picarro-inc- > picarro-inc- Employee Directory > Tien-Hsiung (Alex) Lee
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Tien-Hsiung (Alex) Lee
Senior Software Engineer
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Location: Sunnyvale, California, United StatesApprox. Years of Experience: 29
Tien-Hsiung (Alex) Lee's Current Workplace
Picarro Inc.
Company Size
51-300
Amount Raised
$56.5M
Picarro is revolutionizing human understanding of global carbon, water and nitrogen cycles through scientific measurements. Our ultra-precise, easy-to-use and portable gas concentration and stable isotope analysis instruments, fully integrated with powerful, cloud-based geo-informatics and geo-spatial visualizations, deliver scientists, businesses, governments and NGOs with specific, comprehensive and actionable environmental data at unprecedented speed, scale and simplicity. Our products are used in a wide variety of applications, including: Earth sciences research; air quality, greenhouse gas and fugitive emissions measurements, energy exploration and distribution, and supply chain integrity. Deployed on all seven continents in places as diverse as the Greenland Ice Cap, The Eiffel Tower, NASA aircraft and Pacific Gas & Electric’s natural gas leak detection vehicles, our solutions are unparalleled in their precision, ease of use, portability and reliability. Our products are designed and manufactured at our Santa Clara, California, U.S.A. headquarters and exported to countries worldwide. Our technology is based on dozens of patents related to cavity ring-down spectroscopy (CRDS). Investors include Benchmark Capital, DAG Ventures, Greylock Partners, QuantumScape, Pacific Gas and Electric Company, and Western Digital.
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Notable Investors
Benchmark, DAG Ventures, Focus Ventures, NTT Electronics
Energy
Chemical
GreenTech
Geospatial
Oil and Gas
Electronics
Manufacturing
Sustainability
Test and Measurement
Chemical Engineering
Supply Chain Management
Environmental Engineering
Experience
Senior Software Engineer
Picarro Inc.
Sep 2008 - Present
16 yrs 1 mo
• Plan, research, and develop all the software products in Picarro, including the host software that runs Picarro analyzers, simulation software that facilitates research activities, automation software that optimizes manufacturing productivity, peripheral integration software that creates total solutions for various gas sampling applications, and more. Continuously improve all software products in terms of user experience, reliability, accuracy, robustness, and scalability. • Work closely with internal and external customers, product managers, and software team members. Collect and prioritize software requests, define specifications, manage project timeline and scopes, and deliver fast and accurate solutions to maximize customer satisfaction. • Lead engineering effort on developing and enhancing the revolutionary Picarro Surveyor solution for natural gas detection that allows natural gas operators to survey for leaks at highways speeds, while automatically detecting and indicating the likely location of leaks in real time on a web browser. This system exponentially increases the frequency and accuracy of leak surveys for natural gas utilities. • Manage the complete software development life cycle – initiate, plan, develop, test, troubleshoot, document, release, and maintain software applications.
Automation Engineer
Headway Technologies, Inc.
May 2007 - Jul 2008
1 yr 3 mos
• Developed analysis models to monitor and control semiconductor manufacturing equipment and process in order to reduce production cost, improve yield, and maximize tool productivity. • Designed software tools to automate and facilitate data analysis on collected equipment data for wafer scrap analysis and other production support.
Senior Digital Design Engineer
Motorola, Inc.
Jun 2001 - Apr 2007
5 yrs 11 mos
• Researched, modeled, and validated advanced 3G WCDMA and HSDPA/HSUPA wireless communication systems by developing a modular, link-level downlink simulator coded in Python and C/C++, which supports: 1. Floating-point simulation for algorithm research and intellectual property (IP) development. 2. Fixed-point simulation for bit-accurate hardware design verification and optimization. • Implemented the core simulator using Python language with a highly hierarchical and modular structure to address the increasing complexity of modern wireless communication systems. Processing-intensive modules were coded in C/C++ to maximize runtime efficiency. • Developed functional, performance, and regression test plans to validate and characterize the demodulator hardware design. Resolved any discrepancy between verilog and behavioral models across a large variety of test scenarios. Analyzed simulation results to optimize the demodulator performance. • Supported FPGA hardware design using SPW and debugging tools (SimVision, etc.). • Researched and simulated advanced signal processing and communication algorithms. • Developed software tools and methodologies to facilitate a rapid, flexible, and large-scale project development, such as a modular Make utility that creates an executable simulator package.
Signal Processing Co-op Engineer
TAKATA Automotive Systems Laboratory, Inc.
May 2000 - Aug 2000
4 mos
• Designed and implemented a graphical user interface (GUI) in Matlab to facilitate the airbag controller calibration process. • Modeled and simulated vehicle crash sensing algorithms using Matlab and Simulink.
Design Engineer
TRW Automotive Electronics Group
Feb 1998 - Jul 1999
1 yr 6 mos
• Simulated, calibrated, and tested vehicle crash sensing algorithms used in TRW airbag controller. • Supported all aspects of algorithm applications in product development process.
Education
  • 1999 - 2001
    University of MichiganMaster's degree, Electrical Engineering
  • 1996 - 1997
    University of MichiganMaster's degree, Mechanical Engineering
  • 1991 - 1995
    National Tsing Hua UniversityBachelor's degree, Power Mechanical Engineering