John Success Lazarus

Data Visualization & Analytics Specialist focused on transforming complex datasets into actionable insights.

About Me

Hello, I am John. A results-oriented IT professional with dual Master’s degrees in Mathematics and Mathematical Engineering, skilled in data analysis and support roles. Proficient in data analysis and visualization tools and programming languages.I am eager to leverage my technical skills and analytical mindset to excel as a data analyst.Beyond my professional work, I balance logic and creativity: I’m an enthusiastic chess player, an avid traveler, and an artist who uses photography and sketching to portray the character and expressions of the world around me.


Skills


Computer Skills

  • SQL (SQL Server, MySQL, PostgreSQL)

  • Python (Pandas, NumPy, SciPy, MatPlotLib)

  • Tableau

  • Excel (XLOOKUP and lookup functions, Conditional Formatting, Pivot Tables)

  • Power BI

  • R (R Studio)

  • Google Workspace (Sheets, Docs, Drive, Calendar)

  • Proficient with various management and record-keeping software

  • MATLAB


Organizational Skill

  • Meticulous attention to detail, time management, workflow management, task prioritization


Interpersonal Skills

  • Excellent communication, customer service, teamwork, and a proactive attitude


Languages

  • Fluent English (native language)

  • Italian (A2/B1)

Work Experience


SPORTS STATISTICIAN

Genius Sports – Karlstad, Sweden
October 2024 - November 2025

  • Collected and analyzed real-time sports data with precision using specialized data collection software.

  • Ensured data accuracy and timeliness for live reporting and analytics teams.

  • Collaborated with cross-functional teams to support product innovation and data integrity.


DATA ANALYST INTERN

National Bureau of Statistics – Abuja, Nigeria
April 2019 - September 2019

  • Analyzed and processed statistical data using Excel and SPSS, contributing to national reports.

  • Supported the evaluation of Nigeria’s Sustainable Development Goals (SDGs) through data-driven insights.

  • Assisted in data cleaning, validation, and report automation, improving efficiency in data workflows.

  • Collaborated within an Agile-inspired environment, participating in iterative data review sessions and adapting quickly to changing analytical requirements.

Web3 & Blockchain Experience


CRYPTOCURRENCY MARKET ANALYST

SnappQuest
July 2025 - Present

  • Conduct market research and generate insights by evaluating platform and user data for accuracy and trends.

Neroitech Inventions (NITI)
May 2021 - March 2025

  • Perform crypto market analytics and insights research for the Bear & Bull Index for Cryptocurrencies, a project backed by Neroitech Inventions.


TOP EDITOR

IQ Wiki
February 2020 - January 2022

  • Authored and edited over 500 articles, demonstrating strong attention to detail and commitment to accuracy.

  • Conducted rigorous fact-checking and data verification to ensure 100% credibility of published content.

  • Managed and organized large volumes of information, improving content accessibility and searchability for users.


TECHNICAL SUPPORT ASSISTANT

Vigor Protocol
April 2020 - February 2022

  • Provided technical support to clients, troubleshooting and resolving software and platform issues.

  • Developed and maintained a knowledge base of FAQs and troubleshooting guides, reducing support workload and improving user self-service.

Projects


E-commerce Customer Segmentation and Behavior Analysis
January 2025

  • Utilized SQL for the data cleaning, transformation and querying to structure raw dataset

  • Perform customer segmentation using a rule-based approach on Python (Pandas) to analyze customer data, identifying key segments using RFM analysis, churn analysis, KPI tracking and behavior patterns

  • Created an interactive Power BI dashboard to visualize segment profiles, including demographics and satisfaction metrics


Tech Stock Performance Analysis
November 2024

  • Conducted a comprehensive analysis of major tech stock indices (AAPL, AMZN, GOOGL, META, MSFT, NVDA, TSLA) to assess market performance, growth, and risk

  • Leveraged Python (yfinance, Pandas, Matplotlib) to acquire, process, and analyze financial time series data, calculating metrics including daily/annual returns and volatility

  • Developed visualizations with Tableau to effectively communicate key market trends, growth patterns, and relative risk levels across the selected tech indices


Exploratory Data Analysis on IMDB Movies Dataset

  • Utilized SQL for data cleaning, transformation, and querying to preprocess and structure raw movie data.

  • Conducted exploratory data analysis to uncover trends, patterns, and key insights within the dataset.


Average Life Expectancy Analysis (2007)

  • Analyzed global life expectancy data for 2007, focusing on regions, using socio-economic and health indicators.

  • Cleaned and standardized raw data in Microsoft Excel to enhance accuracy and reliability for analysis.

  • Explored correlations between life expectancy and factors such as GDP, schooling, and mortality rate.

  • Created an interactive dashboard to highlight regional disparities and trends using Microsoft Excel.


Measuring Metrics of the Fun Function

  • Developed a MATLAB function, fun, that computes the averages of consecutive entries in a given vector.

  • Measured the performance of the function by analyzing execution time, memory usage, and number of iterations.

  • Visualized input-output relationships using subplots and graphs to demonstrate the function’s behavior.

  • Conducted the project on randomly generated datasets to ensure general applicability and efficiency.


DSMC Method: Numerical Simulations for Kac's Equation

  • Utilized Python to implement the Direct Simulation Monte Carlo (DSMC) method for solving Kac’s equation.

  • Simulated and validated analytical solutions in scenarios where closed-form solutions were available.

  • Applied the DSMC approach to explore analytically intractable cases, uncovering complex behaviors through simulation.

  • Made use of Python libraries such as NumPy and Matplotlib for efficient computation and visualization of results.

Education


MASTER OF SCIENCE IN MATHEMATICS – Karlstad University – Karlstad, Sweden
August 2023 - June 2024
MASTER OF SCIENCE IN MATHEMATICAL ENGINEERING – University of L’Aquila – L’Aquila, Italy
September 2022 - May 2024
BACHELOR OF SCIENCE IN MATHEMATICS – Anchor University – Lagos, Nigeria
February 2017 - November 2020


Honours and Awards

Erasmus+ Intermaths Scholarship: Dual Masters Degree in applied mathematics at the University of L’Aquila, Italy and Karlstad University, SwedenBest graduating student in the department of mathematics, Anchor University Lagos, Nigeria


Publications

Lazarus, J.S. "Symmetry Methods and Group Invariant Solutions: Some cases of the Boltzmann equation"
June 2024


Fatokun, J.O., Okoro, S.I., Lazarus, J.S. "A Class of Power Series Collocation Multistep Methods with Legendre
Interpolant for the Integration of Initial Value Problems"
December 2022


Conferences and Seminars Attended

KAAS (Karlstad Applied Analysis Seminar
Epidemiological modeling: Mathematics concrete role in practical disease-spreading scenarios including COVID-19
Karlstad University, Sweden
Speaker: Professor Tom Britton (Stockholm University)
November 2023
Discrete and Continuum Mechanics with Applications
Additive Manufacturing: An enlightening world, full of opportunities and challenges
University of L'Aquila, Italy
Speaker: Professor Ferdinando Auricchio (University of Pavia)
May 2023
Southwest Nigeria Regional Symposium
Environmental Design and Management (EDM) Faculty in affiliation with the Laboratory for Interdisciplinary Statistical Analysis (LISA) 2020 Network, EDM-LISA
Obafemi Awolowo University
December 2020


Research Activities

Symmetry Methods and Group Invariant Solutions. Some cases of the Boltzmann equation
Studied the application of Lie symmetry methods to solve some cases of the Boltzmann equation.
Advisor: Dr. Yosief Wondmagegne
August 2024 - May 2024
Homogenization: Multi-Scale Modeling, Analysis And Simulation, Group Project
Analyzed materials exhibiting complex microscale features and captured their effective behavior at the macroscopic level.
Advisor: Professor Adrian Muntean
November 2023 - January 2024
Discrete and Continuum Mechanics: COMSOL Group Project
Presented a basic model for a reactive exhaust muffler with a focus on transmission loss.
Advisor: Professor Francesco Dell'Isola and Dr. Ivan Giorgio
July 2023 - September 2023
Monte Carlo Simulations Of The Ising Model. Kinetic Theory And Stochastic Simulation
Provided insight into the physics of magnetic materials and demonstrated the effectiveness of Monte Carlo simulations in capturing the complex behavior of the model.
Advisor: Professor Matteo Colangeli
May 2023 - July 2023
Parallel Computing Laboratory Group Project
Presented a serial and parallel algorithm and MIP (Mixed-Integer Programming) code for numerical integration using the Cavalieri-Simpson methods.
Advisor: Professor Donato Pera
June 2023
A Class of Power Series Multistep Methods for The Integration of Initial Value Problem Using Legendre Polynomial Interpolant
Presented a new approach for deriving a class of collocation linear multistep methods for integrating some initial value problems of ordinary differential equations.
Advisor: Professor Johnson Fatokun
September 2019 - November 2020

Teaching Experience


GRADUATE STUDENT INSTRUCTOR

Institute of Technology and Management – Cross River, Nigeria
April 2021 - February 2022

  • Enhanced classroom engagement through interactive lectures, hands-on activities, and group projects.

  • Evaluated student performance using assessments aligned with course objectives.

  • Assisted in coordinating extracurricular activities such as tutoring programs, further enriching the educational experience for students.


SUBJECT TEACHER

Bethel International School – Abuja, Nigeria
February 2021 - March 2021

  • Taught Mathematics and Further Mathematics to senior secondary school students.

  • Evaluated student performance using assessments aligned with subject objectives.

Certification


Excel Essential Training (Microsoft 365)
LinkedIn Learning
Issued October 2025

Advance SQL
LinkedIn Learning
Issued October 2025

SQL for Data Analysis
LinkedIn Learning
Issued October 2025

Scrum: The Basics
LinkedIn Learning
Issued October 2025

McKinsey.Org Forward Program
McKinsey & Company
Issued June 2025

Advanced Excel and R Programming
Anchor University Laboratory for Interdisciplinary Statistical Science and Data Analysis (AULISSDA)
Issued October 2019

Cyber Security and Data Analytics
Anchor University
Issued November 2019

Download My Data Analyst Resume