Jack Hartsell
Math Instructor, Data Scientist, Python Developer
Contact Info
| Address: | Waukegan, Illinois |
| Website: | linkedin.com/in/jackhartsell/ |
| Email: | KIRBYJ@etsu.edu |
Education
East Tennessee State University
Master of Science, Mathematical Sciences
Thesis: A Normal Form for Words in the Temperley-Lieb Algebra and the Artin Braid Group on Three Strands. Successfully defended on October 31st, 2018.
Advisor: Dr. Frederick Norwood
Committee Members: Dr. Robert Gardner, Dr. Rodney Keaton
External Examiner: Dr. Donald Good
Member of Kappa Mu Epsilon Honor Society
GPA: 3.67
Courses taken include:
- Predictive Analytics
- Preparation for Industrial Careers in Mathematics
- Real Analysis
- Graph Theory
- Modern Algebra
- Topology
- Knot Theory
East Tennessee State University
Bachelor of Science, Physics
Major in Physics with a Minor in Mathematics.
Awarded the 'Learning Experiences in Astronomy and Physics' (LEAP) merit scholarship by the NASA Tennessee Space Grant program and the ETSU Foundation in 2011.
Math courses taken include Linear Algebra, Calculus, Mathematical Logic, Introductory Modern Algebra, and Calculus-based Probability and Statistics.
Physics courses taken include Computational Physics, Thermodynamics with Kinetic and Statistical Physics, Classical Mechanics, Optics, Electricity and Magnetism, and Quantum Mechanics.
Certifications
Machine Learning
Coursera
An online non-credit Machine Learning course authorized by Stanford University, taught by Andrew Ng.
Verify at coursera.org/verify/NACHRDKMGFV4
Core Database Concepts
Coursera
An online non-credit course authorized by Arizona State University.
Verify at coursera.org/verify/485QZX7E7NR2
Experience
Nurturing Wisdom
Tutor
- Tutoring high school students in mathematics, geometry, and test prep for SAT and ACT.
- Responsible for providing support as a mentor and coach for executive functioning skills.
College of Lake County
Adjunct Faculty
- Served as instructor of record for courses covering statistics, set theory, symbolic logic, graph theory, probability, and finite combinatorics.
East Tennessee State University
Instructor
- Served as an instructor for two terms teaching Precalculus II and Trigonometry.
- Served as a teaching assistant to Assistant Professor Jamie McGill for an accelerated Precalculus I and II term, providing supplementary instruction to students and creating educational materials.
ETSU, Center for Academic Achievement
Math Tutor
- Assisted and instructed students in a variety of subjects including probability and statistics, linear algebra, and calculus.
- Provided remedial instruction in High School Mathematics.
Matt's Tech Shop
Technician and Customer Support
- Provided customer support regarding technical issues, both over the phone and in-store, with or without presence of the device.
- Issues included malfunctioning hardware or software, misconfiguration, and malware on Windows and Apple computers, as well as Android and Apple handheld devices, and various models of televisions and console gaming systems.
- Provided followup consultation to customers regarding scope and nature of technical issues, outlined steps to be taken to prevent them in the future.
- Updated and maintained SQL database of customer work orders to reflect current status, completion, order dates for parts required, and dates of important communications with the customers.
Nightech
SEO Consultant
- Completed the first phase of an on-page search engine optimization project with Nightech for their website at metasaver.com, a dynamic e-commerce review aggregation site.
- Delivered positive increases in search engine rankings for several keywords, resulting in more traffic and thus more customers.
- Researched, discovered, and exploited opportunities that were missed by their competitors in search engine rankings.
GB Ventures LLC
Digital Marketing Consultant
- Functioned as an SEO and online marketing consultant.
- Developed a brand presence for their flagship website via paid social media advertisements.
ETSU Department of Biology
Student Worker
- Constructed 3D models of paleolithic life forms using industry standard software (Maya, Blender).
ETSU Bureau of Business and Economic Research
Student Worker
- Duties included basic clerical and administrative assistance.
- Assisted with research via data collection from academic databases and cold calling.
- Used Excel to organize and deliver data collected for various projects.
Projects
Yelp Review Useful Rating Prediction
- Used Python to build a predictive model of the projected influence of reviews on Yelp.
- Created inputs for the predictive model via text-mining of reviews.
- Implemented both Random Forest and Neural Networks for the predictive model, with calculations ran using NVIDIA's CUDA technology as an interface for GPU based computing.
- Used Tableau for creating presentations of the project's findings.
- Coordinated project with, and provided results to, a business liaison from Chick-Fil-A, the project's sponsor.
Kaggle - Otto Group Product Classification Challenge
https://www.kaggle.com/c/otto-group-product-classification-challenge
- Created a neural network to better sort products into appropriate categories so that product performance could be more consistently compared with other products of the same category.
- Placed in the top 25%
Kaggle - Avazu Mobile Marketing CTR Prediction
https://www.kaggle.com/c/avazu-ctr-prediction
- Used machine learning to predict click-through rates of mobile ads given 11 days worth of advertising data.
- Best answer submitted utilized adaptive learning rate logistic regression with L1/L2 regularization in Python.
- Experimented with alternative methods utilizing the Scikit-learn, Pandas, and Numpy libraries.
- Also experimented with using SQL and MongoDB databases instead of the raw .csv file provided.
Presentations
Departmental Presentation - Analyzing and Predicting Influence of Yelp Reviews
Using text mining to extract inputs for a predictive model capable of forecasting the influence of reviews of restaurants on Yelp.com, and yielding insights relevant to business decisions that influence the quality of service and customer experience.
Technical Strengths
| Computer Languages | Python, SQL, Elixir, JavaScript, Erlang, Go, C, C++, C#, Fortran |
| Markup Languages | Latex, HTML, XML, JSON, Markdown |
| Software | Microsoft Word, Microsoft Excel, Microsoft Office Suite, Notepad++, Github, Sublime Text, PyCharm |
| Platforms | Linux, MacOS, Windows Server and Desktop, iOS, Android |
| Other | Predictive Analytics, Supervised Machine Learning, Unsupervised Machine Learning, Neural Networks, Deep Learning, Data Mining, SQL, MongoDB, Tableau, Docker, Vagrant, VMWare, HyperV, Parallels, VirtualBox, pfSense, openWRT, Raspberry Pi, Relational Databases, NoSQL Databases |
References
Dr. Frederick Norwood
Professor, East Tennessee State University
423-439-6972 / norwoodr@etsu.edu
Dr. Robert Gardner
Professor, East Tennessee State University
Department Graduate Student Coordinator
423-439-6979 / gardnerr@etsu.edu
Deidre R. Johnson
Learning Services Coordinator, Center for Academic Achievement, ETSU
Office: 423-439-7121
Cell: 423-957-9585 / johnsondr4@etsu.edu
Jamie W. McGill
Assistant Professor, East Tennessee State University
Office: 423-439-6434
Cell: 423-741-3211 / mcgillj@etsu.edu
Matthew Graybeal
Owner and Technical Lead, Matt's Tech Shop
Cell: (276) 759-1595