a way of making Medicare simple for the people who have to deal with it [7]. The same complexity is characterized elsewhere as a "convoluted morass" that new American seniors in particular have to work through [6].
On independence and unbiased advice
A consistent positioning point is that Chapter offers independent advisors who help seniors find the right Medicare plan, distinguishing the company from options that may be influenced by carrier incentives [1]. Related appearances emphasize that the help Chapter provides is free and unbiased, offered directly to seniors trying to make sense of their options [2].
On fraud, waste and abuse in Medicare
Beyond individual navigation, the material shows him addressing the structural side of the system, discussing what "waste, fraud, and abuse" in Medicare and Medicaid actually look like in practice rather than as an abstract talking point [6]. This is paired with a discussion of Medicare fraud as a large-scale problem facing the system, discussed alongside how technology can address it [4].
On technology and AI as the fix
Chapter is described in these appearances as an AI-powered Medicare navigation platform, and the conversations frame technology as the lever for solving both the complexity seniors face and the fraud embedded in the broader system [4]. This technology-driven framing runs alongside the more advisor-centric positioning of the company, with the platform described as simplifying enrollment and plan selection for seniors [1][7].
On building and scaling Chapter
The material also touches on the company's construction and backing: Chapter was cofounded with Vivek Ramaswamy, and the company is backed by investors including Narya Capital, Generation (Al Gore), and XYZ Capital [3]. Its scale is referenced with different valuation framings across appearances, described at one point as an AI-powered platform valued at $1.5 billion [4], and elsewhere characterized as a $3 billion retirement company [3][5].
Takeaways
- Chapter's founding story traces directly to his parents' difficulty navigating Medicare's faxes, calls, and in-person bureaucracy [5].
- Chapter positions its advisors as independent and its help as free and unbiased for seniors choosing Medicare coverage [1][2].
- He frames Medicare's problems at two levels: individual confusion for seniors and systemic waste, fraud, and abuse [1][6].
- Medicare fraud is treated as a major, discussable problem rather than background noise, with technology proposed as part of the fix [4].
- Chapter is described as an AI-powered navigation platform, reflecting a technology-first framing of the company's approach [4].
- The company's backing and scale are referenced across appearances, including investors Narya Capital, Generation (Al Gore), and XYZ Capital, and valuations described variously as $1.5 billion and $3 billion [3][4][5].
Media & appearances
- Stephanie Miller's Happy Hour PodcastApple PodcastsIs Chapter the best option for Medicare? | Co-Founder of Chapter, Cobi Blumenfeld-Gantz, chimes in with Stephanie Miller.Stephanie Miller welcomes the rock star of Medicare advising, Cobi Blumenfeld-Gantz, co-founder and CEO of Chapter. Join them as they navigate the often confusing Medicare landscape, discussing how Chapter's independent advisors help seniors find the ri
- The Dr. Laura PodcastApple PodcastsWhat's Your Backstory?: Chapter's Cobi Blumenfeld-GantzCobi Blumenfeld-Gantz, co-founder and CEO of Chapter, joins Dr. Laura for her fourth episode of "What's Your Backstory?" For free and unbiased Medicare help, call (347) 269-1868 to connect with an advisor or go to https://askchapter.org/drlaura. Visit o
- The Upstarts PodcastApple PodcastsChapter's Cobi Blumenfeld-Gantz: From Palantir To $3B Medicare DisruptorWhen Cobi Blumenfeld-Gantz's parents struggled to navigate Medicare—faxes, phone calls, even a trip to the Social Security office—he figured someone had built a better way. Nobody had. So, in 2020, he co-founded Chapter: a startup focused on conne
- We The BuildersApple PodcastsIn Conversation with Cobi Blumenfeld-Gantz, Cofounder & CEO of Chapter ($3B retirement company)Intro Cobi Blumenfeld-Gantz cofounded Chapter with Vivek Ramaswamy. This is his second appearance on the show and is a special format we recorded at the Hill & Valley Forum. The company is backed by Narya Capital, Generation (Al Gore), XYZ Capital, Addi
- Summation (formerly World of DaaS)Apple PodcastsChapter CEO Cobi Blumenfeld-Gantz - medicare complexity, $100B fraud and how tech can fix itCobi Blumenfeld-Gantz is the co-founder and CEO of Chapter, an AI-powered Medicare navigation platform valued at $1.5 billion that helps seniors navigate coverage and enrollment. In this episode of World of DaaS, Cobi and Auren discuss: Why medicare fra
- The Don Lemon ShowApple PodcastsLEMON DROP | Making Medicare Simple with Chapter CEO Cobi Blumenfeld-GantzDon sits down with Cobi Blumenfeld-Gantz, Co-Founder and CEO of Chapter, a company dedicated to helping Americans make sense of one of the country's most complicated systems...Medicare. They discuss how Chapter's innovative platform is simplifying the p
- The Charlie Kirk ShowApple PodcastsBreaking the Medicare CartelYou've heard the line about "waste, fraud, and abuse" in Medicare and Medicaid. But what does that actually look like? Cobi Blumenfeld-Gantz has created Chapter, a company that helps new American seniors navigate the convoluted morass that America's hea
- TBPNApple PodcastsJassy's Shareholder Letter, The Next AI Capability, 𝕏 Timeline Reactions | Saagar Enjeti, Joe Weisenthal, Kesava Kirupa Dinakaran, Brian Manning, Cobi Blumenfeld-Gantz, Changpeng Zhao, Tal Hoffman
In the news
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