Jason W. Christopher

Machine Learning Scientist at Unlearn.AI
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Hood River, Oregon, United States, US

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Experience

    • United States
    • Research Services
    • 1 - 100 Employee
    • Machine Learning Scientist
      • Feb 2022 - Present
    • United States
    • Medical Equipment Manufacturing
    • Data Scientist
      • Jan 2018 - Feb 2022

      Using the tools of machine learning I am teasing out signals indicative of patient health, and predictive of major health events. In this role, I utilize my engineering and physics background to assess the quality and fidelity of readily available biosensors, use my skills of data analysis to process the signals from these sensors into interesting features, and rely on my knowledge of methods for statistical inference to build powerful, effective models of patient wellness. Using the tools of machine learning I am teasing out signals indicative of patient health, and predictive of major health events. In this role, I utilize my engineering and physics background to assess the quality and fidelity of readily available biosensors, use my skills of data analysis to process the signals from these sensors into interesting features, and rely on my knowledge of methods for statistical inference to build powerful, effective models of patient wellness.

    • United States
    • Higher Education
    • 700 & Above Employee
    • Doctoral Researcher & NDSEG Fellow
      • Aug 2012 - Feb 2022

      • Designed, simulated, built, calibrated/characterized, & automated numerous instruments used by researchers throughout BU's Photonics Center. - MEMS for precision straining 2D materials (High force & sample thermal isolation) - Low ripple (< 0.1˚C) temperature controlled stage utilizing Pt RTD & TEC - High-pressure vessel (>1200 PSI) with sapphire optical window meeting low weight constraint - Pico-pipette system capable of depositing droplets 4 um in diameter with micron precision - Raman microscope with Kohler illumination and ultra-long working distance objectives • Developed sophisticated techniques for fabricating novel micro-electronic & -mechanical devices. - Method for combining 2D materials with MEMS overcoming limited adhesion & fragile, non-planar structures - Sub-micron resolution shadow-mask procedure (Achieves ultra-clean metal deposition on delicate structures) • Contributed to the field of 2D materials in both theory & experiment. - Monolayer MoS2 trion photoluminescence temperature dependence and trion effective size - Phonon polarization and energy response to strain in few-layer hBN & phosphorene - Strain generated pseudo-magnetic fields in monolayer TMDCs & novel geometries in Graphene • Provided substantial leadership to research team: Essential contributor to research roadmap and grant applications. Planned and executed laboratory transition to 2D materials. Managed laboratory safety, equipment maintenance, and new member training. Show less

    • Computers and Electronics Manufacturing
    • 1 - 100 Employee
    • Tech Lead, Mac Touch Products
      • Aug 2010 - Jun 2012

      • Quickly came up to speed on sensor technologies, resulting in promotion within the first 6 months. • Developed key hardware characterization metrics leveraged across touch hardware platforms and created corresponding measurement automation tools delivering high accuracy and repeatability. • Responsible for cross-functional (EE, ME, Firmware, Reliability and Process) coordination to deliver the ultimate in performance. "Best touch experience in the business, hands down" - Engadget (2012 MacBook Pro) Show less

    • United States
    • Market Research
    • 1 - 100 Employee
    • Electrical Engineer
      • Nov 2008 - Aug 2010

      • Created a system to record Biometric and GPS data implemented with 3 PIC processors on an accelerated time schedule. The design also met constraints to be compatible with existing hardware, exceeded Bit Error Rate requirements and has been deployed successfully in hundreds of tests. • Upgraded Data Acquisition System: Increased data rate, made the system extensible from three simultaneous measurements to many and incorporated a feedback system to validate measurements. Characterized the measurement systems to evaluate dither and determine noise and precision. • Designed, built and programmed 915 MHz wireless USB Device implemented with an Altera FPGA that handled USB and data demodulation in parallel to eliminate simultaneous interrupt errors. • Managed EmBand production: Coordinated 13 vendors and Contract Manufacturers. Managed a team of 3 full-time, in-house assemblers. Responsible for documentation and quality control. Show less

    • United States
    • Sporting Goods Manufacturing
    • 1 - 100 Employee
    • Alpine Ski Racer
      • Sep 2005 - May 2008

      - Dedicated myself to an all out effort to make the US Ski Team. - Traveled all over the world training with some of the finest athletes and coaches. - Leader of my ski team with multipole sponsorships and currently one of the top racers in the country. - Dedicated myself to an all out effort to make the US Ski Team. - Traveled all over the world training with some of the finest athletes and coaches. - Leader of my ski team with multipole sponsorships and currently one of the top racers in the country.

    • Intern in the Theoretical Physics Department
      • Jun 2004 - Aug 2004

      - First and only undergraduate student to ever be an intern in the Theoretical Physics Department. - Learned the basics of Quantum Field Theory. - Developed a collaborative relationship with mentor, Bogdan Dobrescu. - First and only undergraduate student to ever be an intern in the Theoretical Physics Department. - Learned the basics of Quantum Field Theory. - Developed a collaborative relationship with mentor, Bogdan Dobrescu.

    • United States
    • Individual and Family Services
    • 1 - 100 Employee
    • Cyberdefender
      • Jun 2003 - Aug 2003

      - In 2 months, I learned Perl and a variety of client server protocols. - Created finite state machines to process entries in server log files produced by the protocols. - Produced and executed a poster presentation with Q and A delivered to a lab wide audience. - Delivered a lecture to my research group on Roanoke Doppler Systems. - In 2 months, I learned Perl and a variety of client server protocols. - Created finite state machines to process entries in server log files produced by the protocols. - Produced and executed a poster presentation with Q and A delivered to a lab wide audience. - Delivered a lecture to my research group on Roanoke Doppler Systems.

    • 1 - 100 Employee
    • Intern in the Combustion Laboratory
      • Jun 2001 - Aug 2002

      - Rebuilt a drop tube furnace with limited resources, often finding creative solutions using old parts. - Created automated data analysis tools reducing analysis time from 1 month to 2 days. - Built a test environment for calibrating the PAS2000, a device so finicky no one could operate reliably. - Rebuilt a drop tube furnace with limited resources, often finding creative solutions using old parts. - Created automated data analysis tools reducing analysis time from 1 month to 2 days. - Built a test environment for calibrating the PAS2000, a device so finicky no one could operate reliably.

Education

  • Boston University
    Doctor of Philosophy - PhD, Physics - Experimental Condensed Matter: Straining 2D Materials with MEMS
    2012 - 2018
  • Massachusetts Institute of Technology
    BS, Electrical Engineering and Computer Science, Physics, Minor in Mathematics
    2001 - 2005
  • Boston University
    Master's degree, Physics
    2012 - 2017

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