Reviewer

Sameer Sontakey

Co-founder and Chief AI & Algorithms Officer, Sensor Bio

Sameer Sontakey reviews ChatPPG's health, wearable-accuracy and comparison content for technical accuracy and sourcing. He is Co-founder and Chief AI & Algorithms Officer at Sensor Bio, where he leads the algorithms that turn raw PPG and motion waveforms into physiological measurements.

Background

  • Founded Biostrap, a wearable remote-monitoring platform, and served as its CEO from 2016 to January 2026. Biostrap is now part of Sensor Bio.
  • Named inventor on the patent application “Wearable LED Sensor Device Configured to Identify a Wearer's Pulse” (US 2017/0049404), on PPG-based pulse detection.
  • Built Plethscape, an open-source interactive 3D PPG physiology lab.
  • BS in Computer Science, Harvey Mudd College, 2008.

What a review covers

Reviews check that physiology is described correctly, that every number traces to a cited study or official source, and that device comparisons use only published validation evidence. He is an engineer and company founder, not a physician; ChatPPG content is educational and is not medical advice.

Independence and disclosure

ChatPPG is an independent, device-neutral research resource. It is not a Sensor Bio product, and Sensor Bio does not fund, see or approve its content. Because of his role at Sensor Bio, any page that mentions Sensor Bio or Biostrap devices carries a disclosure, and those devices are held to the same evidence rules as every other device.

Profiles: LinkedIn · sameer.sontakey.com