
Principal SI/PI/Jitter Engineering Manager
Apple · Full-time
Jul 2013 - Present
• 12 yrs 1 moMaybe it's time to edit this after 5 yrs and add some details... or not.
Winner of EDN's Test Engineer of the Year

Principal Signal Integrity Engineer
Altera
Jan 2011 - Jul 2013
• 2 yrs 7 mos* Key member of IC Design IP Architecture Team specializing in jitter and signal conditioning (FFE, DFE, CTLE, etc.)
* In-house expert specializing in Signal Integrity, Power Integrity, and Jitter in high-speed SERDES analog I/O interfaces (PCIe, XAUI, CEI, DDR, Fibre Channel, GigE)
* Key member in the development of industry's first optical FPGA
* R&D of advanced design architectures for optimizing signal integrity, power integrity, and jitter performance at ultr-high data rates
* Expert in advanced Test & Measurement methodologies ranging from manufacturing, standards compliance, design validation, performance-limit characterization, and system-level Signal/Power Integrity
* Defined Best Known Practices in Test & Measurement across all engineering organizations
* Technical liason to Tier 1 customers of high-speed transceiver products
Sneak Peek: Industry's First 28-Gbps FPGA
Optimizing 10-Gbps Backplane Performance
Driving Backplanes with High-Speed FPGA Transceivers

Sr. High-Speed Signal Integrity Engineer
NVIDIA
Dec 2009 - Dec 2010
• 1 yr 1 mo* R&D of advanced mixed signal design validation techniques and methodologies
* R&D of advanced characterization methodologies for signal/power integrity on die, package, and board
* Define laboratory equipment and best practices for next generation high-speed interfaces
* Maintained peer relationships with industry experts in signal integrity
* Worked closely with various teams for system engineering
* Reviewed roadmaps for major metrology-grade equipment manufacturers to ensure cost-effective characterization solutions aligned with Nvidia's requirements
* Expert in high-end engineering laboratory equipment and instrumentation

Sr. Member of Technical Staff
Altera
Sep 2003 - Dec 2009
• 6 yrs 4 mos* Research and development of advanced characterization methodologies and simulations for high-speed (>25 Gb/s) transceivers with emphasis on signal conditioning techniques (FIR, CTLE, DFE, etc).
* In-house expert on high-speed signal integrity, power integrity, and characterization methodologies specializing in jitter measurement, simulation, and analysis.
* Advanced project management and supervision of an elite engineering team (typically 4-6 members) for mission-critical characterization and debug of high-speed transceivers.
* Defined all transceiver characterization methodologies from 1Gb/s to 25 Gb/s for product engineering organization.
* Defined transition of technical projects from R&D phase to product development phase, and ultimately to off-shore resources for cost reduction.
* Worked closely with various engineering teams for product definition and development.
* Reviewed roadmaps for major metrology-grade equipment manufacturers to ensure cost-effective characterization solutions aligned with future Altera products.
* Maintained peer relationships with industry experts in signal integrity.
The Relationship Between Variance of Time Measurements and the Autocorrelation Function
Analyze FPGA Transceiver Interoperability and Signal Integrity

Sr. Research Engineer
Wavecrest
Aug 2001 - Sep 2003
• 2 yrs 2 mosSupervisor: Dr. Mike Peng Li, Chief Technical Officer
* Research and development of time-based jitter measurement systems.
* Developed simulations of signal integrity in optical components.
* Developed simulations and hardware for jitter-based phase noise measurements.
* Presented numerous technical seminars on signal integrity based on jitter measurement and analysis.
* Field experience in jitter measurements at many customer sites.

Research Physicist
Lawrence Livermore National Laboratory
Sep 1995 - Jul 2001
• 5 yrs 11 mosSupervisor: Dr. Simon Labov, Principle Investigator
* Security clearance: U.S. Dept. of Energy "L"
* Developed advanced high energy-resolution gamma-ray spectrometers based on active biased superconducting transition edge sensors with SQUID read-out.
* Responsible for design, microfabrication, cryogenic testing, electronics, digital data acquisition, digital data analysis, and numerical modeling of detectors.
* Achieved record energy resolution of 70 eV FWHM for 60 keV gamma-rays with >70% quantum efficiency and pixel area >1mm2.
* Responsible for operation and maintenance of cryostats, UHV deposition systems, and photolithographic system in a class 1000 clean room environment.