Congratulations to Hafiz Muhammad Ali who successfully defended his PhD thesis on 'Free-Convection Condensation on Single Horizontal Pin-Fin Tubes'. Hafiz's research was supervised by Dr Adrian Briggs. His work involved the experimental and theoretical investigation on the performance and optimization of three-dimensionally enhanced pin-fin tubes. During his PhD studies, Hafiz contributed as lead author to the publication of three journal articles with more planned, and four conference papers.