President / Principal Consultant

2019 - Present

Medical Device Client

· Design Wireless Power Transfer (WPT) system to power implantable medical device.

· Performed circuit simulations and thermal experiments to achieve high efficiency.

Medical Startup Client

· Design electrical circuits to deliver medical therapy.

· Provide expertise on product safety design to meet medical device standards.

· Provide input and guidance during work with electrical testing lab.

Principal Electrical Engineer

2006 - 2019

· Completed electrical DVT on the Rhythmia Mapping System for our EP group.

· Electrical Lead on next generation high voltage charge circuit converting 3V to 800V.

· Reduced transformer cost by 75% and improved reliability by redesigning the transformer.

· Reduced inductor cost by 75% and improved power supply efficiency by 10%.

· Recognized for completing Electrical and EMI DVT on the 1st Boston Scientific labeled pacemaker.

· Received an award for completing electrical DVT for our design group in Redmond, WA.

· Awarded for providing technical battery information to the Japan Regulatory group.

· Applied Statistical Analysis tools (Minitab) to evaluate Measurement System Capability and determine electrical yield using Ppk.

· Designed and maintained a system of equipment numbers to document 80 PCBs used in Electrical DVT.

· Authored a document explaining how the electrical design will meet the system requirements.

· Reverse-engineered a competitors charge circuit using x-rays and cross-sections. Created a report for our department including a schematic and parts list.

· Performed second source component testing on magnetics saving the company $2.8 million.

 Electrical Manufacturing Engineer

2001 - 2006

· Troubleshot module and hybrid assembly failures and put corrective action in place to improve test yield of defibrillator products. 

· Supervised the activity of 2 Technicians.

· Implemented over 100 Change Orders coordinating with Design, Test, Quality and Regulatory departments.

· Trained Engineers in Ireland for 3 weeks when production transferred from St. Paul.

Consultant

2001

Transim Technology Corporation Client

· Modeled complex pulse width modulator ICs using the Analog Workbench circuit simulation tool.

· Derived equations for critical currents and voltages in the Buck, Boost, Flyback and Inverted Buck topologies.

1998 - 2000

ADC Telecommunications Client

· Designed a DC-DC power supply for a new product called HDSL2. HDSL2 is a telecommunications term for a single loop version of the standard 2 loop HDSL (High bit rate Digital Subscriber Line).

· Reduced material cost from $90 to $10 by designing a discrete 30W DC-DC converter to replace a purchased power module.

· Decreased material cost and component count by 50% and increased power supply efficiency by 15% in the redesign of an HDSL Repeater circuit card.

· Cut the material cost by 25% in 2 other HDSL power supplies through redesign.

1998

Minnetronix Client

· Designed a 1200W power distribution system for a heart-lung machine to include battery backup, redundant AC-DC power supplies, discrete DC-DC converters, battery charger, “gas-gauge” monitor, microcontroller, voltage and current monitoring circuits, and cable harnesses

1996 - 1997

Ancor Communications Client

· Modified an existing product to limit the AC inrush current which resulted in a $30 million contract.

· Designed a power system utilizing hot swap, redundant power supplies for a Fibre Channel LAN.

· Certified 52 different Fibre Channel products to EMC, safety and CE standards via Technical Construction File.