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davrens101/README.md

Davis Rens

Co-founder and Chief Scientific Officer at SuperMatics, accelerating superconductor R&D with quantum-mechanical simulation, machine learning and real laboratory data. Berkeley, California.

LinkedIn · SuperMatics

What I work on

  • Superconductor materials R&D: choosing materials and synthesis experiments with simulation, ML and measured data.
  • Quantum hardware and cryogenics: dilution-refrigerator systems, heat budgets and thermal models for superconducting processors (previously at Rigetti Computing).
  • Scientific software: Python, Rust and PyTorch for experimental data analysis and anomaly detection (previously at Berkeley Lab).

Open-source contributions

Small, reproducible fixes to the scientific tools I depend on: scientific plotting, numerical and dataframe libraries, and materials and simulation tooling. This table is regenerated daily from my public pull requests on other people's repositories.

Project Pull request Status
rdkit/rdkit Fix H-bond acceptor definitions for N atoms in BaseFeatures.fdef (#9770) Merged
pytorch/rl Detach clipped importance ratio in CISPOLoss to preserve policy gradients Open
cornellius-gp/gpytorch Compute full predictive covariance in CIQ variational strategy when diag is False Open
Lightning-AI/litgpt Return point-mass probabilities for greedy speculative decoding Open
ACEsuit/mace Include pair repulsion in PolarMACE energy, forces and stress Open
MDIL-SNU/SevenNet Preserve learned predictions in single-modality conversion Open
torchmd/torchmd-net Fix TensorNet2 repulsion scaling during denormalization Open
orbital-materials/orb-models Use positive cell volume for ZBL virial stress Open
ACEsuit/mace Fix learned-interaction omission in EnergyDipolesMACE node energies Open
meta-pytorch/botorch Correct marginal densities and entropy constant in batch MC JES Open
deepchem/deepchem Fix learned hidden-state recurrence in DMPNN encoder Open
CederGroupHub/chgnet Preserve best-validation model weights during later training Open
CederGroupHub/chgnet Fix empty missing-label losses and valid-energy MAE weighting Open
plotly/plotly.js Prevent double-precision underflow in findEmpties for deep empty regions (#8108) Open
plotly/plotly.js Prevent internal _template leak into layout rangeslider opp-axis (#6310) Open
plotly/plotly.js Fix tick prefixes and suffixes with explicit tick values Open

How I contribute

  1. Start from issues a maintainer has already accepted, and check nobody else is on them.
  2. Reproduce first. Add a test that fails without the fix, then make the smallest change that passes it.
  3. Show before and after evidence, run the project's own checks, and report honestly which ones fail and why.
  4. I use AI coding tools for research and drafting. I review every change myself and disclose AI assistance in each pull request, following each project's policy.

Pinned Loading

  1. plotly/plotly.js plotly/plotly.js Public

    Open-source JavaScript charting library behind Plotly and Dash

    JavaScript 18.4k 2.1k

  2. deepchem/deepchem deepchem/deepchem Public

    Democratizing Deep-Learning for Drug Discovery, Quantum Chemistry, Materials Science and Biology

    Python 7.1k 2.4k

  3. meta-pytorch/botorch meta-pytorch/botorch Public

    Bayesian optimization in PyTorch

    Jupyter Notebook 3.6k 515

  4. ACEsuit/mace ACEsuit/mace Public

    MACE - Fast and accurate machine learning interatomic potentials with higher order equivariant message passing.

    Python 1.4k 509

  5. orbital-materials/orb-models orbital-materials/orb-models Public

    ORB forcefield models from Orbital Materials

    Python 625 92