Justin Yoshimura - Resurrecting & Rolling Up Retail - [Joys of Compounding, EP. 35]

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Apr 27, 2026

Justin Yoshimura, founder and CEO of CSC Generation, a serial acquirer turning retail brands profitable with AI-native systems. He discusses leaving school early to build businesses, the thesis for rolling up distressed retail, and how their Genesis AI platform and data flywheels restore margins and scale acquired brands quickly.

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INSIGHT

Macro Risk Can Ruin Tech-Enabled Turnarounds

Macro shocks can break an otherwise fixable business; tariffs and supply exposure turned a decent acquisition into a painful loss.
Example: a brand with two-thirds China sourcing saw effective tariffs jump to 30%, destroying unit economics.

ANECDOTE

Turning Backcountry From Deep Losses To Profit

Backcountry was losing ~~10% EBITDA (~~$55m LTM loss) when CSC acquired it and then improved EBITDA by ~1,000 basis points within 18 months.
The brand lacked China exposure and fit CSC's AI platform, allowing a rapid profitability turnaround.

INSIGHT

Build Orchestration, Evals, And Decisioning Not Just Models

CSC built Genesis as a plug-and-play, AI-orchestration layer that avoids bespoke model training and focuses on context, evals, and decisioning.
Agents run workflows with evals and rollback safeguards so models improve as lab advances without breaking production.

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Our teacher today is Justin Yoshimura, founder and CEO of CSC Generation, a profitable commerce platform doing over a billion dollars in annual revenue across brands including Sur La Table, Backcountry, and One Kings Lane.

As we explore what it takes to build an enduring company in a sector most investors have written off, we turn to Justin's unconventional path, one that challenges familiar assumptions about credentials, capital structure, and the future of retail.

Justin shares how he stopped attending school around the age of sixteen and built his own curriculum through entrepreneurship, selling cell phones on eBay as a teenager before founding a loyalty program SaaS company that was acquired by Merkle in his early twenties. He describes the influences that shaped CSC's design, including a Warren Buffett obsessed father and the long term holding company model he watched David Williams build at Merkle, and explains why he rejected the traditional buy and flip playbook in favor of permanent ownership backed by patient, contrarian capital.

This special session explores Justin's approach to acquiring retail brands in transition, the AI native operating system called Genesis that has turned loss making companies profitable within the first year of ownership, and the lessons he has carried through COVID, tariffs, and a decade of building a contrarian business in an industry many had written off. Please enjoy class with Justin Yoshimura.

For the full show notes, transcript, and links to mentioned content, check out the episode page here.

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Joys of Compounding is a property of Pine Grove Studios in collaboration with Colossus, LLC. For more episodes of Joys of Compounding, visit⁠ colossus.com/episodes⁠.

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Timestamps

(00:00:00) Welcome to Joys of Compounding

(00:04:20) Episode Intro: Justin Yoshimura

(00:07:02) Justin's Early Life and Childhood

(00:10:20) Developing an Entrepreneurial Spirit

(00:12:08) Building a Cell Phone Marketplace

(00:14:39) Resilience as a Skill

(00:16:26) Lessons from Y Combinator & Merkle

(00:19:25) Why Choose Retail

(00:22:12) Brands That Hit a Growth Wall

(00:25:18) CSC's Founding Story

(00:27:33) Direct Buy: CSC's First Deal

(00:29:29) Justin's Fundraising Journey

(00:32:15) Navigating the COVID Boom-Bust

(00:36:19) Death by a Thousand Cuts in Retail

(00:38:06) Competing for Deals

(00:40:41) Lessons from the Tariff Shock

(00:43:00) Backcountry Case Study

(00:45:23) CSC's Genesis Platform

(00:49:31) How AI is Changing Companies

(00:52:01) Building an AI-First Culture

(00:55:57) Hiring Well in the AI Era

(00:58:09) Incentive Structures & Retention

(01:01:40) Looking Ahead: CSC's Next Decade

(01:05:08) Solving the Biggest Risk in Retail

(01:08:30) The Decline of Search Traffic to Retailers

(01:10:56) Closing Advice for Young People