Arshak Poghossian received his PhD degree in solid-state physics from Leningrad Electrotechnical Institute in 1978 and the Dr. Sci. degree in solid-state electronics and microelectronics from the State University of Yerevan (Armenia) in 1995. After being an associate professor at the State Engineering University of Armenia and director of Microsensor Ltd. (Yerevan) from 1991 to 1996, he has been a professor at the University of Management and Information (Yerevan). Since 1998, he has been with the Institute of Thin Films and Interfaces at the Research Centre Jülich, and from 2004 until 2018, he joined the Institute of Nano- and Biotechnologies (INB) at Aachen University of Applied Sciences, Germany. In 2008, he was appointed as Honorary Professor. In 2011, he was elected as a Foreign Member of the Armenian National Academy of Sciences. In 2019, he founded the company MicroNanoBio. His research interests are solid-state chemical sensors and biosensors, sensor materials, nano-devices, microsystem technology, and nano- and biotechnology.