Creative
software engineer with over 20 years of experience in medical
electronic device design. Demonstrated skill at providing
cost-effective process improvements, leadership, and technical
guidance. Highly competent in finding robust and reusable software
designs to meet customer requirements within cost and time
constraints. Adept as technical lead, team member, or individual
contributor with strong medical application knowledge and
background.
· Proficient in C#, C++ and C.
· Familiar with Intel and Motorola general purpose processor and DSP assembly languages.
· Ultrasound theory including clinical applications, physics of ultrasound, beamformation, signal and image processing.
· Design of software architecture for embedded systems control and signal processing (DSP).
· Design of higher-level software architecture for ease of maintenance of complex systems, including code generation from information stored in a database.
2006–present:
Sr. Software Engineer, Target Localization Group, Calypso Medical
Systems,
· Responsible for design and implementation of magnetic target localization subsystem algorithmic and hardware control software.
· Instrumental in productizing and increasing performance and robustness of first release software
· Designed profiling instrumentation software to identify system performance bottlenecks in .NET and algorithmic processing and modified the software for increased performance.
2004–2006: DSP
Software Engineer, Emerging Technologies, Zetron,
· Responsible for digital signal processing algorithms and architecture for signal clarity and tone processing.
· Prototyped speech synthesis and recognition front end to mobile computer communications systems.
· Prototyped and productized multi-channel and multi-modality (radio, telephone, IP) Voice over Internet Protocol (VoIP) communications panel software.
2000–2004: DSP
Software Engineer, Signal & Image Processing, Philips,
·
Designed new signal processing
architecture to allow seamless programming of both ASIC and
general-purpose processors using signal flow graphs.
·
Designed tools to allow information
about different ASIC hardware configurations to be maintained in a
database from which software is generated to allow code re-use for
varying ASIC configurations.
·
Designed, implemented, and optimized
signal and image processing software for various ultrasound features
and imaging modes.
·
Managed a project as technical lead
to install a CD writer on an existing product and convert ultrasound
images to JPEG and write these images to a CD.
1997–1999:
Software Engineer, Acquisition, Philips,
formerly Advanced Technology
Labs (ATL),
·
Designed and implemented software for
beamformer and scanhead control for ultrasound data acquisition and
signal pre-processing for existing ultrasound instruments.
·
Developed software architecture to
correctly sequence ultrasound algorithms to improve performance,
reduce maintenance costs and increase reliability.
· Optimized beamformer control to implement ultrasound imaging modes and control of motorized scanheads to improve their performance.
·
Designed software to acquire and
process physiological signals to realize new ultrasound imaging
modes.
1995–1996:
Software Engineer, Philips,
formerly ATL Interspec Cardiology, Ambler, PA
·
Acquired responsibility for the
Functional Requirement Specification as well as test procedures for
a new ultrasound instrument.
· Managed software technology transfer of ATL Interspec’s ultrasound software to ATL Bothell after consolidation and relocation.
· Developed a user calculation compiler to allow users to implement their own quantification algorithms resulting in fewer necessary upgrades and increased customer satisfaction.
· Developed automated test procedures to permit regular regression testing of software updates.
1993–1995:
Systems Engineer, Innovative Medical Systems (IMS),
·
Managed embedded software projects
for various OEM automated clinical analyzers using multidisciplinary
background to translate customer requirements into cost-effective
and products.
·
Spurred movement from C to C++, ISO
9000 series certification, and developed practical process and
procedure to ensure quality code on time and within FDA requirements
to ensure patient safety.
·
Performed ongoing research and
development of new optical detection techniques leading to reduced
manufacturing cost and higher reliability.
1983–1993:
Electronic Engineer, IMS,
·
Awarded patents on optical front-end
detection circuitry for turbidimetric, colorimetric, and
fluorescence polarization clinical analyzers.
· Awarded patent on high precision self-priming and calibrating peristaltic pumps for clinical analyzers equal in precision to expensive and high-maintenance syringe pumps for that application.
· Improved the speed of execution of coagulation detection algorithms by tenfold using advanced matrix techniques and in-line assembly to permit increased throughput.
·
Led the startup of a medical quality
control department to test IMS’ first clinical analyzer using live
reagents.
MS, Medical
Engineering,
BS, EE,
BA, Biology,
References available on request
Marion M. Douglas
(425) 481-7983 home
(425) 286-7271 cell
mail@mariondouglas.net