Experience

Girls Code Fun

• Poland
• Civic and Social Organizations
• 1 - 100 Employee

• Trainer

  • Nov 2022 - Present

  Teaching programming in Python as part of the Steam Academy project Teaching programming in Python as part of the Steam Academy project



Grupa Helion SA

• Poland
• Book and Periodical Publishing
• 1 - 100 Employee

• Author of Data Science video courses

  • Nov 2022 - Present



Anna Kotarba

• Trainer

  • Apr 2016 - Present

  Providing training in data analysis and machine learning, working with Python and R languages. Basic as well as advanced training. Tailoring the training programme to the needs of clients from different industries. Providing training in data analysis and machine learning, working with Python and R languages. Basic as well as advanced training. Tailoring the training programme to the needs of clients from different industries.



Uniwersytet WSB Merito Gdańsk

• Poland
• Higher Education
• 100 - 200 Employee

• Lecturer

  • Mar 2021 - Present

  Lecturer specializing in the application of Big Data in Internet Marketing. Lecturer specializing in the application of Big Data in Internet Marketing.



Silnia - Usługi Analizy Danych dla Firm

• Poland
• Professional Training and Coaching

• Owner

  • Apr 2016 - Present

  👉 I help businesses and individual clients extract valuable insights from data: Developing research methodologies and defining analysis scopes. Analyzing data and creating comprehensive reports. Building statistical models to derive actionable conclusions. Educating on understanding available data. 🎓 As a patient educator, I simplify complex mathematics: Offering tutoring in advanced mathematics. Instructing in Polish, English, and German. Experienced in teaching students from international universities. 📚 I conduct training sessions on statistical data analysis: Demonstrating data analysis techniques and drawing meaningful conclusions. Proficient in various data analysis tools: Excel, SAS, Statistica, SPSS, Stata, Gretl, R, and Python. Show less



Wyborcza.pl

• Online Audio and Video Media
• 100 - 200 Employee

• Senior Data Scientist

  • Aug 2019 - Jul 2022

  Developing and implementing advanced propensity to buy models to predict user behavior and increase subscription conversions. Designing churn models to identify key factors impacting customer attrition and analyzing retention and subscriber engagement. Conducting user segmentation analyses to enable personalized offers and marketing activities. Leveraging various machine learning techniques to optimize predictive models and data analysis. Analyzing and interpreting model outcomes, presenting complex results in a comprehensible manner, facilitating strategic decision-making. Actively collaborating with product, marketing, and analytics teams to understand business needs and deliver valuable insights from data analysis. Monitoring results and making model enhancements to ensure their relevance and effectiveness in the dynamic environment of newspaper subscription business. Show less



DBMS Sp. z o.o.

• Poland
• Advertising Services
• 1 - 100 Employee

• Researcher

  • May 2020 - Dec 2020

  Conducting data analysis of companies to identify key indicators and factors influencing their credibility. Designing and implementing statistical models and machine learning algorithms to assess and classify the credibility of firms. Optimizing and validating models to ensure high accuracy and effectiveness. Analyzing and interpreting model results to provide valuable recommendations for project stakeholders. Preparing reports and presentations showcasing project progress and obtained results. Collaborating with the project team. Show less



VeloBank S.A.

• Poland
• Financial Services
• 700 & Above Employee

• Model validation specialist

  • May 2014 - Apr 2016

  Specialist in Model Validation with experience in analyzing and evaluating internal risk models in a bank, covering credit, market, liquidity, and interest rate risk areas. Adapting model creation and validation methodologies to comply with relevant regulations, particularly the recommendations from the Polish Financial Supervision Authority (KNF). Assessing model performance and accuracy, ensuring compliance with regulatory requirements and industry best practices. Collaborating with cross-functional teams, including Risk Management and Compliance, to validate and enhance risk models across different business lines. Conducting testing and validation of models to ensure their robustness and reliability. Preparing comprehensive validation reports, documenting findings, and providing actionable recommendations. Supporting model development teams in refining and enhancing models based on validation outcomes. Show less



KRUK S.A.

• Poland
• Financial Services
• 500 - 600 Employee

• Analyst

  • Nov 2011 - Apr 2014

  Creating reports and analyses to support operational processes. Building and validating scoring models to optimize operational workflows. Valuing debt portfolios, enabling estimation of their value and associated risk. Conducting training sessions on data analysis using Excel and OLAP tools, empowering effective data utilization in business processes. Creating reports and analyses to support operational processes. Building and validating scoring models to optimize operational workflows. Valuing debt portfolios, enabling estimation of their value and associated risk. Conducting training sessions on data analysis using Excel and OLAP tools, empowering effective data utilization in business processes.



Znak Publishing Group, Znak Horyzont

• Wrocław, woj. dolnośląskie, Polska

• Reviewer, Translator

  • Jul 2007 - Nov 2011

  Translation of children's books from German into Polish. Preparation of internal reviews of German-language books. Translation of children's books from German into Polish. Preparation of internal reviews of German-language books.