Brian Li

Co-founder of Quip Medical

Greater Toronto Area, Canada

About

Experience

  • Chief Technology Officer at Quip Medical
    Nov 2023 - Present · 2 yrs 8 mos

  • Deep Breathe (3 yrs)
    • Machine Learning Developer
      Jan 2022 - Aug 2024 · 2 yrs 8 mos

      - Investigated the utility of state-of-the-art (SOTA) Siamese self-supervised learning (SSL) methods (SimCLR, Barlow Twins, and VICReg) for the unsupervised pre-training of M-mode lung ultrasound images - Created specializations of SOTA SSL methods to leverage the unique qualities of the M-mode ultrasound data domain

    • Computer Vision Software Developer
      Sep 2021 - Dec 2021 · 4 mos

      - Designed, implemented, and evaluated neural networks for the classification of the lung sliding artefact in lung ultrasound videos - Implemented video classification architectures, including temporally distributed CNNs and inflated 3D CNNs, and image classification architectures, such as EfficientNets and MobileNets, using Tensorflow - Leveraged Tensorboard for training and evaluation metric visualization - Implemented Grad-CAM to generate feature importance heatmaps - Implemented a configurable input pipeline for lung ultrasound videos and transformed images using Tensorflow Datasets

  • Data Science Intern at Capital One
    Jan 2023 - Aug 2023 · 8 mos

    - Applied isolation forests to tabular call data to detect anomalous customer calls, helping to identify impactful improvements in call handling procedures - Experimented with feature engineering and hyperparameter searches using sklearn

  • Deep Learning Developer at DarwinAI
    Apr 2022 - Aug 2022 · 5 mos

    - Prototyped various RetinaNet-based models in PyTorch, using attention condenser and standard convolutional backbones, for PCB component detection in the FICS PCB dataset - Implemented test-time augmentation, for classification and object detection tasks - Built data pipelines for object detection tasks for data stored in COCO and Pascal VOC formats, including refactoring of existing utilities and old pipelines to decrease redundancy

  • Data Science Intern at University of Waterloo
    Jan 2021 - Sep 2021 · 9 mos