Denis Donlagic is professor at University of Maribor, Slovenia, responsible for fiber optic and photonics systems research and development. He obtained his PhDs from University of Ljubljana Slovenian and University of Strathclyde, Glasgow, UK. During 2001-2002 je joined Corning Inc. USA, as fiber research and development scientist. He authored or co-authored about 150 contributions in international journals and conferences. He is inventor of 17 US patents. During 2006-2017 he acted as a shareholder and technical adviser at Optacore d.o.o, an SME dedicated to specially fiber manufacturing. He leads/lead numerus industrial projects for leading enterprises in the field. His research interest is in fiber-optic point sensors, quasi-distributed fiber optic sensors, specialty optical fibers, fiber-micromachining, MOEMS and optoelectronic signal integration systems.