Summary:  Thirty five years of experience as a designer of microprocessor based devices and systems; data acquisition systems; and analog sensor/signal conditioning systems.  Experienced in all aspects of system design including architecture, hardware, software, PCB layout, and manufacturability.  Experienced EMC troubleshooter.


Systems Experience Highlights:

·         Four Channel, 100MHz Digital Oscilloscope card with DDR2 Memory

·         Medical implant with MICS band wireless and transcutaneous battery charger

·         Helmet Mounted information display for consumer and industrial applications**

·         Network Appliance to deliver Time to 10/100BaseT Ethernet networks

·         Medical device to control a blood pump during open heart surgery *

·         Medical device for treatment of enlarged prostate using microwaves

·         Medical data acquisition system for electrophysiology

·         PC based digital oscilloscopes and spectrum analyzers

·         Low Power Medical RF Generators



·         Low power, low cost, consumer oriented product design

·         Battery powered devices and chargers using LiIon, LiPo, NiMH, NiCd, Lead Acid

·         ISM and 2.4GHz band Wireless data communication system design

·         Xilinx FPGAs, PLDs, All logic families, including ECL10K and 100K

·         Precise Time and Frequency, IRIG Time Codes

·         10/100 BaseT Ethernet MAC and PHY

·         ARM7TDMI based Network Processor

·         MSP430, PIC, Atmel, and every other popular microprocessor since the Intel 8080

·         Power transfer through the skin for implant battery charging

·         A/D, D/A up to 16 bits, up to 100MHz

·         Signal conditioning front ends down to 0.5mV full scale range

·         Patient isolation and input protection for ESD and EMC

·         Design for and test to European EMC standards (EN55011, etc.)



·         VHDL

·         C on PCs and embedded microprocessors

·         Assemblers for all above microprocessors



·         PCB layout

·         US and European medical standards – IEC-60601, etc.

·         ISO 13485 and FDA Good Design/Good Manufacturing Practices

·         Interface with Offshore Contract Manufacturers.


* - Patents 5,965,089 and 6,716,189 for “Circulatory Support System”, Co-inventor

 ** - Patent 7,675,683 for “Ambient Light Display and System for Displaying Data”

Work History:

2003-Present           Bryant Labs                                                 Consultant

Bryant Labs is my consulting company.  Here is a list of some of the companies I have worked with and the products I helped develop:

·         Channel Medsystems, San Francisco, CA – Device for endometrial ablation

·         3rd Stone Design, San Rafael, CA - Multiple Medical Products

·         ET Water Systems,  Novato, CA - Intelligent Irrigation Systems

·         Motion Research Corp.  Seattle, WA - Helmet mounted/ Heads Up Displays

·         LDS Dactron Fremont, CA - Digital Oscilloscopes/Data Loggers

·         Aiello Design, Kennebunk, ME- Multiple Consumer Products

·         Vasona Labs, Saratoga, CA – Wireless networked smart lighting controls


1999 - 2003               Symmetricom, Inc., TT&M Division                   R&D Manager

My first two years at Symmetricom were spent designing a GPS synchronized Network Time Server.  I was responsible for all aspects of the design and the project management.  For the last two years, I managed the R&D department.  I was responsible for 35 people and a budget of $4M.


1989 – 1998              SeaMED Corporation        Senior Electrical Engineer

During my 9 years at SeaMED, I was involved in all phases of the design, development, qualification, and manufacturing of Medical Devices.  I spent 5 years as a Project Director, being the principal customer liaison for several contracts, the largest being over $1M.  I worked very closely with clients, from initial contact and proposal generation through the delivery of the product.


1987-1989                 Rapid Systems                   Senior Electrical Engineer


1983-1987                 Applied Microsystems      Electrical Engineer


1982-1983                 Fluke                                      Test Engineer


1979-1982                 Nicolet Paratronics            Electrical Engineer




1979   BSEE from Worcester Polytechnic Institute, with honors.




Senior Member of the IEEE

Volunteer Docent with the Robert Ferguson Observatory

Extra Class Amateur Radio License, AG6CI