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Dan Lewis

Dan Lewis

PhD student (mathematics)

University of Arizona | Tucson, AZ


My Portfolio Highlights

My New Project

Dr. Semmelweis and the Discovery of Handwashing

My New Track

SQL Fundamentals

My New Course

Introduction to Python

Mathematician, teacher, and data scientist driven to explain complex concepts in terms as simple as possible. Now looking to apply problem-solving skills to the role of Data Scientist.

My Work

Take a look at my latest work.


Data Manipulation with pandas


Introduction to Python


Intermediate Python

My Certifications

These are the industry credentials that I’ve earned.

Other Certificates

DataCamp Data Scientist with Python track completion

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

University of Arizona | Sep 2019 - Present

Graduate Teaching Assistant

• Instructed classes of 30—35 students, navigating Zoom teaching and the flex in-person modality during Covid 19. • Led a team of undergraduate teaching assistants, supporting them in their first teaching experience. • Graded quizzes and exams, collaborating with a team to accelerate the process and assure the work is reliable.
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Simon Fraser University | Sep 2017 - May 2019

Graduate Teaching Assistant

• Supported teaching of Calculus, Calculus Support Sessions, Algebra, and College Algebra Workshops. • Graded quizzes, midterms and final exams, collaborating with a team to accelerate the process and clarify partial credits.


Teacher of Mathematics

• Planned and taught mathematics lessons to students aged 11—18, enabling their success in national exams. • Tutored students aged 11—13, providing pastoral support, helping them to take ownership of their learning. • Used statistical analysis to track student progress and differentiate lesson plans accordingly. • Evaluated my practice, participating in professional development sessions to influence the workplace culture.

University of Warwick | Oct 2013 - Jul 2014

Supervisor (Mathematics mentoring)

• Mentored a group of 5 first year mathematics students. • Discussed assignments with mentees, problem-solving to overcome any difficulties arising in lectures. • Provided written and verbal feedback on students’ work.

My Education

Take a look at my formal education

PhD Mathematics, Arithmetic geometry University of Arizona | 2024
Master of Science - MS, MathematicsSimon Fraser University | 2019
PGCE (Secondary Mathematics) with QTS, EducationNewcastle University | 2015
MMath, MathematicsUniversity of Warwick | 2014

About Me

Dan Lewis

5th year PhD student in Mathematics at the University of Arizona. Seeking full-time data science opportunities in Manchester, UK or London (remote) post-graduation.

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