Jun 28, 2021 · 1h 20m · how-i-built-this
Casper: Philip Krim
gold bands on the timeline = statements, start to end. Hover to read, click to jump. CC turns on captions
In this episode of NPR's 'How I Built This,' host Guy Raz interviews Casper co-founder Philip Krim about disrupting the traditional mattress industry through direct-to-consumer innovation, memorable branding, and omnichannel expansion. Krim reflects on navigating explosive early growth, intense market competition, and the valuation headwinds of taking the company public.
How this conversation actually went
Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. Guy holds 34.5% of the talking time here. How this is scored →
speaking balance: gold is Guy, purple is the guest (3 minute bins)
Philip firmly rejects Guy Raz's framing regarding the media controversy surrounding Casper's loan to JAC Media to acquire Sleepopolis and change reviews.
Hardest push from Guy ▶ 1:02:30 Raz directly asks if review manipulation story is falseGuy Raz refuses a gentle deflection and directly challenges Philip by asking: 'So the story I just said is not true?' regarding the controversial affiliate site acquisition.
Biggest teaching moment ▶ 31:18 Krim corrects Raz on household mattress buying cycleKrim corrects Raz's assumption that customers only buy mattresses every 6-8 years by presenting data showing households buy every 2-3 years across multiple beds.
Guy holds their own ▶ 1:09:20 Raz confronts Krim with precise valuation plunge metricsRaz demonstrates deep market command by detailing the precise numbers behind Casper's valuation drop from $1.1B private valuation down to $500M IPO and $300M market cap.
the scores for every segment, with the reasoning behind each
| Chapter | Topic | Guy as informed peer | Guest teaching | Guest disagreement | Guy pushing back | Why |
|---|---|---|---|---|---|---|
| The Direct-to-Consumer Phenomenon and Casper's Market Rise | 0 | 0 | 0 | 0 | Host introductory monologue setting up the history of direct-to-consumer businesses, mattress market dynamics, and Casper's valuation rise and drop. | |
| Philip Krim's Early Entrepreneurial Ventures and Dropshipping | 4 | 3 | 1 | 1 | Krim shares his early dropshipping ventures in college. Raz connects Krim's multi-site approach to early Wayfair, and Krim explains the negative cash conversion cycle. | |
| Discovering High Margins in the Traditional Mattress Industry | 3 | 4 | 1 | 1 | Raz asks why mattress margins were uniquely high, allowing Krim to educate listeners on the historical oligopoly, private equity control, and legacy brand power in the category. | |
| Scaling and Exiting The Merrick Group | 4 | 2 | 1 | 1 | Raz explores the Merrick Group's plateau and exit, noting that startup sales often leave founders with little cash, which Krim confirms based on rising ad costs. | |
| Moving to New York and Founding Vocalize Mobile | 3 | 2 | 1 | 1 | Krim discusses founding Vocalize Mobile and the friction of SMB sales, while Raz references the Pareto principle regarding enterprise versus small business customers. | |
| Meeting Co-Founders and Validating the Casper Concept | 2 | 2 | 1 | 1 | Krim recounts meeting his co-founders at an accelerator and vetting the mattress concept with Jeff Raider of Harry's and Warby Parker. | |
| Assembling the Founding Team and Reimagining the Mattress | 3 | 3 | 2 | 2 | Raz jokes about his early IKEA boxed mattress, prompting Krim to playfully point out the poor durability of cheap foam and outline Sleepy's opaque pricing schemes. | |
| Securing Seed Funding and Engineering the Ideal Mattress | 3 | 4 | 2 | 2 | When Raz assumes mattresses have a low 6-8 year replacement rate, Krim corrects him with data showing average multi-bed households buy every 2-3 years, before describing seed fundraising. | |
| The Unboxing Experience and Naming Casper | 2 | 2 | 1 | 1 | Krim details how branding the unboxing experience triggered organic YouTube virality and explains the humorous origin of the Casper name. | |
| Explosive Launch and Extreme Fulfillment Challenges | 2 | 3 | 1 | 1 | Krim recounts the massive operational bottlenecks following launch, including shipping customers Aerobeds from Amazon until Amazon banned their account. | |
| Series A Funding and the Broader Sleep Brand Strategy | 3 | 3 | 1 | 1 | Krim explains Casper's Series A financing with NEA and the strategic goal of expanding beyond mattresses into a comprehensive sleep brand with 50%+ gross margins. | |
| Content Marketing, Van Winkle's, and Demographics | 4 | 3 | 1 | 1 | Raz discusses content marketing ventures like Van Winkle's, and Krim reflects on missing the sleep content wave that later propelled apps like Calm and Headspace. | |
| The Influx of Competitors and Mid-Show Break | 4 | 3 | 2 | 3 | Raz probes the risks of shared contract manufacturing facilities, and Krim admits he was initially too dismissive of fast-following DTC competitors. | |
| Navigating Affiliate Review Sites and Legal Controversies | 6 | 4 | 4 | 6 | Raz presses directly on Casper's lawsuits against affiliate review sites and the Sleepopolis acquisition financing, prompting Krim to dispute the media's framing. | |
| The Target Partnership and Road to the Public Markets | 3 | 3 | 2 | 2 | Raz asks about reported Target acquisition talks, and Krim clarifies they opted for a minority strategic investment and nationwide retail distribution instead. | |
| The 2020 IPO and Navigating Valuation Headwinds | 6 | 3 | 2 | 5 | Raz presses Krim on the painful valuation drop from a $1.1B private valuation to a $500M IPO and subsequent $300M market cap amid post-WeWork public market skepticism. | |
| Executive Resilience and the 100-Day Risk-Free Guarantee | 4 | 4 | 2 | 2 | Raz expresses disbelief at the economics of the 100-day risk-free guarantee, and Krim explains that returned beds are recycled locally while customers receive full cash refunds. |