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I am a data science professional & software developer with over 12 years of experience. I specialize in the Python ML / data science stack (pytorch, numpy, pandas, scikit-learn, statsmodels, jupyter, and many others), cloud (GCP), as well as analytics platforms & tools like Looker, dbt, and Redshift/Postgres SQL. Over the years I have contributed to numerous data products, as both a team leader and senior contributor, at growing small-to-medium stage startups. I bring a sense for hypothesis-driven and innovative problem solving to my work developed during my time as a computational scientist. I also believe in clean coding practice, structured product / project management, rapid prototyping, and effective cross-functional collaboration.
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Member Of Technical StaffStealth Dec 2024 - PresentLos Angeles, California, Us -
Director Of Ml & Data ScienceAtommap Dec 2022 - Nov 2024New York, New York, Us -
Senior Data ScientistRoivant Sciences Dec 2021 - Nov 2022New York, New York, Us• Architected MLOps infrastructure for training & deploying 30 ADME-Tox models to all internal drug discovery projects.• Research engineering work focused on evaluating & benchmarking new artificial intelligence / machine learning (AI/ML) methodologies for small molecule generative modeling & high throughput proteomics screen analytics.• Championed modern software development & product practices on internal and cross-functional project teams. -
Senior Data ScientistPingthings Jul 2020 - Dec 2021Washington, District Of Columbia, Us• Hybrid Team Lead & Senior Contributor role reporting directly to the CEO.• Developed high-performance, big data analytics pipelines in Python on a unique industry-leading platform for time series analytics.• Presented platform demonstrations to high-value clients, and presented my projects to the national power engineering community.• Mentored team members and steered data science strategy in leadership meetings. -
Data ScientistFormation Bio Oct 2018 - May 2020New York, Ny, Us• Senior Data team member and mentor in machine learning, statistics, data analysis & visualization, programming, & git.• Developed Bayesian forecasting features for an operations model used to understand clinical trial recruitment performance.• Led a cross functional project to develop and productionize a machine learning-based patient lead ranker that led to a 9% increase in patient reachability.• Created an NLP-powered command line tool to extract information from physician notes to match patients to clinical trials.• Contributed to internal and cross-functional engineering projects regarding codebase refactoring & alerting.• Developed metrics to measure data quality on a unique healthcare data model.• Built time series models (SARIMA, recurrent neural networks, Bayesian structural time series, moving averages) for sensor data and marketing forecasts using Tensorflow and other libraries.• Technologies used: Python data stack, SQL, Looker, dbt, Redshift, & others• Wrote 2 blog posts for the TrialSpark Engineering blog.• Invited speaker to the American Physical Society’s annual meeting 2019, industry track. -
Technical Lead, Data TeamThemuse.Com Aug 2017 - Sep 2018New York City, New York, Us• Managed the Data team’s work regarding (i) analytics projects to support Leadership, Sales, Account Management, Marketing, and other internal teams, as well as (ii) infrastructure projects that scaled query capabilities and storage to over 5.4TB of data in AWS S3/Athena/Redshift.• Invited speaker & panelist at the EGG 2017 Data Science Conference. Also presented at the Dataiku Meetup as well as various internal presentations.• Made various individual contributions -
Senior Data ScientistThemuse.Com Sep 2016 - Jul 2017New York City, New York, Us• Developed & productionized machine learning models (NLP) for article recommendation (increasing clickthrough rates by >3x) and job classification (allowing the job board to scale from 1,000s to nearly 100,000 live jobs) in scikit-learn.• Created lead scoring models, statistical reports & dashboards, and productionized backend integrations with applicant tracking systems. -
Data ScientistThemuse.Com Oct 2015 - Aug 2016New York City, New York, Us -
Data ScientistHarmony Institute Sep 2014 - Oct 2015New York, Ny, Us• Wrote and maintained multiple ETL integrations with public data APIs in Python for StoryPilot, a data-driven web app created to help media makers better understand the social impact of over 500 documentary films in 16 social issue categories.• Contributed data analysis (social network analysis & others), codebase refactoring, and unit tests. -
SabbaticalRecurse Center Feb 2014 - May 2014New York, Ny, Us• Recurse Center is a "writers' retreat" for programmers of all experience levels.• I focused on writing ensemble machine learning algorithms from scratch, implementing new ML / computer vision methods from research papers, good Python programming practice, and some web development. -
Computational / Statistical Physicist (Phd Research)University Of California, Berkeley Aug 2008 - Dec 2013Berkeley, Ca, Us• Developed software for statistical simulations (using Langevin dynamics, Hamiltonian Monte Carlo & other techniques) to study shape transformations in cells (using C++), deployed these on distributed computing resources (using Bash / PBS), and analyzed data produced by these simulations (using Python).• Used git and Subversion for version control.• Built predictive models in Python based on first principles to explain collaborators’ experimental data.• Presented results in journal articles, posters, and 2 to 3 talks per year. -
Research AssociateThe Molecular Sciences Institute Aug 2006 - Aug 2008Milpitas, Ca, Us• Used modern quantitative experiments (FACS & microscopy + image analysis) to measure statistical variability in large populations of cells.• Cleaned, visualized, and presented these data to show these differences in observed cell phenotypes.• Discovered & shared insights about how the input-output of emergent signaling networks in yeast cells is fine-tuned.
Chris Ryan Skills
Chris Ryan Education Details
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University Of California, BerkeleyBiophysics -
New York UniversityBiology (Joint Minor In Computer Science & Mathematics)
Frequently Asked Questions about Chris Ryan
What company does Chris Ryan work for?
Chris Ryan works for Stealth
What is Chris Ryan's role at the current company?
Chris Ryan's current role is AI for science.
What is Chris Ryan's email address?
Chris Ryan's email address is cj****@****ley.edu
What is Chris Ryan's direct phone number?
Chris Ryan's direct phone number is +151631*****
What schools did Chris Ryan attend?
Chris Ryan attended University Of California, Berkeley, New York University.
What skills is Chris Ryan known for?
Chris Ryan has skills like Python, Git, Databases, C++, Statistics, R, Scientific Writing, Matlab, Latex, Markov Chain Monte Carlo, Cuda, Computer Science.
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