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alec-glisman/README.md

👋 Hi there, I'm Alec Glisman

I bridge physics-based simulations and cheminformatics with machine learning to accelerate molecular design and drug discovery. My background spans fluid mechanics, polymer physics, and generative AI — from deriving continuum equations to training diffusion models on molecular data.

I’m open to collaboration across AI for Science, molecular modeling, and generative chemistry. Let’s connect and build the next generation of molecular design together.

🔗 Website · LinkedIn · Google Scholar · arXiv · ORCID


🔬 About Me

💊 Senior AI/ML Scientist @ Merck & Co. Applying predictive deep learning models and generative AI to accelerate drug discovery by designing, predicting, and optimizing small-molecule therapeutics.

🎓 Ph.D. Chemical Engineering, Caltech (2024) — Wang & Brady Groups 🎓 M.S. Chemical Engineering, Caltech (2022) 🎓 B.S. Chemical Engineering, UC Berkeley (2019)


🚀 Featured Projects

Repository Description
OpenADMET-ExpansionRx ADMET stacked ensemble models — 18th / 400+ in Polaris blind challenge
DDPM-Enhanced-Sampling Denoising diffusion models for Boltzmann-consistent polymer conformational sampling
Swimming-in-Potential-Flow C++/CUDA boundary integral methods — companion code for JFM 2022 paper

📚 Publications

  • Binding Modes and Water-Mediation of Polyelectrolyte Adsorption to a Neutral Calcium Carbonate SurfaceLangmuir, 2025 DOI
  • Multivalent Ion-Mediated Polyelectrolyte Association and StructureMacromolecules, 2024
    DOI, arXiv
  • Adsorption Isotherm and Mechanism of Calcium-Ion Binding to PolyelectrolyteLangmuir, 2024
    DOI, arXiv
  • Swimming in Potential FlowJ. Fluid Mech., 2022
    DOI
  • Geometry and Dynamics of Lipid Membranes: The Scriven–Love NumberPhys. Rev. E, 2020
    DOI, arXiv

🧠 Machine Learning

Core Areas: Graph neural networks (GCNs, MPNNs, GATs) · Generative models (VAEs, diffusion, GFlowNets, transformers + RL) · Uncertainty quantification · Transfer & curriculum learning · Conformer ensemble models

PyTorch PyTorch Geometric Transformers Optuna Scikit--learn MLflow


🧪 Cheminformatics & Drug Discovery

  • Drug Discovery: Structure-based & ligand-based design, de novo generation, lead optimization, multi-parameter optimization (MPO), ADMET prediction, synthesizability screening, virtual screening
  • Representations: SMILES, InChI, molecular graphs, 3D conformers, ECFP fingerprints, pharmacophores, pre-trained embeddings (ChemBERTa, CheMeleon)
  • Databases & Tools: ChEMBL, PubChem, DrugBank; Schrödinger Suite, AutoDock Vina

RDKit Chemprop DeepChem


⚛️ Physics-Based Simulations

  • Molecular Dynamics: Enhanced sampling (metadynamics, OPES, umbrella sampling, HREX), MDAnalysis, Markov state modeling, free-energy calculations
  • Continuum & Quantum: Potential flow theory, microswimmer hydrodynamics, lipid membrane mechanics (Scriven–Love); ORCA for QM; Schrödinger/GLIDE for docking

GROMACS PLUMED MDAnalysis


💻 Languages & Infrastructure

Python · C++ · CUDA · SQL · Shell · LaTeX · FORTRAN

Docker GitHub Actions NumPy Pandas SciPy

Slurm · PBS · Ansible · Spack · Git


📄 For more on my research, experience, and publications, visit alec-glisman.github.io

Pinned Loading

  1. OpenADMET-ExpansionRx-Blind-Challenge OpenADMET-ExpansionRx-Blind-Challenge Public

    This repository contains code and documentation for participating in the OpenADMET + ExpansionRx Blind Challenge. The goal of this challenge is to develop machine learning models to predict various…

    Jupyter Notebook 3 1

  2. Analysis-Polyelectrolyte-Surface-Adsorption Analysis-Polyelectrolyte-Surface-Adsorption Public

    Data analysis scripts and notebooks for interfacial polyelectrolyte molecular dynamics simulations using Gromacs.

    Jupyter Notebook 4 1

  3. gromacs gromacs Public

    PLUMED-patched GROMACS molecular dynamics simulations repository used for my anti-scaling research project in the Wang Group.

    Shell 1

  4. Polyelectrolyte-Surface-Adsorption Polyelectrolyte-Surface-Adsorption Public

    PLUMED-patched GROMACS molecular dynamics simulations repository used for my anti-scaling research project in the Wang Group.

    Shell 1 1

  5. Simulation-Two-Chain-PAA Simulation-Two-Chain-PAA Public

    Simulate interactions between two fully-charged PAA chains with varying amounts of CaCl2 added

    Shell 1

  6. DDPM-Enhanced-Sampling DDPM-Enhanced-Sampling Public

    Diffusion models for enhanced sampling of interfacial polyelectrolyte molecular dynamics simulations.

    Python