GreenLifeTech

Bruce Roesner, CEO and Co-founder

“There are two ways to preserve food, refrigeration and oxygen removal. That science has been known for years. But while refrigeration is everywhere, oxygen removal has not rarely been applied practically,” says Bruce Roesner, CEO and co-founder of GreenLifeTech.

That is the exact premise GreenLifeTech operates on. It makes a well-known preservation principle work in a practical, cost-effective way, without complicated chemicals or harmful gases. Unlike other recognized methods that use coatings in an attempt to block oxygen, GreenLifeTech removes it and releases it back into the air. This delays decay while being safe for the environment and usable in homes as well as commercial settings.

Improving Shelf Life and Food Safety

How does the system function within enclosed environments to extend shelf life effectively?

GreenLifeTech’s system works inside enclosed spaces such as refrigerators and storage units. With less oxygen, respiration in organic materials slows and food takes more time to age. If the enclosure is opened, oxygen returns and the system resets. When sealed, it draws no power at all.

“Our technology is simple, safe and easy to use,” says Julia Roesner, advisor and co-founder.

Why is bacterial growth a concern when extending the storage duration of fresh food?

Extending shelf life, however, introduced a secondary problem. The longer food sits, the more it becomes susceptible to bacterial growth. GreenLifeTech introduced controlled amounts of ozone, an activated form of oxygen that destroys more than 99.9 percent of bacteria and decays naturally into breathable oxygen. The result is a preservation system that improves both longevity and food safety. In a country where one in six people suffer from foodborne illness annually and over 120,000 are hospitalized, this carries real public health weight.

In what way does the technology create measurable impact across households and commercial operations?

For households, the impact is immediate. The average American household discards a little under USD 2,000 worth of food annually. For older adults, single-person households and anyone eating fresh on a budget, the system offers a practical solution without changing how people eat or shop.

The commercial opportunity is equally significant. Grocery retailers operate on thin margins and compete most on produce freshness. Reducing waste directly improves profitability. Julia Roesner is direct about the OEM side. Regardless of what the crisper drawer label says, they have not figured this out.

The company’s performance is backed by credible results. During controlled trials as part of an EPA Phase II contract with Purdue University, GreenLifeTech’s system kept blueberries and raspberries firm, sweet and mold-free at 72 days and 30 days respectively. Lettuce remained fresh for around 25 days, while cucumbers lasted over 30 days.

From Industry Validation to Broad Commercial Scaling

Results like these have drawn significant industry attention. Every major refrigeration OEM attended GreenLifeTech's demonstration at CES in Las Vegas.

“What we’ve done is solve the execution problem the OEMs couldn’t crack for years,” says John Freund, advisor and co-founder.

Currently, a leading OEM is testing GreenLifeTech’s system, with early trials already showing extended shelf life across multiple produce categories.

The technology reaches beyond food. It only draws power during oxygen extraction and shuts off once sealed, making it a lower-risk option in the field, where power use can draw enemy attention. Blood and plasma preservation in military operations is one active application. Wine bars are another, where it keeps boxed and opened bottles fresh far longer, letting venues carry more than a few types most stock to avoid loss.

As GreenLifeTech’s impact widens, the company continues refining its technology and moving towards large-scale production. It continues applying a centuries-old principle in a simple, usable way, reducing waste across the food chain.