Alec Glisman, Ph.D.

Senior AI/ML Scientist, Merck & Co.

AI/ML
Physics
Drug Design
Fluids

I apply generative AI and physics-based simulation to design and optimize small-molecule therapeutics, combining cheminformatics, deep learning, and molecular simulation to optimize potency, selectivity, and ADMET properties during lead optimization’s design-make-test-analyze cycles.

View Research Contact

Ph.D. Chemical Engineering, Caltech ’24
7+ Years in computational molecular & physics simulation incl. 4+ yrs applying AI/ML, 2 yrs in industry drug discovery (Merck)
5 Peer-reviewed publications + 1 preprint (ChemRxiv 2026)
25/100 OpenADMET Blind Challenge rank

Research Highlights

Generative AI & Molecular Design

AI/MLDrug Discovery

GFlowNet-based generative models for R-group optimization and core-hopping, constrained to validated reaction templates and commercially available building blocks.

R₁ R₂
Synthesis-constrained R-group design

Molecular Property Prediction

AI/MLCheminformatics

Automated benchmarking pipeline across multiple architectures for ADMET prediction. 25th / 100 finalists in OpenADMET Blind Challenge.

Trees MPNN Foundation
Multi-architecture benchmarking

CheMeleon-Rxn: Reaction Property Foundation Model

AI/MLCheminformatics

Pre-trained on ~2M reactions, fine-tuned for reaction property prediction. Best-or-tied-best on 7 of 8 low-data benchmarks.

CheMeleon-Rxn: pre-training a reaction graph neural network on 2 million reactions via descriptor regression, then fine-tuning for reaction property prediction
CheMeleon-Rxn pre-training

Mentoring & Student Research

AI/MLDrug Discovery

Co-mentor UC Berkeley Data Science Discovery teams on AI/ML for drug discovery. Research and Storytelling Award, CDSS Spring 2026 symposium.

Agents in the Loop for Small Molecule Drug Design: award-winning student poster from UC Berkeley's Data Science Discovery program
Award-winning student poster

Polyelectrolyte Simulations & Ion Binding

PhysicsSimulation

Enhanced-sampling MD revealing ion-ion correlations as the primary driver of polyelectrolyte attraction, with autoencoder analysis of complex structures.

Ca²⁺ adsorption isotherm and binding free-energy landscape on poly(acrylic acid)
Ca²⁺ binding free energy
View all research areasFull publication list

Focus Areas

Generative AI Molecular Design De Novo Design Lead Optimization ADMET Prediction Graph Neural Networks Deep Learning Multi-Objective Optimization Drug Discovery Cheminformatics Property Prediction Computational Chemistry Structure-Activity Relationships Molecular Dynamics

Education

  
Ph.D., Chemical EngineeringCalifornia Institute of Technology, 2024
MS, Chemical EngineeringCalifornia Institute of Technology, 2022
BS, Chemical EngineeringUniversity of California, Berkeley, 2019

Research Publications Experience Projects Contact