Hello! I am an Artificial Intelligence doctoral candidate with over six years of experience in practical AI and computer science projects. My expertise lies in resolving difficult machine learning challenges, troubleshooting complex model issues, and enhancing AI workflows. I offer expert assistance and precise, practical advice for improving model performance, implementing research papers, or diagnosing training failures. I possess PhD-level AI knowledge, a robust problem-solving approach, and provide prompt, professional service, specializing in PyTorch, Graph Neural Networks (GNN), Explainable AI, and model optimization.