John Walker work email
- Valid
- Valid
- Valid
- Valid
John Walker personal email
John Walker phone numbers
Current machine learning data scientist at CVS Health with a PhD in Cognitive Neuroscience from the University of Illinois at Urbana-Champaign. Skilled in the areas of exploratory data analysis, regression models, Bayesian statistics, and machine learning.Languages: Python, MATLAB, SQL, Shell Scripting familiar with R, C++, Java, HTMLTools: Pandas, NumPy, SciPy, Scikit-Learn, Git, Jupyter Notebooks, NLTK, Gensim, SpaCy, TensorFlow, Matplotlib, Seaborn, Docker, Bootstrap (Intermediate), Flask (Intermediate)Techniques: Bayesian Modeling, Bootstrapping, Exploratory Data Analysis, Experimental Design, Hypothesis Testing, Machine Learning (Linear and Logistic Regression, Boosted Decision Trees, Random Forests, k-NN, k-means, neural networks, SVM), Multivariate Statistics, NLP, Word2Vec, Time-Series
-
Lead Director - Data ScienceCvs Health Apr 2023 - PresentWoonsocket, Ri, Us -
Principal Data ScientistCvs Health Dec 2020 - Apr 2023Woonsocket, Ri, Us
-
Lead Data ScientistCvs Health Feb 2020 - Dec 2020Woonsocket, Ri, Us
-
Senior Data ScientistCvs Health Oct 2018 - Feb 2020Woonsocket, Ri, Us
-
Insight Data Science FellowInsight Data Science Jun 2018 - Oct 2018San Francisco, Ca, Us• Consulted for Phraze, Inc. on classifying speech from doctor-patient interactions into topics that can be used to fill out electronic medical records• Trained and validated a SVM using NLP techniques in Python to classify the speech to text translations, delivering the classifier pipeline in a Docker container• Cleaned and analyzed 9000+ utterances between doctor and patient, producing actionable recommendations for improvement to their speech to text pipeline -
Postdoctoral FellowNorthwestern University - The Feinberg School Of Medicine Sep 2016 - Oct 2018Chicago, Il, UsAdvisor: Joel L. Voss• Built a pipeline in MATLAB to take raw time-series data of electrophysiological recordings from epileptic patients and analyze their spectrographic properties• Analyzed 250+ GB of fMRI data using MATLAB and developed a statistical model to explain the effects of Transcranial Magnetic Stimulation (TMS) on memory networks• Constructed a pipeline for preprocessing and analysis of TMS data for lab use• Designed and programmed multiple experiments in MATLAB and Python to examine memory retrieval processes in the brain -
Graduate Research AssistantUniversity Of Illinois At Urbana-Champaign Aug 2009 - Aug 2016Champaign, Il, UsAdvisor: Neal J. CohenCo-Advisors: Gabiele Gratton, Monica Fabiani• Developed program of research to examine retrieval of information in the brain, the first to demonstrate the timing and location of memory reactivation and resulting in three peer-reviewed publications and 10+ conference presentations• Lead and mentored a group of 2-3 undergraduate research assistants• Built and programmed custom eye-tracker for infant eye tracking -
Research AssistantUcla Aug 2008 - Jul 2009Los Angeles, Ca, UsFaculty Advisor: Russel PoldrackGraduate Student Advisor: Jessica Cohen• Ran 10+ participants through an fMRI experiment exploring the commonalities in brain activation for different tasks labeled as “cognitive control”• Preprocessed and analyzed fMRI data using Matlab resulting in a publication -
Lab AssistantUcla Dec 2006 - Jul 2009Los Angeles, Ca, UsFaculty Advisors: Robert Bjork, Elizabeth BjorkGraduate Student Advisor: John Nestojko• Designed, created, and ran own experiment for senior thesis examining the effects of remembering a word on forgetting similar words resulting in publication in undergraduate journal• Programed experiments in Java, Visual Basic, and Powerpoint for graduate students• Ran hundreds of participants through experiments resulting in 3 poster presentations • Constructed and administered lab website
John Walker Skills
John Walker Education Details
-
University Of Illinois Urbana-ChampaignCognitive Neuroscience -
UclaCognitive Science
Frequently Asked Questions about John Walker
What company does John Walker work for?
John Walker works for Cvs Health
What is John Walker's role at the current company?
John Walker's current role is Director of Data Science.
What is John Walker's email address?
John Walker's email address is wa****@****ois.edu
What is John Walker's direct phone number?
John Walker's direct phone number is +166131*****
What schools did John Walker attend?
John Walker attended University Of Illinois Urbana-Champaign, Ucla.
What skills is John Walker known for?
John Walker has skills like Fmri, Eeg, Diffusive Optical Imaging, C++, Java, Html, Xml, Php, Spss, Statistics, Cognition, R.
Free Chrome Extension
Find emails, phones & company data instantly
Aero Online
Your AI prospecting assistant
Select data to include:
0 records × $0.02 per record
Download 750 million emails and 100 million phone numbers
Access emails and phone numbers of over 750 million business users. Instantly download verified profiles using 20+ filters, including location, job title, company, function, and industry.
Start your free trial