Sam Chang

Over 33 years in research, Product Development, Marketing, and Executive Management. Proven leadership demonstrated in highly respected and industry-leading companies such as ResMed, Invacare, Respironics, and Puritan-Bennett as well as startups. Holds several key patents in Respiratory Care. Innovative, cross-platform thinker and inventor. BSME from Yonsei University; MSME from the University of Texas, Arlington. Post-graduate studies in Mechanical, Electrical Engineering, and Microcomputers at various institutions.