Carlos Varón, P. Eng. Email & Phone Number

Richmond Hill, ON, CA

Toronto General Hospital, Toronto, ON

Toronto, Canada Area

• Manage the operational and maintenance activities of General Electric PETtrace 800 cyclotron and radiochemistry equipment under a quality management system to safely meet the production and research demands.
• Planning and scheduling Preventive Maintenance for the cyclotron based on manufacturer recommendations and system results.
• Inventory management and forecasting of parts and consumables needed for the safe and reliable operation of the radiochemistry area.
• Design, development and validation of state of the art electronic devices that comply with best practices of engineering and GMP for safe manipulation and transport of radioactivity from the cyclotron’s targets to the.
• Keep record of the systems failures and services to report system reliability and compliance as well as to support service planning and failure forecasting.
• Adherence to CNSC regulations and procedures to ensure professional and safe working conditions for others employees and visitors in the area.

Princess Margaret Hospital, Toronto

• Quality Assurance of Radiation Therapy’s linear accelerators relative to radiation delivery specifications and tolerances established by the Radiation Physics department. Conducted absolute dose and relative dose.
• Studies and experiments to perform Quality Assurance for Volumetric Modulated Arc Therapy (VMAT) on a Linear Accelerator (Linac) using available tools.
• Implemented and put into work World Health Organization directives for controlling and keeping medical instrument inventories and their calibration.
• Wrote documentation related to new QA procedures for Linacs.
• Participation in Acceptance Testing and commissioning (Measuring and collecting data for radiotherapy beam models) of new Linear Accelerators.
• Accelerator Technology faculty member.

Ontario Cancer Institute, Toronto, ON

• . Imaging Performance evaluation based on spatial resolution, noise and Signal to Noise ratio (Modulation Transfer Function, Noise Power Spectrum and Noise Equivalent Quanta)
• Improve Multi Scale, Multi Resolution Image registration algorithm by maximizing the Cross Correlation and Mutual Information between 2 X-Ray, different energies images (Dual Energy).
• Collected patient cohort for validation of the method and analysis of outcomes.
• Tested and improved a Multi-scale Multi-resolution image registration algorithm with the images acquired from the cohort to reduce computational time by comparing Cross- correlation and Mutual information as metrics.
• Performed theoretical and experimental studies to optimize the Dual Energy acquisition parameters. (kVp, filtration and dose allocation between the Low and the High energy images).
• Studied experimentally some noise reduction techniques based on our theoretically developed techniques.

Toronto, Canada Area

Provided world-class technical support to end users on Intel-based X-series servers, desktops, laptops and peripherals. Resolved hardware and OS installation issues.

Bogota, Colombia

• Responsible for technical documentation and aircraft component maintenance manual updates and revisions.
• Improved the technical staff productivity by incorporating PC based Automated Test Equipment.
• Increased the aircraft components repair capabilities by evaluating and acquiring test equipment and then training technical staff.
• Improved the aircraft components repair quality control as defined by national and international aircraft’s polices and regulatory bodies.
• Provided technical support, guidance and training to the technical staff in the use of new equipment.
• Designed Automatic Test Equipment in collaboration with a third company based on a grant founded by Colciencias (Administrative Department of Science, Technology and Innovation Colombia).