Mariusz Michalski

Main data visualization specialist in the company. Created the visualization part of the main company dashboards (called Huuuge Central Dashboard). Responsible for maintaining the most important company dashboards and whole Tableau Server. Creating monitoring dashboards in Grafana and Databricks SQL Analytics. Creating and editing aggregated tables, creating tables for Tableau usage. Working with Tableau, Grafana, Snowflake, Databricks (scala/python/R/spark SQL), Git (Bitbucket), Airflow.

Responsible for processing and analyzing large datasets for economy and operations departments, as well as for members of executive management. Creating analysis and scheduled queries concerning economy changes, promotions or new game features. Creating main game economy and new features Tableau dashboards and training other team members in using Tableau desktop and working with Tableau server. Creating automated analysis and presentations using R/Markdown. Working with Presto, Snowflake, Tableau and R.

Building interactive dashboards in Tableau Desktop for various company departments (Finance, Marketing, Sales etc., including reports for C-level employees). Creating custom SQL queries and pulling data for Tableau from MySQL database. Created daily updated Facebook dashboard using R (connecting with Facebook graph API) and Tableau, also created Twitter report using R (connecting with Twitter API, text mining using NLP techniques). Web scrapping and data wrangling using R. Creating VBA macros.

Directly responsible for processing of seven Mercer energy sector remuneration surveys. Project planning and managing, developing survey questionnaires, cleaning and preparing data for survey reports. Cooperating with consultants from US and Canada, as well as with other Warsaw Centre teams. Preparing internal presentations concerning current US and Canadian Energy market situation. Developing Excel macros using Visual Basic for Applications (VBA). Working on Oracle based SQL relational database.

Helped in organizing various events (such as 2013 Free Market Road Show Conference in Warsaw), collected and processed information and data published by international organizations (IMF, World Bank, OECD), government and EU agencies. Prepared analysis concerning fiscal consolidation in Finland and Baltic States. Translated two text for blog purposes (Blog Obywatelskiego Rozwoju).

Prepared an analysis concerning functioning of fiscal federalism in selected countries (with conclusions for Euro Area), provided administrative help.

Helped in organizing Public Debate Forum and President’s Expert Program. Provided administrative help for Secretary of the State and Program Proposals Office Directors, collected information and data about The Government Pension Fund of Norway and global energy sector (mainly information concerning renewable energy sources).

Data Science - algorithms, tools and applications for Big Data analysis.

Macroeconomic analysis

Managerial economics