Alex Zajichek

Alex Zajichek Email and Phone Number

Statistician/Data Scientist @ CentralStatz Statistical & Data Sciences LLC
Wausau-Stevens Point Area
Alex Zajichek's Location
Wausau, Wisconsin, United States, United States
Alex Zajichek's Contact Details

Alex Zajichek personal email

n/a
About Alex Zajichek

Statistician/data scientist in Central Wisconsin interested in statistical analysis + software development.

Alex Zajichek's Current Company Details
CentralStatz Statistical & Data Sciences LLC

Centralstatz Statistical & Data Sciences Llc

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Statistician/Data Scientist
Wausau-Stevens Point Area
Website:
centralstatz.com
Employees:
1
Alex Zajichek Work Experience Details
  • Centralstatz Statistical & Data Sciences Llc
    Centralstatz Statistical & Data Sciences Llc
    Wausau-Stevens Point Area
  • American College Of Chest Physicians
    Statistical Reviewer
    American College Of Chest Physicians Jun 2024 - Present
    Glenview, Il, Us
    Review statistical aspects of submissions to the CHEST Journal for publication https://journal.chestnet.org/
  • Centralstatz Statistical & Data Sciences Llc
    Statistician/Owner
    Centralstatz Statistical & Data Sciences Llc Apr 2024 - Present
    Statistical and data science consulting in Central Wisconsin.
  • Cleveland Clinic
    Research Data Scientist Ii
    Cleveland Clinic Feb 2023 - Present
    Cleveland, Ohio, Us
    Software Development:- Created, administer and contribute to department's GitHub organizational account for open-source development (https://github.com/ClevelandClinicQHS)- Open-sourced R code for (and developer of) R Shiny applications on riskcalc.org- Developer/maintainer of R packages {riskcalc}, {QHScronomo}- Integration of Azure DevOps in workflow for statistical project management and version controlData/statistical analysis:- Design modeling frameworks and statistical project plans for observational research studies, promoting actionable results- Build models and analysis to answer research questions including clinical risk prediction, propensity scoring, survival analysis, etc.- Create data pipelines and analysis workflows with R Markdown emphasizing interactive analytic content with plotly, reactable, leaflet, etc.- Write SQL queries to extract EHR data from Epic Clarity and the research data warehouse- Write sections of grants and manuscripts
  • Aspirus Health
    Data Scientist
    Aspirus Health Jan 2023 - Sep 2023
    Wausau, Wisconsin, Us
  • Aspirus Health
    Data Scientist
    Aspirus Health Nov 2020 - Jan 2023
    Wausau, Wisconsin, Us
    Collaborated with clinical/operational leadership and staff across the health system to measure outcomes, provide insights, develop data tools and analyses, and identify opportunities for improving patient care, hospital/clinic operations, and business outcomes. Used SQL (Epic Caboodle) and QlikSense to extract and clean data from various sources, R Markdown to build annotated and interactive data stories, and R Shiny to create exploratory applications. Specific project:- Built and manage an ETL process and front-end display from raw data files and various sources to achieve a centralized data model that enables readily available access, benchmarking, and insights from the Vizient Clinical Database across the health system through Qlik Sense- Developed R Shiny applications to explore "what-if" scenarios, identify areas of improvement, and assess financial impact on clinical documentation improvement and Quality programs such as the Hospital Readmission Reduction Program (HRRP), Hospital Value-Based Purchasing (HVBP), and the Leapfrog Safety Grade- Developed methodology, documentation and measurement/monitoring mechanisms for key clinical and operational metrics
  • Sentry
    Advanced Analytics Modeler
    Sentry Jan 2020 - Oct 2020
    Stevens Point, Wi, Us
    - Built a text mining tool in Python's spaCy framework to mine custom pattern sets from claim notes- Integrated and productionized producer activity text data into predictive models to enhance prospect prioritization- Created Tableau dashboards to explore geographic impact of pricing models and underwriting issues- Contributed in building pricing models for insurance products
  • Cleveland Clinic
    Biostatistician
    Cleveland Clinic Aug 2019 - Dec 2019
    Cleveland, Ohio, Us
  • Cleveland Clinic
    Biostatistician
    Cleveland Clinic Jun 2017 - Aug 2019
    Cleveland, Ohio, Us
    - Built, automated, and operationalized a predictive model to identify patient's at high risk for appointment no-show- Developed R Shiny web applications to implement risk prediction models for clinical use- Used NLP models to identify mild/moderate occurrences of hypoglycemic events from clinical notes - Conducted statistical analysis to identify drivers of outcomes for various patient cohorts- Collaborated with investigators, researchers, clinicians, and pharmaceutical companies on health outcomes research projects using EHR and registry data- Contributed in writing sections of grants and manuscripts- Caregiver Excellence Award, 2018-Q2
  • University Of Iowa
    Graduate Teaching Assistant
    University Of Iowa Aug 2015 - May 2017
    Iowa City, Iowa, Us
    - Assisted in teaching, grading papers, leading discussions, etc. for undergraduate statistics courses
  • Act
    Business Intelligence Developer Intern
    Act May 2016 - Aug 2016
    Remote, Us
  • Trane
    Transportation Analyst Intern
    Trane Mar 2014 - Mar 2015
    Us

Alex Zajichek Skills

R Sql Java Data Analysis Statistics Machine Learning Teaching Customer Service Research Problem Solving

Alex Zajichek Education Details

  • University Of Iowa
    University Of Iowa
    Statistics
  • University Of Wisconsin-La Crosse
    University Of Wisconsin-La Crosse
    Statistics

Frequently Asked Questions about Alex Zajichek

What company does Alex Zajichek work for?

Alex Zajichek works for Centralstatz Statistical & Data Sciences Llc

What is Alex Zajichek's role at the current company?

Alex Zajichek's current role is Statistician/Data Scientist.

What is Alex Zajichek's email address?

Alex Zajichek's email address is al****@****rus.org

What schools did Alex Zajichek attend?

Alex Zajichek attended University Of Iowa, University Of Wisconsin-La Crosse.

What skills is Alex Zajichek known for?

Alex Zajichek has skills like R, Sql, Java, Data Analysis, Statistics, Machine Learning, Teaching, Customer Service, Research, Problem Solving.

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