EERC UNIVE RSITY OF UNDNORTH DAKOTA. Congratutåtions ANN HENDERSON RESEARCH ENGINEER A dedicated professional who consistently makes positive contributions to the organization and to our community. TOP 25 WOMEN IN BUSINESS 2020 EERC UNIVE RSITY OF UNDNORTH DAKOTA. Congratutåtions ANN HENDERSON RESEARCH ENGINEER A dedicated professional who consistently makes positive contributions to the organization and to our community. TOP 25 WOMEN IN BUSINESS 2020