FAN FAVORITE - How Poshmark’s COO Scales a High-Trust Marketplace | John McDonald (Podcast 548)

27 Jan 2026 · 30 min
29:33

This content was created by Cameron Herold. This content was uploaded by Cameron Herold. This is a YouTube podcast episode titled "FAN FAVORITE - How Poshmark’s COO Scales a High-Trust Marketplace | John McDonald (Podcast 548)" (published 2026-01-27). It's an interview-style conversation on the Second in Command podcast hosted by Cameron Herold with guest John McDonald, COO of Poshmark. The discussion covers Poshmark’s business model (social commerce, C2C marketplace), growth and metrics (millions of users/sellers and listings, heavy daily engagement), international expansion (Canada), category expansion (home goods, men, kicks), monetization (simple 20% commission), organizational design (functional → emerging matrix, ~400 employees), community and core values, leadership and COO responsibilities, and advice for younger professionals. The excerpt includes specific metrics and operational details quoted by McDonald and focuses on scaling a high-trust marketplace and preserving culture during rapid growth.

Questions this video answers

Over 7 million sellers.

Well over 75 million listings.

About 50 million users.

Currently well over 30 million listings are curated or shared daily.

Users visit seven to eight times a day and spend about 25 minutes per day in the app.

Chapters

More from Cameron

0:49
youtube.com

Solving Every Problem Is Bad Leadership

1d ago
1:03
youtube.com

COO Alliance Testimonial | Jana Kortusova | CFO and HR Director, Xilio

1d ago
0:48
youtube.com

I Got Everything I Wanted. Now What?

2d ago
0:49
youtube.com

The Problem With Being the COO Who Fixes Everything

3d ago
45:05
youtube.com

Flutterwave Former Global Head of Operations Awa Kone | When Growth Outruns Operations (Podcast 611)

3d ago
2:21
youtube.com

Is Hiring a COO Worth It? Here's What You Actually Get

4d ago
29:53
youtube.com

How to Exit Your Business Without Selling It

1w ago
0:49
youtube.com

COO Alliance Testimonial | Guy Berry | COO, Redirect Health

1w ago
1:30
youtube.com

Boston Was More Than We Could Fit Into 90 Seconds

1w ago
5:30
youtube.com

The CEO and COO Need This Conversation Before Day One

1w ago
1:13
youtube.com

Entrepreneurs Love Systems Until They Have to Follow Them

1w ago
See all content