Nikolai Ledentsov Entrepreneur, scientist, inventor, incl. first QD laser, 1300 nm GaAs VCSEL, 32 patent families>25 years of operational experience in semiconductor research and industryGraduated (with top distinction) from the Electrical Engineering Institute in Leningrad (LETI, Zhores Alferov's Chair, Nobel Prize 2000). Cand. Sci. and D. Sci. in Physics and Mathematics in 1987 and 1994, respectively (Ioffe Institute). Professor at LETI/Ioffe Institute (1994). Received Alfred Toepfer Fellowship at the Max-Planck Institut für Festkörperforschung in Stuttgart, Department of Prof. von Klitzing (Nobel Prize 1985) were worked on self-organized semiconductor quantum wires and dots.Within 1994-1998 received Alexander von Humboldt Fellowship for work at the Technical University of Berlin at the Institute of Solid State Physics, where later served as Professor (1998-2003, 2006-2007). In 2003 cofounded NL Nanosemiconductor (Innolume), General manager (2003-2006). Founded VIS in 2006. CEO. Main interests: - semiconductor nanostructures. Inventor of lasers based on self-organized quantum dots (1993). https://www.researchgate.net/publication/252134102_Optical_properties_of_heterostructures_with_InGaAs-GaAs_quantum_clusters (submitted December 1993)https://www.researchgate.net/publication/265784322_Luminescence_and_structural_properties_of_%28InGa%29AsGaAs_quantum_dots Commercialized QD lasers in 2003. Inventor of ultrabroad waveguide (PBC) laser diodes suitable for ultimate efficiency Proposed (2004-2007) and realized anti-waveguiding VCSEL, including lambda/2 design, presently used by all major VCSEL companies. Demonstrated VCSEL up to 245Gb/s, self-injection locked VCSELs, large aperture PINs up to 85GHz. Realized orange-yellow (599nm) laser diodesHirsch factor 84. http://scholar.google.de/citations?user=tRbpAkEAAAAJ&hl=de Key Awards- the Young Scientist Award of the ISCS 1996 (for "outstanding contribution to development of physics and MBE growth of quantum dot structures and quantum dot lasers"),- the State Prize for Science and Technology (RF, 2001),- the Prize of the Berlin-Brandenburg Academy of Sciences (2002)Elected:- Fellow of the Institute of Physics (IoP).- Senior Member IEEE- Member of the RASMore than 1000 papers, 32 patent families, three monographs, Above 100 invited or plenary talks at the leading international scientific and industrial conferences. The first plenary talk on quantum dots at the International Conference on the Physics of Semiconductors (1996). nikolay.ledentsov@v-i-systems.com