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About the Authors

Harrison Chojnowski

Harrison Chojnowski

Founder & AI Research Lead

Location: Gainesville, FL

Phone: (702) 355-5729

Email: chojnowski.h@ufl.edu

GitHub: https://github.com/hachoj

LinkedIn: https://www.linkedin.com/in/harrison-chojnowski/

Highlights

  • B.S. Computer Science & Mathematics @ University of Florida (2024-2027)
  • Volunteer Researcher @ MIRTH AI Lab (2024-Present)
  • OPS Employee @ Computational Microscopy Imaging Laboratory (2025-Present)

Research Interests

  • Self-supervised learning.
  • Diffusion models and flow matching.
  • Reinforcement learning.
  • Geometric constraints and feature representations (manifolds, spectral structure).
  • Current focus: flow matching for medical image synthesis and geometric representation learning.

Timeline

Volunteer Researcher, MIRTH AI Lab

  • Period: 2024 - Present
  • Location: Gainesville, FL
  • Trained diffusion and flow-matching generative models for high-fidelity medical image synthesis.
  • Developed implicit neural representations (INRs) for resolution-independent volumetric analysis.

OPS Employee, Computational Microscopy Imaging Laboratory

  • Period: 2025 - Present
  • Location: Gainesville, FL
  • Contributing to a large NIH-funded grant focused on multimodal AI predictions for nephrology.
  • Built self supervised abstract feature extraction pipelines across medical imaging modalities including ultrasound.
  • Trained semantic embeddings from clinical reports using encoder-decoder architectures.

B.S. Computer Science, B.S. Mathematics, University of Florida

  • Period: Aug 2024 - May 2027
  • GPA: 3.95 / 4.00
  • Relevant coursework:
    • Deep Learning in Medical Image Analysis
    • Linear Algebra for Data Science
    • Real Analysis with Advanced Calculus I and II

Publications

Geometry-Aware Implicit Neural Reconstruction of Oblique Micro-Ultrasound Scans

AortaGPT: An Interactive Vision-Language System for Aortic CT Analysis

  • Venue: Under review (2026)
Kirill Luka

Kirill Luka

Founder & AI Research Lead

Location: Gainesville, FL

Phone: (941) 786-2007

Email: kirill.luka@ufl.edu

GitHub: https://github.com/k-luka

LinkedIn: https://www.linkedin.com/in/kirill-luka

Highlights

  • Incoming M.S. Computer Science @ Rice University (Fall 2026)
  • B.S. in Computer Science @ University of Florida (Aug 2022 - May 2026)
  • Undergraduate Researcher @ MIRTH AI Lab (Jan 2025-Present)

Research Interests

  • Large Language Models (LLMs) and Vision-Language Models (VLMs).
  • Theoretical foundations of AI, information theory, and Reinforcement Learning (RLVF).
  • High-Performance Computing (HPC) and distributed training (Data/Expert Parallelism).
  • Current focus: Reinforcement learning for medical VLMs, and optimizing distributed model training.

Timeline

Undergraduate Researcher, MIRTH AI Lab

  • Period: Jan 2025 - Present
  • Location: Gainesville, FL
  • Developing deep learning model for 3D MRI segmentation to quantify brain volumes in preterm infants, directly impacting clinical evaluations of antibiotic exposure.
  • Implementing Reinforcement Learning pipelines using Group Relative Policy Optimization (GRPO) for Medical 3D Vision-Language Models (VLM).

Lead ML Engineer, GatorLM

  • Period: Jan 2026 - Present
  • Location: Gainesville, FL
  • Building a full-stack AI chatbot and managing the project architecture for a custom-trained DeepSeek-style LLM.
  • Developed and trained a 9B parameter Mixture of Experts (MoE) model from scratch.
  • Leveraged NVIDIA Blackwell B200 GPUs on the HiPerGator cluster, utilizing Transformer Engine for FP8 training to maximize throughput.
  • Implemented a distributed training strategy combining Data Parallelism, Expert Parallelism, and Optimizer Sharding to handle the model’s scale efficiently.

Teaching Assistant, University of Florida

  • Period: Jan 2024 - Jun 2024 & Spring 2026
  • Location: Gainesville, FL
  • Mentored students in C++ and Python, reinforcing core concepts of memory management and data structures.
  • Developed exams and technical assessments to test students programming skills and conceptual understanding.

B.S. in Computer Science, University of Florida

  • Period: Aug 2022 - May 2026
  • GPA: 3.59 / 4.00
  • Relevant Coursework:
    • Information Theory
    • Deep Learning in Medical Image Analysis
    • Linear Algebra
  • Additional Coursework: Signals and Systems

Key Projects & Research

Medical AI Agent (Full Stack AI)

  • Built an agentic framework integrating LLM orchestration with MONAI 3D segmentation tools.
  • Engineered a sandboxed Python execution environment to allow the agent to run analysis code autonomously, bridging software design with deep learning applications.