Chris Sarantos, PhD, is a recognized expert on optical instruments and sensors. He has worked on ultrafast optical recording for fusion diagnostics; wearable consumer heart rate and blood oxygenation sensors; reading out home health test strips with phone cameras; remote sensing and computer vision for agriculture and firefighting applications; and, robotic cat toys. Chris has held senior research positions at companies and is currently an independent consultant working with Think Circuits on early wildfire detection.