Oleksa Stepaniuk Email & Phone Number

Lviv Region, Ukraine

As a Data Scientist at Limelight Networks - one of the top 5 content delivery networks, I develop tools to detect anomalous behavior of content delivery servers or HTTP errors. I also model network capacity and create visualization apps that decrease the necessary time between problem detection and Ops engineer reaction.Also:- built system for automatic.

Manchester, United Kingdom

- Generalised the idea of Hybrid exponential smoothing - RNN model introduced by Slawek Smyl by building a hybrid neural network with entity embeddings model- Applied hybrid model to forecasting time-series with sparse data and a massive set of exogenous categorical variables- Identified cases where hybrid model outperforms default neural network with.

Lancaster, United Kingdom

- Designed a novel method of constructing a database of spam tweets by systematically scrapping information on accounts that were blocked by Twitter- Built a classification algorithm for identifying spam tweets using the support vector machines and logistic regressions- Scraped, cleaned, and assimilated Twitter data as inputs to the classification algorithm

Kyiv, Ukraine

- Worked as an external data analyst for the Ministry of Economic Development of Ukraine. I wrote papers that influenced Draft laws submitted to the Parliament and Decrees prepared by the Government (also, our research was cited by Wired). My responsibilities included both ‘consulting’ (meetings with clients, presenting results) and ‘data science’ tasks.

Braunschweig Area, Germany

For one month I worked as a visiting researcher at the von Thünen Institute (Institute of Market Analysis division). While there I updated the database for the partial equilibrium model of Ukrainian agricultural sector (AGMEMOD model) and began working on extending model to include producer costs, regions and types of producers. After returning to Ukraine.

Kyiv, Ukraine

I co-authored the international trade chapter of the AGRICULTURE AND RURAL DEVELOPMENT STRATEGY 2015–2020 jointly developed by the Ukrainian Ministry of Agrarian Policy and the EU Commission.In addition, I performed econometrical analysis of agricultural sector for the Institute's clients, like Swedish International Development Cooperation Agency, EU.

Kyiv, Ukraine

I represented Ukraine in the AGRICISTRADE international research project. It included researchers from all the Commonwealth of Independent States (CIS) countries as well as Austria, Germany, Latvia, Netherlands, Slovenia and was financed by the EU Commission.I wrote a country report in which analyzed the current state of the Ukrainian agricultural sector.

Kyiv, Ukraine

I initiated a joint project between German-Ukrainian Agricultural Policy Dialogue and the Johann Heinrich von Thuenen Institute (Germany) aimed at developing the Ukrainian extension of the AGMEMOD partial equilibrium model. AGMEMOD is a system of interlinked models that represent the agricultural sector of each of the EU member states. Model is used by the.

Kyiv, Ukraine

I created an automated system for client segmentation using SAS software and developed the predictive client churn model (a model that predicts the probability of losing a client).In addition, I analyzed the results of the sales campaigns and described patterns of clients’ behavior using Banks database.

Master Of Science - Ms, Data Science, Average Grade 82.2% (A+). Distinction

Activities and Societies: Student representative for the MSc Data Science program, Member of Hiking and Calisthenics societies Thesis.

Master Of Arts In Economics, Economics

Thesis: Corporate Tax Competition and Capital Allocation. OECD Evidence

Bachelor'S Degree, Finance, General, Degree With Distinction