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Tutor profile: John O.

John O.
Data Scientist at IBM with 3+ years in data science. Proficient in Python, R and SQL. Master's in Informatics from Northeastern University


About John

About John
My name is John and I work as a data scientist for IBM as a contractor. I have several years of experience in data science and project management. I have two master's degrees, one in Informatics with a concentration in Data Analytics from Northeastern University. The other is in Chemical Engineering from Universidad de Los Andes. Moreover, I am fluent in English and French, my native language is Spanish. Finally, my passion is music.

Teaching Experience

Teaching Experience
I worked as a graduate Teaching Assistant for two years at the Universidad de Los Andes on the course of Design of Experiments. Before that, I worked as a freelancer helping students on a wide range of subjects including: Simulation, Statistics, Optimization, and Chemical Reaction Engineering.
Northeastern University
Master's Degree
2018 - 2020
Universidad de Los Andes
Chemical Engineering
Master's Degree
2014 - 2016
Universidad de Los Andes
Chemical Engineering
Bachelor's Degree
2007 - 2011

Work Experience

Work Experience
IBM, Data Scientist
2020 - 2021
Work as a contractor for IBM on the "Economista Artificial" (Artificial Economist) project. My role included the following tasks. • Develop and execute the three analytical layers for text mining and behavioral finance prediction. • Optimize the execution time of the classification models through parallel programming. Decreasing running time by 60% and memory errors by 90%. • Streamline the data cleaning process of texts via Web Scraping and NLP. Overall 200,000 news articles across different websites were scraped and cleaned.
CareerAgility LLC, Data Scientist
2020 - 2020
• Manage the development team of a customized Natural Language Processing (NLP) application to analyze survey responses about the workplace environment. • Develop the methodology and NLP application. Our team developed a solution that exceeded the sponsor's expectations and became the baseline solution for semi-automatic text analysis that analyzes trends in survey data.
Global Resilience Institute, Business Information Analyst
2019 - 2020
• Streamline bi-monthly finance reports, decreasing wasted time by 100% and validating organizational and strategic decisions. • Evaluate and present detailed reports about the success of the seed grant program to the leadership board, identifying the KPIs and contributing factors for its success. • Increase the visibility of the business development projects across the company, enhancing the ability to share information across departments and allowing better data-driven decision-making.
EquipNet, Project Manager
2016 - 2018
• Implement the PMP project life cycle on over 60+ projects of sale/procurement of used plant and laboratory equipment with a value of $4 M, keeping project ownership from initial phases to project closure. Proficient at achieving measurable goals, troubleshooting, and ensuring client expectations were met. • Gain market intelligence and develop corresponding strategies that lead to increased revenue of over $100 K on equipment sales. • Cultivate sustainable professional business relationships with multinational corporate sponsors, achieving...
Universidad de los Andes, Graduate Teaching Assistant
2014 - 2016
• Codirect 3 undergraduate thesis in the Chemical Engineering Department. • Redefine the thematic of the Design of Experiments course by adding additional courses on computational tools (Matlab/Minitab) which gave a more complete preparation to the students. • Increase the course level and interest of the students. Positive feedback about the course increased by 30%.


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