Episode summary
Stories from building Blackstone, Airbnb, and private markets with Laurence Tosi of WestCap
Alt Goes Mainstream
· · Hosts: Michael Sidgmore · Guests: Laurence Tosi
Summary
Laurence Tosi argues that the core lesson from Merrill Lynch, Blackstone, Airbnb, and WestCap is that great businesses start with a product that solves a real problem for multiple stakeholders. He traces a consistent pattern in his career: identify market inefficiencies, connect buyers and sellers, and build the infrastructure that lets a marketplace scale. At Merrill, that meant democratizing access to capital markets; at Blackstone, it meant rethinking how alternative products could reach the wealth channel; at Airbnb, it meant making a complex booking process feel simple and safe.
A major theme is that Blackstone’s growth into the wealth channel was not about selling directly to end investors, but about educating financial advisers and adapting products and infrastructure for them. Tosi says Blackstone realized that scale only works when it creates more skill and more value, not just more assets. He also emphasizes that alternatives remain operationally fragmented, with manual reporting, poor transparency, and underbuilt technology. In his view, the next phase of the industry will come from standardized shared platforms, better client data, and more consumer-grade user experience. WestCap, he says, is built to back that transformation.
Key takeaways
- Tosi says Blackstone won in retail by selling to financial advisers first, not to end investors, and by educating the top advisers at firms like Merrill Lynch and UBS.
- He argues scale works in alternatives only when it creates more operating skill and better returns, not just more AUM.
- Tosi says the alternatives industry is still underinvested in technology, with manual reporting, poor transparency, and fragmented client servicing.
- He believes shared infrastructure for alternatives will emerge, just as Tradeweb and Ipreo did in other parts of markets.
- Tosi says Airbnb taught him that simple product design and customer experience can transform even a complex financial workflow.
Notable quotes
“we're not actually selling to the end investor we're selling to the financial adviser who understands the context of the individual investor's life and wealth and exposures”
“scale begets skill and the more skill you can put against creating value the more you can justify the scale”
“the magic of it is that it's across all firms and therefore each firm that puts a product on it benefits the other firms”
“The unlock here, to use your word, which I think is the right one, is that alternative asset managers”
“I look at Airbnb as simple. Those words will merge and we're going to do it”
How the episode opens
The room where it happens. No one really knows how the game is played, the art of the trade, how the sausage gets made. We just assume that it happens, but no one else is in the room where it happens.
When you got skin in the game, you stay in the game, but you don't get a win unless you play in the game. These excerpts were in a song by Leslie ODM Jr. and Lin Manuel Miranda from Hamilton.
But they could have also been applied to the conversation Lawrence Tossy of Westcap and I had today. Welcome back to the Alco Mainstream podcast. We're going to eat all my family.
See you on Main Street. We're going mainream from Wall Street to Melrose Avenue. We're going mainream.
Venture capitalists to athletes to creators to the person who has collected trading cards. We're going to collision of culture and finance. Today's show is with someone who has been in the room where it happens.
Stories and perspectives shared today were from someone who has helped turn bill into law in private markets. Lawrence Tossi has been part of building foundational technology businesses and companies in capital markets and private markets from founding investing and operating industry-changing companies such as Iprio ILE TMC bonds the markets.com trade web and archipelago as an executive at Meil Lynch where he served as finance director and then COO of global investment banking and trading to being part of the senior management team at Blackstone from 2008 to 2015 as the CFO management and risk committee member head of tech innovations fund and Blackstone Treasury Solutions Fund to first investing in and then building and scaling Airbnb as CFO and head of payments, customer experience, and corporate development. At Meil Lynch and Blackstone, LT deployed over $500 million of capital, returning over $1.6 billion without ever taking a loss.
From the episode’s captions: roughly the first two minutes, lightly cleaned. Keep watching on YouTube →
Topics
- blackstone stories
- private markets infrastructure
- wealth channel
- operating equity vs venture vs private equity
- customer experience and product simplification
Companies and tickers mentioned
- BX
- ABNB
- BAC
- TW
- Blackstone
- Airbnb
- Merrill Lynch
- WestCap
- Tradeweb
- Ipreo
- iLevel
- TMC Bonds
- iCapital
- Addepar
- SIMON
- GoodLeap
- Sharegain
- Klarna
- Paxos
- AccessFintech
- Treasury4
- Hopper
- Avenue One
- StubHub
Watch the episode
Summary, takeaways and quote selection by Octagon. Quotes are short excerpts; the full conversation is in the episode.
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Blue Owl's Sean Connor - a growth company in a growth industry investing in megatrends -
Alts Pulse #18: The Global Boom in Alternative Investments w/ iCapital CEO, Lawrence Calcano -
Building a software investing powerhouse in the age of AI with Vista's David Breach -
ING - How to build a private markets platform within a European bank. -
Live! Armen Panossian, co-CEO of Oaktree at Brookfield Oaktree Wealth Solutions RIA Council Meeting
Alt Goes Mainstream, this episode and its artwork belong to Michael Sidgmore. Octagon is not affiliated with the show; this page is an independent summary.
