A Product Development Partner Focused on Real-World Outcomes

We are driven by a simple goal:

  To see the products we work on succeed outside the lab, the prototype, and the presentation.

Henning Product Development brings complex ideas into the real world.

We partner with startups, enterprises, and research teams to design, engineer, and deliver products that are not only innovative—but manufacturable, validated, and ready for market.

Built Around Doing It Right.

Product development is inherently complex. Success requires more than good ideas—it requires disciplined execution, aligned teams, and a clear path to manufacturing.

Our approach is grounded in a few core principles:

  • We prioritize validation over assumption 
  • We integrate manufacturing considerations early 
  • We align product, people, and resources throughout development 
  • We move quickly—but only when it’s responsible to do so

This philosophy is reflected in how we work every day and in the process we’ve refined across a wide range of products and industries.

Learn more about our process

How We Work

Our values are not abstract—they are reflected in how we approach every program.

We build for the real world

Every decision is grounded in how a product will be used, manufactured, and supported over time.

We validate before we commit

We test assumptions early and rely on evidence to guide decisions.

We work as one team

Our clients, engineers, designers, and partners collaborate closely to solve problems and move forward with clarity.

We take responsibility for outcomes

Our goal is not just to deliver designs or prototypes—it’s to help bring successful products to market.

We continuously improve

We are constantly refining our process, expanding our capabilities, and strengthening our network.

 

"Thank you so much for all of your contributions to this project. It is a pleasure to work with a true scientist and sincere partner. Your integrity, enthusiasm, creativity, imagination and expertise are greatly appreciated. I look forward to to future collaborations."

Dr. Robert Siegel
Director, Cardiac Noninvasive Laboratory
Cedars-Sinai Medical Center.

"Your weekly updates are great! It’s great to have that kind of understanding of how the project is progressing. It adds an incredible aspect to your awesome services."

Zeev, CEO, Event Marketing

"We thought the extra payment was well deserved! We appreciated the fact that you got the project started right away and made our deadline. We knew it was tight, but because you got it done in time, we were able to get it out to the potential buyer in time for their review. Thanks."

Jeff, Designer, Toys

"I like your idea a lot."

Julien, COO, Toys

"This is awesome! Thanks again for helping out on such short notice. Always great work."

Greg, Inventor

"I was afraid to open your email. I've been through a lot of these. But when I opened yours I said 'Man, they nailed it!'"

Brian, Inventor, Tech Transfer

"I cannot express adequately how impressed I am with your work! This is just what I needed to move forward. You have great capabilities"

Steve, Inventor

"Very, very nice. I showed the [product] to our CEO – she loved them. We’ll get those over to the factory. Nice work!"

Jeff, Project manager

A Team Built to Deliver

Henning Product Development combines hands-on product development expertise with a disciplined, manufacturing-aware approach to execution.

Henning Zieger, Founder

Henning Zieger, Founder
Product Strategy • Innovation • Market Success

Henning Zieger’s approach to product development was shaped early—he often says he was “born in a factory,” and it’s not far from the truth. As a child, he spent time on the production floor of his family’s manufacturing business, where he became fascinated with how ideas are transformed into real, tangible products. One of his earliest memories is watching his own drawings sealed into blister packaging—an experience that captured the full arc from concept to finished product. read more...

Elan Fullmer, Product Development Engineer

Elan Fullmer, Product Development Engineer
Product Definition • Mechanisms • Engineering Validation

Elan Fullmer specializes in transforming ideas into functional, manufacturable products through disciplined engineering, analytical problem-solving, and hands-on validation. His work focuses on product architecture, mechanism development, force analysis, CAD modeling, prototyping, and technical research. At Henning, Elan helps define the parts, assemblies, and systems that make products work, combining strong engineering fundamentals with a practical understanding of manufacturing and real-world performance. read more...

Saurabh Shirolkar, Product Launch Engineer

Saurabh Shirolkar, Product Launch Engineer
Manufacturing Readiness • Quality • Product Launch

Saurabh Shirolkar specializes in bridging engineering, manufacturing, and supply chain to bring products successfully into production. With experience spanning product design, quality systems, supplier development, and manufacturing operations, he helps ensure that products are not only well engineered, but also manufacturable, scalable, and ready for market. At Henning, Saurabh works closely with suppliers and manufacturing partners, leading RFQs, quality assurance, validation activities, logistics coordination, and production readiness across a wide range of consumer, industrial, medical, and electronic products. read more...

Supported by a Global Network

Our core team is supported by a global network of specialized manufacturers, engineers, and fabrication partners. This allows us to match each project with the right capabilities at the right time—while maintaining the quality, speed, and flexibility required for successful product development.

If You’re Building Something That Matters

We work with teams who are serious about bringing products into the market—and doing it the right way.

Start Your Product Development Project

Henning, Inc.

896 N Fair Oaks Ave.
Pasadena, CA 91103

626 707 1643