Szilard Zsigmond is the Principal Product Line Manager of photonic line systems, amplifiers and node configurations at Nokia. He is also the Product Line Manager of Terrestrial-Subsea integration. Szilard has extensive knowledge of optical communication systems and expertise of fiber-optics communication. Before joining Nokia, Szilard was working as researcher and lecturer at Budapest University of Technology and Economics. He was also visiting researcher at NICT-National Institute of Information and Communications Technology Japan. From 2010, he joined Alcatel-Lucent where he was responsible for Central & North-East region of Europe serving as a solution architect. From 2012 become the solution architect of Asia-Pacific region later becomes the head of Asia-Pacific regional Product Line Management. From 2014 joined the core Product Line Management team being the principal Product Line Manager of photonic line systems. Szilard holds a PH.D. from Budapest University of Technology and Economics, has numerous speaking in various conferences; he has published more than 40 scientific papers.