President and Principal Engineer / PhysicistEngineering solutions in software/hardware/system design for a wide variety of Silicon Valley companies and laboratories, including:Stanford University, SLAC, Skybox Imaging, Salira Systems (Hitachi), RGB Networks, Liberate Technologies, Cisco Systems, Mayan Networks, Cosine Communications, Softcom Microsystems, McData, Brocade, Sonicwall, Systemix, Becton Dickenson Biosciences

Instrument redesign for DAQ upgrade to PCIe device Xilinx Artix 7. Artix RTL port and PCIe hard ip. Driver software in support of new device.

HW/FW/SW for Haven space station flight computer. NXP Arm SOC – Linux OS and board support. Repo and build.

VTOL intra-city airtaxi design. System tradeoffs. R&D, prototyping, architecture, and drivers for flight controls. Xilinx zcu106 and Versal SoC hardware. RTL, Linux OS and vxworks RTOS bsp.

R&D for level 4/5 autonomous driving in the optimization and performance group. GPGPU drivers and data processing architecture. System architectural review and recommendation. Source hardening. Heterogeneous parallel processing. Embedding experimental platforms to mobile target hardware. (C++, C, CUDA, Yaml)

R&D for data processing of nanopore sourced sequencing information. Source hardening. GPGPU, CPU, vectorized simd, fpga, and gpu stream data processing. Data rates approach 1TB per minute. Acquisition architectural review and recommendation. Large scale heterogeneous parallel processing. (C, C++, CUDA, Json)

Verification and Validation for SSD hardware designs and memory. Detailed test scenarios at the memory chip level. Python automation. (Py, C, Verilog)

SOC design verification for next generation xbox processor. Pre-silicon through to silicon verification and testing. Waveform generation and debug.

Natural Language Processing and Machine Learning. Methods in AI for NLP. Modeling of Neural Dynamics. Aural and vision system prototyping. Speech tagging and contextualization. Neural models for "deep" learning. Conversational NLP. (Py)

Collaborative partner in robotic engineering. Language processing. Operating system and platform software, linux device drivers for video and audio. Camera and microphone array bringup. Audio and vision system prototyping and verification (C, C++). Device driver (C) and hardware abstraction layers. Embedded board architecture and design. System verification.

Architecture modifications for research flow cytometer platforms and cell sorters. Hardware (Verilog), software (C#) and firmware (C) optimization. Altera SOC FPGA data acquisition (C, C++) and windows .NET control and display software (C#). NIOS II soft processor and iniche ethernet stack modifications for cytometer control. Ethernet triple speed device driver (C). Embedded board architecture and design. Whole system verification.

Architected embedded system for high speed Raman Spectroscopy using multi core general purpose ARM processors and single purpose dsp core. Travel to customer sites for requirements gathering. Completed successful prototype of high speed Raman Spectroscopy system: custom hardware, QNX OS, drivers and application software. Completed demonstration of classification of identifying spectra above design speed.

FPGA fabric design for soft processor subsystem and solid state storage. Xilinx Virtex6 device, Microblaze cpu and compact flash ip. Driver modification for concurrent dma activity. Command line utilities for performance evaluation.

Board bring up and network driver and network device configuration.

New cytometer design as a member of a multi-disciplined team of engineers developing a new generation of laboratory and portable flow cytometers. Translation of operational requirements to hardware and firmware specification to meet data throughput. Algorithm manipulation for mathematical compensation of multi-channel data path using vectorizing SIMD hardware. Specification and implementation of data acquisition subsystem. Windows XPe driver and application code for data acquisition system. Full diagnostic suites in .NET and WPF, including three applications and firmware.Real time operating system and data application support for flow cytometer products. VxWorks real time operating system port (board support) for FACS%CD4 project; included 3 bsps supporting variations in architecture. System debug and problem resolution for FACSCantoII flow cytometer product data acquisition. VxWorks board support and application port for VME based FACSAria flow cytometer and cell sorting product.FACS Array cytometer product redesign of digital electronics for obsolescence. New TMS320 dsp processor and Ethernet device, and update of software OS and support for TMS320 dsp processor including optimization of boot code and ethernet device driver. Throughput increased 3x over older design due mostly to software optimization. Zero defect release to production.

Control system development for MARX power delivery system for the International Linear Collider (ILC). RTEMS board support and port for Arcturus 5282 Coldfire processor. EPICS based monitoring and control. Tcl/Tk windowing GUI for human interface to control and monitoring.

Diagnostics and verification for Eclipse 3610 SAN switch and extender product. CLI and VxWorks rtos shell dynamics for bringup and manufacturing diagnostics.

Hardware bringup for 3520 platform chassis, ATCA based GEPON switch. VxWorks Board Support Package (BSP) for 3520 command card, MPC8270 cpu, Broadcom 5696 switch, Teknovis TK3921 PON interface (x7), I2C, flash, rtc, and all support subsystems. Muxed software interrupt layer for linecard operation. Consulted on board level problems on other platforms. Ongoing consulting on all system issues.

Architected a satellite payload instrument simulator for GLAST, the Gamma Ray Large Area Space Telescope, now the FERMI telescope. Specified COTS hardware platform and OS. Authored firmware for instrument: VxWorks and Linux BSPs and drivers for network, disks, and custom FPGAs. Brought up custom hardware and integrated firmware. Designed and built several test stands for GLAST hardware and firmware verification.

Particle Physics detector design, modeling, prototyping. Research and Development.