John R.

I'm a Senior Data Scientist and AI/ML engineer with 25+ years of experience building computer vision and deep learning systems for medical imaging, defense, and other regulated industries. I'm co-inventor of 8 U.S. patents in AI-driven medical image analysis, including SecondLook®, an FDA-cleared mammography CAD system used in roughly 1 million screenings per year that improved cancer detection by 20%. Recent hands-on work includes fine-tuning BioBERT for biomedical sentiment analysis (97.5% F1) and building a CNN-based chest X-ray detector (94.1% recall), alongside AI-integrated cybersecurity work for DoD and healthcare clients. I take on short-term, well-scoped engagements: model architecture review, computer vision/deep learning development, and technical advisory for teams building AI into regulated or high-stakes products. Available now for projects and consultations.