Dr. Ahmed S. Abdelsamie is a postdoctoral researcher at the Helmholtz institute for Pharmaceutical Research Saarland (HIPS) in the department of Drug Design and Optimization (DDOP). Dr. Abdelsamie works in the field of medicinal chemistry with focus in the design and optimization of novel antiinfective and antivirulence agents. Additionally, he is contributing to the design, the synthesis and the biological evaluation of inhibitors of steroid sulfatase (STS) and 17β-hydroxysteroid dehydrogenases (17β-HSDs) in collaboration with Pharmaceutical and Medicinal Chemistry department, Faculty of Pharmacy, Saarland University. Dr. Abdelsamie received his B.Sc. and his Master degree in medicinal chemistry from Ain Shams University, Cairo, Egypt. In 2013, he received his PhD in medicinal chemistry from Saarland University.