Sunken Stone, Inc.

Helping Brands Sell on Amazon

Company Information





San Diego, CA

Amazon leads the e-commerce world. And Sunken Stone helps brands lead on Amazon.

Its proven process gives sellers the ability to dramatically increase sales and return-on-investment without adding to their workload. Since launching in 2017, Sunken Stone has helped more than 200 brands generate more than $100 million in sales.

Amazon is a must for any growing brand. Sales on the platform are up 200% in the past five years. And this figure was before the Covid-19 pandemic.

But establishing an effective presence on Amazon is complicated. Hundreds of factors are involved in a successful listing. And under-optimizing leaves money on the table.

That’s where Sunken Stone comes in.

This company handles everything: Amazon brand management and logistics, product launch and optimization, customer service, inventory management, forecasting, etc.

Simply put, Sunken Stone handles the hard stuff, so sellers can focus on products and growth.

Here’s what a few of its clients have to say:

“When Sunken Stone took over our account, it was like the clouds cleared. They brought clarity, insights and efficiency. When we started working with them, we were doing about $30,000 per month in revenue on Amazon. Now we’re doing 30x that!” - Djamel Bettahar, CEO of

“We were really concerned with the brand management, logistics, and customer support that Amazon demanded. Sunken Stone managed these aspects flawlessly, and at tremendous value.” - Dennis O’Donnell, Co-Founder of Paw5.

“Sunken Stone is the perfect companion to our business to boost our sales through Amazon. Their team is a lot of fun to work with and is extremely professional.” - Corey Wright, Co-Founder of Gorilla Goodies.

There are about 1,500 other “Amazon Agencies,” which range from solo providers to agencies that deal with Fortune 100 clients. Sunken Stone separates itself from these competitors through:

• Its Technology: Its trademarked custom software platform gathers and makes sense of data with optimal efficiency.

• Its Feather Test: Its four-month “Feather Test” is effective at determining whether a client can achieve success.

• Its Results: 95% of its clients enjoy overwhelming success after handing the keys to Sunken Stone.

Sunken Stone’s business model is based on the success of its clients. It earns revenue as the client grows. In addition, it charges monthly fees in exchange for its services.

The company spends around $1,500 to acquire each customer. And each customer’s lifetime value is around $35,000.

Team Background

Adam Weiler - Founder & CEO

Adam is a Top 500 Amazon seller, and a marketer with more than 12 years of experience in Amazon Product Sales Management.

Prior to starting Sunken Stone, he co-founded StrongVolt, an e-commerce business selling solar chargers for smartphones and electronics. Before that, he founded HDMI King, a retailer selling audio/visual accessories. Earlier, he co-founded CablesForCauses, a company selling multimedia cables.

Adam holds a Bachelor’s degree in Political Science and an MBA from San Diego State University.

Stacey Linder - General Manager

Stacey has been with Sunken Stone for nearly four years. Under her guidance, the company has achieved 300% revenue growth.

Prior to joining the company, she was an account manager with Ninthlink, a marketing and advertising company. Before that, she spent seven years as an event project manager with a contracting company.

She earned her Bachelor’s degree in Communication from the University of California, San Diego.

Paula Lambert - Lead Account Manager

Paula has extensive account management experience.

She began her career as a concierge with Hyatt Regency, a hotel chain. She then was a sales and catering coordinator with DoubleTree, another hotel chain.

From there, she was Group Sales Lead at the San Diego Natural History Museum. After that, she was a convention services manager with Paradise Point, a hotel resort.

Paula earned a Bachelor’s degree in Hospitality from San Diego State University.