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Costas Simopoulos

Physics graduate from National University of Athens, with PhD degree from University of Illinois at Urbana-Champaign. Currently working as Staff Scientist at Siemens Medical Solutions Inc.

Headline: Scientist
Skills: C/C++, Languages and Platforms, Perl, Python, System Administration, Unix
Groups: E-Challenge Competition 2008, E-Challenge Competition 2009, [INACTIVE] BASES E-Challenge 2010
Interested in: Consulting opportunities, Learning about entrepreneurship, Meeting new people, Offering Expertise, Patenting my idea, Professional opportunities
Schools: University of Illinois System - Urbana-Champaign

WORK EXPERIENCE

Employer: Siemens Medical Solutions Inc., Mountain View, California
Position: Staff Scientist
Time period: July 2002 - Present
Description: Developed change detection algorithms for continuous ultrasound image optimization with the objective of workflow and image quality improvements. Developed MRF theory based ultrasound image segmentation algorithms. Supervised the development of image enhancement algorithms by external group.

Employer: Blueleaf Networks Inc., Sunnyvale, California
Position: Senior system engineer
Time period: March 2001 - May 2002
Description: Investigated performance of optical transmitters with various signaling codes (duobinary DPSK) designed to combat impairments due to chromatic dispersion and nonlinear effects in fiberoptic communications.
Investigated through simulations the system impact of various modulator technologies.
Designed and built a laboratory prototype of 600 km, without regeneration, long DWDM fiberoptic transmission system.
Evaluated and specified optical components, lasers, modulators, muxes/demuxes and EDFAs used in a long haul fiberoptic transmission system.
Specified and procured lab equipment for system and component characterization and tests.

Employer: Gigabeat Inc., Palo Alto, California
Position: Engineering manager
Time period: March 2000 - February 2001
Description: Lead of DSP group. Developed algorithms for content based search and retrieval of MP3 files. Developed algorithms for a system of machine generated music recommendations.

Employer: Acuson Corp., Mountain View, California
Position: System engineer
Time period: September 1995 - February 2000
Description: Developed algorithms for automated image optimization improving the workflow and consistency of medical ultrasound d systems.
Investigated through experiments and simulations the performance of beamforming, analog and digital signal path for B-mode, and Doppler mode of medical ultrasound systems.
Wrote programs for hydrophone data acquisition used in the acoustic power management of medical ultrasound systems. Wrote programs for the automatic generation of reports of lab measurements required by regulatory agencies.
Authored and co-authored patents in ultrasound medical imaging.

Employer: Stanford Linear Accelerator Center, Stanford, California
Position: Staff physicist
Time period: July 1993 - August 1995
Description: Designed optics for imaging electron beams utilizing synchrotron radiation in the damping rings of the Stanford Linear Accelerator. Wrote the software to analyze the data recorded by a video camera and a streak camera.
Made beam position measurements using RF cavities and made microwave measurements of accelerating structures of the Stanford Linear Accelerator.
Supervised operations and control room activities of the Stanford Linear Accelerator.

Employer: Stanford University, Stanford, California
Position: Research associate
Time period: January 1988 - June 1993
Description: Designed, and supervised the production of the fiberoptic calibration system of the Cerenkov ring imaging detector of the SLD detector (elementary particle physics experiment) at the Stanford Linear Accelerator Center (SLAC). Integrated the calibration system with the rest of the detector subsystems and brought it to fully operational status.
Supervised the production and devised quality control tests for the production of electron drift tubes.
Developed reconstruction algorithms, wrote data analysis programs and tools to display the data of the Cerenkov radiation ring-imaging detector. Presented papers at conferences.

Employer: University of Illinois at Urbana-Champaign, Urbana, Illinois
Position: Research Assistant
Time period: June 1983 - September 1987
Description: Written data analysis programs for the MARK-III detector at the Stanford positron electron accumulation ring (SPEAR). Developed algorithms for charged particle track reconstruction. Presented results of experiments at conferences and wrote papers published in high energy physics journals.

EDUCATION

University: University of Illinois System - Urbana-Champaign
Time period: 1987
Degree: Experimental elementary particle physics, PhD