John Achek Email & Phone Number

United States

Act as a subject matter expert on connecting user and product data to derive analytical insights for sales, product, and executive teams with the use of advanced Tableau, complex SQL, Excel, and Python data libraries.• Delivered analytics’ insights to sales and product management, though product use analysis which indirectly resulted in the overall 19% year over year sales growth.• Identified a key data error through EDA (SQL and Tableau), within first 3 months of starting, that… Show more Act as a subject matter expert on connecting user and product data to derive analytical insights for sales, product, and executive teams with the use of advanced Tableau, complex SQL, Excel, and Python data libraries.• Delivered analytics’ insights to sales and product management, though product use analysis which indirectly resulted in the overall 19% year over year sales growth.• Identified a key data error through EDA (SQL and Tableau), within first 3 months of starting, that resulted in a single 20% data quality increase• Initiated and implemented 2 data projects in my first 6 months to increase data literacy across organization, helped define scope of possible requests and share insights. Show less

United States

Daily 8 hour in- and additional 8 hours out of class immersion in Data Science, collecting, cleaning, analyzing, preprocessing data and building various ML models, including recommenders, sentiment analysis and decision trees classifiers. • Collaborated with teammates to deliver 2 machine learning projects (simple regression and stacking of linear regression, decision trees and NN models).• Worked on additional individual 3 machine learning projects with mock and real world… Show more Daily 8 hour in- and additional 8 hours out of class immersion in Data Science, collecting, cleaning, analyzing, preprocessing data and building various ML models, including recommenders, sentiment analysis and decision trees classifiers. • Collaborated with teammates to deliver 2 machine learning projects (simple regression and stacking of linear regression, decision trees and NN models).• Worked on additional individual 3 machine learning projects with mock and real world data.• Closely worked with available and self-assembled datasets of various complexity and size: Reddit (web scrape), population (US Census), unemployment (US DOL), Yelp reviews academic.• Acquired proficiency in linear regression modeling, web scraping, NLP, decision trees, and stacking techniques through implementation of multiple data science projects Show less

• Designed and configured databases and developed backend support for 30+ web applications.• Ensured the team met project requirements, achieving a 95% client satisfaction rate and 90% deadline compliance.

• Constructed backend apps and databases for 6+ projects.• Reviewed Python code to troubleshoot and improve the performance of 10+ projects.

• Produced Django templates for the backend framework in 3 projects.• Wrote 4 multiprocessing web scrapers using BeautifulSoup and Requests libraries.

M-Vector Research and Consulting, International, Nov 2013 – Mar 2016Directed a team of analysts on research projects of a social, marketing, and economic nature.• Overviewed implementation of 50+ research projects from early definition to end results’ delivery.• Met with client representatives to define tasks, scope, budget, and timelines.• Achieved a total research projects cost of $2 million.

Developed data collection tools and methods, processed, organized, prepared and analyzed collected data. • Devised and executed data collection methods and instruments for 35+ projects• Improved client satisfaction by introducing multilingual background data search, including research not available in local language (English)

Data Science Immersive Certificate, Information Technology

An immersive and intense course in Data Science from General Assembly with implemented machine learning projects with linear and logistic.

Master'S Degree, Economic Governance And Development

Bachelor, Marketing/Management