Congratulations to Roger Guillory for defending his PhD dissertation entitled “Degradable Zinc Material Characteristics and its Influence on Biocompatibility and in an In Vivo Murine Model” on August 20, 2019. Roger is also leaving us to take a postdoctoral fellow position at Northwestern University in Evanston (near Chicago). We wish him both professional and personal successes in his new place and in this new chapter of his live!