Math/Physics/Dev Mentor for AI Training

I’m building out a series of AI-training exercises and the math side has started to slow me down. What I need right now is a U.S.-based collaborator who can walk through problem sets with me, and help tighten up the mathematical/Physics/Dev foundations behind the models... (Budget: $250 - $750 USD, Jobs: Data Science, Engineering, Machine Learning (ML), Mathematics, Matlab and Mathematica, Physics, Python, Statistical Analysis)