Stephen Williams

Stephen Williams Email and Phone Number

Statistician | Data Scientist @ Navy Federal Credit Union
vienna, virginia, united states
Stephen Williams's Location
Fairfax, Virginia, United States, United States
Stephen Williams's Contact Details

Stephen Williams work email

Stephen Williams personal email

About Stephen Williams

Data scientist with experience in data modeling, statistical inference, machine learning, and deep learning. With a background in economics and statistics, my passion for empirical analysis attracted me to the data science discipline. I aim to pair with a company that facilitates my continued growth as a data scientist.

Stephen Williams's Current Company Details
Navy Federal Credit Union

Navy Federal Credit Union

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Statistician | Data Scientist
vienna, virginia, united states
Website:
navyfederal.org
Employees:
12347
Stephen Williams Work Experience Details
  • Navy Federal Credit Union
    Senior Data Scientist
    Navy Federal Credit Union Oct 2024 - Present
  • Deloitte Consulting
    Senior Consultant, Strategy And Analytics
    Deloitte Consulting Jun 2024 - Oct 2024
    United States
  • Deloitte Consulting
    Consultant, Strategy And Analytics
    Deloitte Consulting Jul 2022 - Jun 2024
    United States
    - Introduced time series cross-validation model development techniques and additional model types to improve client cash forecast accuracy on the order of millions of dollars. This enabled stakeholders to have more confidence in anticipatory decision-making derived from prescriptive analyses.- Incorporated additional assumption diagnostics and remedies in conjunction with filtering and cross-correlation functions to test for intertemporal relationships among general ledger accounting codes. This aided in the discovery of statistical relationships between financial variables and candidate covariates and accommodated client interest in hypothetical analysis.- Corresponded and collaborated with stakeholders and subject matter experts to build requirements for audit oversight procedures.- Led an analytics team to develop data pipelines in Databricks and automate report processes. This automation allowed the client to have oversight over reports for auditing purposes, identifying human error and discrepancies between accounting source system file data and service provider data.
  • Guidehouse
    Consultant, Advanced Solutions Segment
    Guidehouse Jul 2020 - Jul 2022
    - Migrated data ETL processes to Databricks for increased transparency, fidelity, and scalability- Built Tableau dashboards that inform and allow clients to make data driven decisions- Devised new scoring methodologies that enabled the measurement of computer network vulnerability exposure and the identification of stakeholder entities at risk- Trained an ensemble classifier that identified acceptable clauses in End-User License Agreements- Created R scripts that automated the generation of individualized reports from Excel files- Improved accuracy of client payroll forecasts with SARIMA models and gradient boosted decision tree ensembles
  • Varsity Tutors
    Private Instructor
    Varsity Tutors Sep 2017 - Jul 2020
    - Focus in statistics and empirical methodologies such as classical probability, ANOVA, and advanced econometric techniques- Provide training and support for statistical software such as STATA and R- Clarify academic literature and advanced mathematical concepts
  • Pioneer Natural Resources Company
    Engineering Analyst Intern
    Pioneer Natural Resources Company May 2016 - Aug 2016
    5205 N O'Connor Blvd #200, Irving, Tx 75039
    - Used well data to analyze relationships among measured variables to downtime- Preliminary inspection and preparation of the data was done in Excel and Spotfire- Regression models and associated diagnostics were run in R-Studio- Performed clustering analysis in Microsoft Azure- Graphics were generated in R-Studio, MATLAB, and Spotfire.
  • The University Of Texas At Arlington
    Graduate Teaching Assistant
    The University Of Texas At Arlington Sep 2014 - Aug 2015
    - Proctored and graded examinations, assignments, and research papers- Developed teaching materials such as visual aids, answer keys, and notes- Oversaw procedures for completing and submitting class work

Stephen Williams Skills

Memory Supplies Column Significance Construction Natural Resources Literature Jupyter Decomposition Numpy Replication Canadian Data Transformation Convolutional Neural Networks Machine Learning Regression Analysis Statistics Checking Redundant Correlation Drift Gauss Scikit Learn Source Lean Manufacturing Accounting Execution Eviews Comprehension Dependent Stochastic Methods Construct Forecasting System Google Cloud Possibility Tests Deep Learning Radio Access Network Default Concept Design Element Trace Equation Sum Tables Variables Microsoft Excel Testing Serial Straightforward Statistical Modeling K Nearest Neighbors Aic Root Pandas R Support Vector Machine Project Estimation Power Residuals C Time Series Univariate Kind Pth Data Analysis Render Damages Detail Evidence Matplotlib Operations Surprise Degrees Weaving K Means Clustering Supervised Learning Unsupervised Learning Remember Data Logging Project Sql Revelation Paper Presentations Yield Var Distribution International Economic Statistics Monetary Economics Obtain Normalization Estimate Global Finance Helpful T Test Stat Parametric Diagnostics Regression Testing Anaconda Sas Software Span Stata Stocks Structural Engineering Matrices Python Cluster Analysis Throwing Disposal Sic Random Forest

Stephen Williams Education Details

Frequently Asked Questions about Stephen Williams

What company does Stephen Williams work for?

Stephen Williams works for Navy Federal Credit Union

What is Stephen Williams's role at the current company?

Stephen Williams's current role is Statistician | Data Scientist.

What is Stephen Williams's email address?

Stephen Williams's email address is sm****@****ail.com

What schools did Stephen Williams attend?

Stephen Williams attended Flatiron School, The University Of Texas At Dallas, The University Of Texas At Arlington, The University Of Texas At Arlington.

What skills is Stephen Williams known for?

Stephen Williams has skills like Memory, Supplies, Column, Significance, Construction, Natural Resources, Literature, Jupyter, Decomposition, Numpy, Replication, Canadian.

Who are Stephen Williams's colleagues?

Stephen Williams's colleagues are Money Man, Antonio Lozada, Jolene Garcia, Kimberly Martus, Kortney Harris, April Mcreynolds, Chris Christopher.

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