Debbie Wei Mullin founded Copper Cow Coffee in 2017 to bring Vietnamese pour-over coffee to the U.S. In 2021, she appeared on Shark Tank, securing a $600,000 investment from Robert Herjavec for 8% equity, valuing the company at $7.5 million.
Following the show, Copper Cow Coffee raised an additional $8.5 million in Series A funding, bringing total investments to $11.5 million.
As of 2025, the company is valued at $28 million, generating $4 million in annual revenue. Their products are available in over 3,000 retail stores, including Whole Foods, Walmart, and Sprouts, and online through their website and Amazon.
Copper Cow Coffee continues to expand its product line and distribution, bringing authentic Vietnamese coffee to a wider audience.
Copper Cow Coffee Net Worth
| Net Worth | $28 million (2025) |
| Annual Sales Revenue | $4 million (2025) |
| Lifetime sales | Not available |
| Investor | Robert Herjavec |
| Founder | Debbie Wei Mullin |
| Employees | 29 |
Copper Cow Coffee Pitch on Shark Tank
| Company name | Copper Cow Coffee |
| Product | Vietnamese coffee |
| Episode | Season 12 Episode 25 |
| Founder | Debbie Wei Mullin |
| Asked for | $600,000 for 4% equity |
| Final deal | $600,000 for 8% equity |
| Shark | Robert Herjavec |
| Location | Los Angeles, California, US |
Don’t miss these products from Season 12
Copper Cow Coffee Founder
Copper Cow Coffee was founded by Debbie Wei Mullin in 2017. Debbie Wei Mullin is the Vietnamese American founder of Copper Cow Coffee. She is also the CEO and founder of Wei Pantry. Copper Cow Coffee’s founder, Debbie Wei Mullin, net worth is unavailable. However, according to the deal of the Shark Tank pitch, she had 92% equity in the company. Therefore Debbie Wei Mullin should have more than $6.9 million net worth as of 2025.
Key accomplishments
| Year | Accomplishment |
| 2021 | Appeared in Shark Tank season 12 and Robert Herjavec invested $600,000 for 8% equity. |
| 2022 | Invested in several agricultural programs to limit the use of chemicals during coffee bean production. |
| 2023 | Invested in several agricultural programs to limit the use of chemicals during the coffee bean production. |
Conclusion
From their beginnings on Shark Tank to their current status as a thriving business, they have proven that with the right idea and execution, anything is possible. We can’t wait to see the future of Copper Cow Coffee and its continued success.
