Justin Seidenfeld

Product, Supply Chain, & Manufacturing Expert

Super Mentor4.9(7 reviews)30+sessions

I help founders take product from idea to market

Justin Seidenfeld’s Biography

Justin is the Founder & CEO of Doris Dev, a product development company based in NYC and Hong Kong that's helped develop & launch a number of consumer product brands including Blueland, Pattern Brands, Lalo, Great Jones, Gravity Blankets, By Humankind, and Canopy to name a few. Justin has been on both sides of the table: service providers and brand owner. He learned a ton from co-founding, launching and scaling Canopy, the first-ever Doris Dev brand.

Client Testimonials

4.9· 7 reviews

Andrew S

Justin was a breath of fresh air! During our chat, he listened super intently which was amazing because, at the end of it, he hit me with a single question that immediately made me call my VP of Sales and chat about an idea that he had for my business. Those 30-minutes were invaluable. Thank you, Justin and Mentor Pass!

Jordan G

Great session with Justin! I have less experience in manufacturing, and he was able to walk me through what I wanted to know very well and help me form a game plan for moving forward.

Harel L

Justin is awesome, he managed to work with me on a short call on a strategy that can save my company a lot of money in reducing our supply chain costs, thank you Justin!

Christian A

That was an amazing call! Thanks a lot for telling me how I can improve the quality of my product.

James C

Great conversation, Justin gives both insightful and thoughtful advice.

Experience

CEO @ Doris Dev

Doris Dev is a full suite product development agency based in NYC with a dedicated engineering and manufacturing team in Hong Kong. We are a team of product development experts who can lead any project from idea to market, including design, engineering, sourcing, manufacturing, testing, distribution and beyond.

Founder @ Canopy (@get.canopy)

Co-Founder @ Factored Quality

Head of Product @ Gravity Products

Chief Product Officer @ Raden

Head of New Product Development at Product Labs @ Buzzfeed

Publications

“How to Go From Concept to Fulfillment”

From tydo.com

“[podcast] Are You Positioning Your Brand Correctly? A Roundtable Discussion with Executives From Doris Dev and Canopy”

From mission.org

“Unlocking Brand Design & Development with Doris Dev’s Justin Seidenfeld”

From skio.com

“Doris Dev CEO Justin Seidenfeld on Launching Canopy”

From theproofwellness.com

Booking policy

What is your cancellation policy?

What is the policy for mentor cancellations or no-shows?

What's your refund policy?

What if my mentor doesn't accept my request?

Is there a grace period for session overflows?

Code of Conduct

No Pitching

Privacy and Confidentiality

Professionalism

From$288/ session