Associate Professor Attila Ambrus graduated as a chemist in 1996 at the Kossuth Lajos University (Debrecen, Hungary). He completed his Ph.D. in structural biochemistry in 2001 at the University of Debrecen with Prof. Laszlo Fesus. The primary focus of his Ph.D. was the investigation of the human tissue transglutaminase enzyme. As a postdoctoral fellow at the University of Arizona (Tucson) for 5 years, he worked on sialic acid oligomers and carbohydrate-based HIV entry inhibitors (with Prof. Jacquelyn Gervay-Hague), nitrophorin proteins and the enzyme CueO (with Prof. William R. Montfort), and DNA G-quadruplexes (with Profs. Danzhou Yang and Laurence Hurley). Since 2006 he has been working at Semmelweis University (Budapest, Hungary). His field of study is the molecular pathology of the mitochondrial 2-oxo acid dehydrogenase complexes and dihydrolipoamide dehydrogenase.