Categories Events 05/09/2024: Xiaoyan hooded the first Ph.D. graduate, Callista, at the commencement ceremony. Congratulations, class of 2024! Post author By Xiaoyan Tan Post date May 9, 2024 ← 04/30/2024: Aya presented a poster at the Department Undergraduate Researcher Symposium. Callista won the Outstanding Graduating PhD Student Award. Aya won the ACS Award for Excellence in Chemical Safety & Ethics. → 05/10/2024: Callista received the COS Dissertation medal at the COS Degree Ceremony. Congratulations to all COS graduates.