Wojtek Walecki received his Ph.D. in Physics and his Master's in Engineering from Brown University in 1994 and 1992 respectively, and a Masters in Physics from Warsaw University in 1988. He did his postdoctoral research at Cornell University. His academic interests were focused on ultrafast spectroscopy of semiconductors and semiconducting devices from UV to THz spectral range. Later Wojtek worked as Semiconductor Diagnostics Program Manager, Product Manager, Worldwide Product Manager, and Division Manager in several companies including ThermoOriel, Lambda Physik, Frontier Semiconductor, and until the fall of 2016, Sunrise Optical LLC. In August 2016, Wojtek returned to Frontier Semiconductor, this time as Chief Technology Officer. Later he left Frontier Semiconductors and created Optoprofiler LLC He is the author of about 80 publications, and 25 granted US Patents.