Dr. Jyoti Mazumder


Professor Jyoti Mazumder is the Founder and Managing Partner of SenSigma LLC. Mazumder is the Robert H. Lurie Professor of Engineering in the Department of Mechanical Engineering and the Department of Material Science and Engineering, and the Director of NSF Industry University Co-operative Center for Lasers and Plasmas in Advanced Manufacturing at the University of Michigan. Elected to the National Academy of Engineering in 2012, Mazumder has published more than 375 papers and co-authored books on laser chemical vapor deposition and laser materials processing. He also served as editor or co-editor of 10 books on topics related to laser materials processing and mechanical engineering. Additionally, until December 2009, he served as editor-in-chief of the Journal of Laser Application. Mazumder holds 16 U.S. patents. He has taken his research to market by commercializing DMD systems through a start-up POM Group Inc. of which he was CEO, until it was acquired by DM3D technologie in 2013.

Mazumder has received numerous awards and honors for his research, including the Distinguished University Innovator Award for 2012, which honors faculty who have made important and lasting contributions to society by developing novel ideas and insights through their research, and then translating them to practice; the Schawlow Award for seminal contributions to laser application research from the Laser Institute of America (2003); the William T.Ennor Award for manufacturing from ASME (2006); the Adams Memorial Membership Award from the American Welding Society (2007); the Thomas A. Edison Patent Award from ASME for inventing the first closed-loop direct metal deposition system (2010); the Manufacturing Engineer of the Year(1986) from the Society of Manufacturing Engineers; and the University Scholar (1985) and Xerox (1987) awards from the University of Illinois at Urbana-Champaign. Mazumder is also a Fellow of the American Society of Mechanical Engineers (ASME), the American Society of Metals (ASM), and the Laser Institute of America (LIA), where he served as president in 2000.


Dr. Lijun Song

Chief technical officer

Dr. Lijun Song is the Chief Technical Officer (CTO) of SenSigma LLC. Dr. Song, who holds a Ph.D. degree in Electrical Engineering and has many years of experience on the sensing and control of laser aided manufacturing process, is a Professor at Hunan University, China. He has three pending patents on the sensing and control of laser material processing, one of which has been successfully implemented in the POM Group. He has published his research in 25 different journals and presented his works at 12 different international conferences. He is exploring Chinese market and manufacturing for SenSigma LLC.



Director of Engineering

Dr. Choi is working as a Director of Engineering at the SenSigma, LLC, managing external-/government- sponsored R&D grants/contracts and overseeing engineering directives relating to SOMS products, advanced 3D printing machines, and advanced materials process development. His R&D and engineering experiences/interests are in the fields of advanced manufacturing, laser materials processing, surface engineering / tribology, instruments using lasers, rapid production realization, CAE/CAD, machine design, computational solid mechanics, transport phenomena in materials processing, adaptive process control, and process modeling. Dr. Choi has over 25 years experiences in the area of advanced manufacturing research and materials processing development throughout industries and academia. He has deeply involved in developing advanced laser additive manufacturing techniques for last 20 years. Dr. Choi has published more than 50 technical publications in the area of laser processing and advanced manufacturing through refereed journals and conference proceedings. Also, he has actively participated in a number of professional societies including Laser Institute of America (LIA), ASME, ASTM, TMS, and ASEE. He got his BS degree from Seoul National University, and his M.S. and Ph.D. degrees from University of Illinois at Urbana-Champaign


Dr. Aparajita Mazumder


Aparajita Mazumder is the Vice-President for Development at SenSigmaLLC. She received her PhD in Comparative Literature from the University of Illinois at Urbana-Champaign, USA. Specializing in cross-cultural and international education, she is experienced in developing and establishing international programs from the initial stage. She has developed courses, established Study-Abroad and internship
programs, negotiated international agreements, written grants, published and presented papers at international conferences. She was the first Director of International Programs in Engineering at the University of Illinois at Urbana-Champaign and the Director of International Relations and Education at the
University of Michigan