Cerebral blood-flow wearable

A wearable that monitors blood flow to the brain continuously and non-invasively, in a package under 4 mm thick. I owned the hardware from system design to production and built the first 200 units in-house in two months.

The product

TEMPLE builds a wearable that monitors cerebral blood flow continuously and non-invasively. The device is under 4 mm thick, which takes tight component stacking and a flexible PCB. In February 2026 TEMPLE raised $54 million in its first funding round, at a $190 million valuation (TechCrunch). A 2024 YourStory article lists me on the team.

What I owned

As Hardware Engineer and Head of Production, I owned the hardware end to end:

• System architecture and component selection
• Mechanical packaging inside a sub-4 mm envelope
• Electronics integration on flexible substrates, and the optical interface
• Production readiness and the hand-off to manufacturing

Taking it to production

• Worked hands-on with suppliers in China and Japan on injection molding, over-molding and ultrasonic welding, and owned CMF (color, material and finish).
• Used DFX decisions to stabilize assembly, reduce rework and make production repeatable.
• Built and shipped the first 200 units in-house within two months, which let the company move into full production.
• Wrote and maintained regulatory documentation for a Class I non-invasive device, aligned with FDA general controls and CDSCO registration.

The hard parts

• Heat inside an ultra-compact enclosure
• Signal integrity on flexible electronics
• A biocompatible enclosure
• Battery life for continuous monitoring