Conducted 10+ research efforts for Philips Lifeline Systems over 10+ years. Most recently conducted design research for an emergency call pendant, interviewing seniors in their homes and at a senior living facility. Previously redesigned the installation instructions and user manuals for two Lifeline personal emergency response systems (PERS). Supported the design of a new phone by gathering feedback from 60 elders on the ergonomics and industrial design, and assisted with the voice prompts, display messaging, and LED sequences. Completed the project by conducting two rounds of usability testing in elders’ homes to validate ease of use.