280 Episoden
OpenAI Chief Economist Ronnie Chatterji: measuring the greatest technology of our time
28.07.2026 | 56 Min.Ronnie Chatterji is the Chief Economist at OpenAI, where he leads research on how AI reshapes growth, jobs, and the economy. He is also an economics professor at Duke. He was previously the White House CHIPS coordinator implementing the $52B CHIPS Act, and before that the chief economist at the US Department of Commerce.
In this episode of Summation, Ronnie and Auren discuss:
The three things people actually do with ChatGPT
The 10x jump in people handing their work to AI
Why the next big leap in AI is adoption and not capability
The case that AI could cause a population boom
You can find Auren Hoffman on X at @auren and Ronnie Chatterji on X at @RonnieChatterji- Felix Rieseberg leads engineering for Claude Cowork and Claude Code Desktop at Anthropic. Before that he led desktop and web infrastructure at Notion and built software at Stripe, Slack, and Microsoft.
In this episode of Summation, Felix and Auren discuss:
The next AI step function: going from solving a problem to owning a responsibility
Why AI will win many Nobel prizes before it wins a single Pulitzer
Bringing AI into the physical world, from a $30 coffee-machine display to a Wi-Fi garage opener
Why "here's what your team can learn from the Navy SEALs" is bad management advice
You can find Auren Hoffman on X at @auren and Felix Rieseberg on X at @felixrieseberg Fifth Wall CEO Brendan Wallace: the data center land grab and the most stable asset on earth you still can't buy
14.07.2026 | 53 Min.Brendan Wallace is the Founder, CEO & CIO of Fifth Wall, the largest investment firm focused on technology for the built environment, with ~$3B in capital, the firm is driving the growth of nearly 170 companies, backing category-defining PropTech leaders such as Opendoor, Procore, Blend, Hippo, and Bilt Rewards. It's supported by ~115 of the world's largest real estate owner-operators including CBRE, Hilton, Hines, Marriott, Public Storage, Related, and Starwood. Before Fifth Wall, Brendan was at Goldman Sachs and Blackstone, and he co-founded Identified (sold to Workday) and Cabify.
In this episode of Summation, Brendan and Auren discuss:
How remote work protected mediocrity for years
The data center land grab: powered land, 2037 grid connections, and bring-your-own-solar
How land is the most stable asset on earth and there's still no way to buy an index of it
Why "capital-intensive businesses are bad for venture" is no longer true
You can find Auren Hoffman on X at @auren and Brendan Wallace on X at @BrendanFWallaceStriveworks CEO Jim Rebesco on drone swarms, AI for warfighters, and the end of air superiority
07.07.2026 | 1 Std.Jim Rebesco is the co-founder and CEO of Striveworks, an AI ops company deployed across the US Army, Navy, and combatant commands. In April, Striveworks announced a $70M enterprise agreement with the Pentagon, giving nearly a million defense personnel access to its platform. Jim was previously a partner at Virtu Financial, a pioneering high-frequency trading firm.
In this episode of Summation, Jim and Auren discuss:
why the real question in AI warfare is who pushes the button
the case that autonomy favors big nation states, not insurgents
why it costs $200,000 to procure anything in the Pentagon
what high-frequency trading and war have in common
You can find Auren Hoffman on X at @auren and Jim Rebesco on LinkedIn- Carson Block is the founder of Muddy Waters Research, one of the defining activist short-selling firms of the last decade and a half. Since 2010, Muddy Waters has published forensic research exposing accounting fraud at publicly traded companies across China, Europe, and the US and has been right enough times that 11 companies have been delisted as a result.
In this episode of Summation, Carson and Auren discuss:
why outright fraud is only 20-25% of Muddy Waters' focus
the Wirecard saga
why high-trust countries like Germany are a paradise for criminals
how the thing that killed Enron is still completely legal
You can find Auren Hoffman on X at @auren and Carson Block on LinkedIn and on X @muddywatersre
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Über Summation with Auren Hoffman
Non-obvious ideas that move the world. Auren Hoffman hosts leaders across tech, business, markets, and government. Summation is the permanent home for the relentlessly curious. Auren is CEO of NQB8, GP at Flex Capital, Chairman of Dialog; former CEO of SafeGraph and LiveRamp (NYSE: RAMP).
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Summation with Auren Hoffman
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