Posted on 379 Toshiba America Business Solutions today promotes Teresa Sternhagen to general manager of the company’s toner products division. Toshiba Appoints Teresa Sternhagen to General Manager. (Photo: Business Wire) Sternhagen is now responsible for developing and executing strategic and tactical initiatives to ensure optimal operational efficiency for Toshiba’s Mitchell, South Dakota toner-producing facility. She will implement, lead and ensure world-class manufacturing, engineering and supply chain processes. The 25-year manufacturing professional assumes additional responsibility for applying industry best practices to maximize toner quality while ensuring the facility complies with local, state and national regulatory mandates. These mandates include maintaining the facilities’ current ISO Certifications (ISO 9001:2015 Quality, 14001:2015 Environmental and 45001:2019 Health and Safety) which ensure the highest levels of quality, environmental and occupational health and safety standards within its Mitchell facility.