Derek DeStephen

Derek joined us at the beginning of 2019.  He is Sales Manager for Central US and Canada.  Derek holds a Bachelor degree in Mechanical Engineering from Virginia Tech.  He has 13+ years experience in Distributed Fiber-Optic Sensing for temperature monitoring and more recently for acoustic and strain monitoring. Read more

Felix Heck

Felix Heck has been with us since March 1st, 2019 and will be responsible for further sales development as a Business Segment Manager for Linear Heat Detectors. He has a degree as electrical engineer and has been working for various manufacturers worldwide for special detectors (aspirating smoke detectors, ASD) for the past 15 years. Read more


Justin Yu (余俊杰)

Justin Yu joined us in March 2012 as Sales Manager with responsibility for sales of LIOS DTS systems in China. He holds a degree in Opto-Electronic Engineering and has 10 years of experience in the fiber sensing industry. Read more

Julio Toko

Julio Toko

Julio has been with us since 2014. He is the Global Sales Director, Business Segment Manager for PRE.VENT. Julio holds a Bachelor degree in Optical Engineering from University of California, Davis with emphasis on Fiber-Optic telecommunication and Sensing. Julio has 10+ years of experience in distributed and quasi-distributed Fiber-optic Sensing for acoustic, seismic, temperature and strain monitoring. Read more