Portrait of Steven Madey
Photo: theinjuryclinic.comSource · Source-linked editorial identification
Safety & Security

Steven Madey

WaveCel helmet liner

United StatesEvidence: high confidenceChecked July 2026

Third-party image used for identification in nonprofit educational commentary; rights remain with theinjuryclinic.com.

Who is Steven Madey?

Steven Madey is an inventor associated with United States. Their documented work in safety & security includes WaveCel helmet liner, the contribution at the center of this evidence-backed profile.

Steven Madey co-developed WaveCel, a collapsible cellular liner fitted into helmets to manage both rotational and linear impacts. The physical insert gave bicycle-helmet makers a distinct engineered structure beyond foam alone, bringing an orthopedic surgeon and biomechanical engineer's long-running injury-prevention work into commercial safety products.

Known forWaveCel helmet liner
FieldSafety & Security
Associated withUnited States
Evidence reviewed2 sources
01

What did Steven Madey invent?

Co-founded WaveCel with Michael Bottlang and helped develop its collapsible cellular helmet liner for impact-energy management.

02

What did Steven Madey accomplish?

WaveCel's cellular structure was adopted in manufactured helmets, and NIH-backed commercialization reported substantially lower modeled concussion risk than a standard foam helmet.

03

What is known about Steven Madey today?

A December 2024 helmet-industry report identifies Madey as WaveCel's co-founder, positive evidence he was alive and connected to the product in 2024.

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