{"id":16599234,"url":"https://github.com/ledell/ledell","last_synced_at":"2026-03-10T15:03:18.429Z","repository":{"id":77426560,"uuid":"342486361","full_name":"ledell/ledell","owner":"ledell","description":null,"archived":false,"fork":false,"pushed_at":"2024-11-24T20:29:23.000Z","size":36,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":2,"default_branch":"main","last_synced_at":"2025-01-17T06:07:40.113Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":null,"has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/ledell.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2021-02-26T06:38:28.000Z","updated_at":"2024-11-24T20:29:27.000Z","dependencies_parsed_at":null,"dependency_job_id":"cacc4c64-f42e-45f5-96b9-8ed9ca8d7f25","html_url":"https://github.com/ledell/ledell","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ledell%2Fledell","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ledell%2Fledell/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ledell%2Fledell/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ledell%2Fledell/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/ledell","download_url":"https://codeload.github.com/ledell/ledell/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":242394443,"owners_count":20120941,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-10-12T00:10:46.356Z","updated_at":"2026-03-10T15:03:18.247Z","avatar_url":"https://github.com/ledell.png","language":null,"funding_links":[],"categories":[],"sub_categories":[],"readme":"### Hi there 👋\n\nI am the Chief Scientist at [Distributional](https://distributional.com), where we're building an automated analytics and testing platform for LLM and Agentic AI applications.  I am also the founder of [DataScientific, Inc.](https://datascientific.com), an AI Advisory and Consulting firm specializing in the development and implementation of cutting-edge AI solutions. Previously, I was the Chief Machine Learning Scientist at [H2O.ai](https://h2o.ai), a leading AI company known for producing [H2O](https://github.com/h2oai/h2o-3), an open source, distributed machine learning platform, along with Driverless AI, h2oGPT, LLMStudio, and a range of other Enterprise AI systems.  My tenure at H2O.ai was marked by the creation and leadership of the development team for the [H2O AutoML](http://docs.h2o.ai/h2o/latest-stable/h2o-docs/automl.html) algorithm (the first open source enterprise AutoML platform), where I also spearheaded efforts in explainable/interpretable AI, algorithmic fairness and AI benchmarking and measurement.  \n\nAdditionally, I am the founder of [WiMLDS (Women in Machine Learning and Data Science)](https://github.com/wimlds) and a co-founder of [R-Ladies Global](https://github.com/rladies), both organizations aimed at promoting diversity and inclusion in the AI field.  I also collaborate with the [OpenML](https://github.com/openml) organization to develop open source benchmarking tools for machine learning, including the industry standard benchmark for AutoML systems (AMLB).\n\n#### Selected open source software contributions 📦\n\nAuthor or co-author:\n\n- [H2O](https://github.com/h2oai/h2o-3): Scalable Machine Learning \u0026 AutoML Platform\n- [H2O AutoML Wave App](https://github.com/h2oai/wave-h2o-automl): Wave App (web GUI) for H2O AutoML (Python)\n- [h2o4gpu](https://github.com/h2oai/h2o4gpu/tree/master/src/interface_r): R interface for H2O4GPU, machine learning on GPUs\n- [rsparkling](https://github.com/h2oai/sparkling-water/tree/master/r): R interface for H2O Sparkling Water, machine learning on Spark\n- [OpenML AutoML Benchmark (AMLB)](https://github.com/openml/automlbenchmark): Benchmarking Framework for AutoML tools (Python)\n- [cvAUC](https://github.com/ledell/cvAUC):  Computationally efficient confidence intervals for CV AUC estimates in R \n- [subsemble](https://github.com/ledell/subsemble): R package for ensemble learning on subsets of data \n- [SuperLearner](https://github.com/ecpolley/SuperLearner): R package for Super Learning (Stacked Ensembles)\n- [meetupr](https://github.com/rladies/meetupr):  R interface to the meetup.com API \n- [rHeathDataGov](https://github.com/rOpenHealth/rHealthDataGov): R interface to the HealthData.gov Data API\n\n#### Selected keynote presentations 👩🏻‍🏫\n\n- [AutoML Conf 2025](https://github.com/ledell/automl-2025-keynote/): Towards Automated Evaluation of LLM Applications\n- [R/Medicine 2025](https://github.com/ledell/rmedicine-2025-keynote/): Model Evaluation: From ML to GenAI\n- [JuliaCon 2022](https://github.com/ledell/juliacon-2022-keynote): APIs \u0026 Community: Building for Success\n- [NeurIPS 2021](https://github.com/ledell/neurips-2021-keynote): Towards Responsible ML Benchmarking\n- [useR! 2020](https://github.com/ledell/useR2020-automl): Responsible Automation: Towards Interpretable \u0026 Fair AutoML\n- [LatinR 2019](https://github.com/ledell/LatinR-2019-keynote): Scalable Automatic Machine Learning in H2O\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fledell%2Fledell","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fledell%2Fledell","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fledell%2Fledell/lists"}