Associate Professor Valencia Joyner Koomson, Tufts University (image) Tufts University Share Print E-Mail Caption This is Tufts University Associate Professor Valencia Joyner Koomson, right, is technical program co-chair of the event. Credit Kelvin Ma/Tufts University Usage Restrictions None. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.