Hey, I'm

Stephen Adei

Quantitative Analyst (Risk & Data) | MSc Mathematics | Statistical Modelling & Computational Methods

MSc Mathematics candidate (quantum computing & dynamical systems) with strong background in applied statistics, statistical modelling, and computational methods. Experience translating abstract mathematical structures into actionable insights. Designed and operate production data systems for own tutoring business (platform, APIs, ETL); finance-grade data platform architecture documented at ohpen.stephenadei.nl. Strong communication skills developed through STEM education and stakeholder engagement.

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EXPERIENCE

Stephen's Privélessen

2010 - Present

STEM & Quantitative Skills Consultant (Academic Support)

Amsterdam, Netherlands

  • Biedt begeleiding in wiskunde, statistiek, natuurkunde, economie en programmeren voor middelbare school t/m universiteit
  • Ontwikkelt helder gestructureerde uitleg en probleemoplossingsstrategieën in exacte vakken
  • Bilingual technical communication (EN/NL) voor uiteenlopende doelgroepen
  • Begeleidde HBO/WO-scripties in machine learning, data-analyse en toegepaste statistiek, waaronder PyTorch, supervised/unsupervised learning en modelinterpretatie
  • Begeleidde psychologie-scripties met regressiemodellen, GLM, logistische regressie, mediatie/moderatie en mixed models
  • Ondersteunde studenten bij datacleaning, statistische analyses, interpretatie en academische rapportage

Lyceo

2015 - 2021

Exam Trainer & Content Guide

Amsterdam, Netherlands

  • Verzorgde examentrainingen voor wiskunde en exacte vakken op VMBO/HAVO/VWO-niveau
  • Analyseerde leerlingwerk op inhoudelijke en didactische wijze
  • Ontwierp duidelijke oefenmethoden en examengerichte strategieën
  • Bood gestructureerde uitleg en intensieve begeleiding aan groepen en individuen

Hoofddorp College & Zaanstreek College

2024 - 2025

Substitute Teacher (Mathematics, Physics & English)

Hoofddorp \& Wormerveer, Netherlands

  • Taught STEM and English across special-education VMBO levels
  • Full 2024/2025 school year commitment
  • Adapted teaching methods for diverse learning needs

Weekend College Amsterdam-Zuidoost

2014 - 2017

Tutor & Mentor

Amsterdam, Netherlands

  • Tutored lower secondary level HAVO/VWO students in free Saturday program
  • Organized educational excursions and annual camps
  • Mentored students in academic and personal development

Freelance

2018 - Present

Analog Photographer

Amsterdam, Netherlands

  • Medium-format analog photography specialist
  • Educational and research documentation projects
  • Commercial and artistic projects exclusively in analog format
  • Published work: Cover photography for Amsterdam 750 Uitkrant Zuidoost (2024)

L'origine

2014 - 2016

Graphic Designer

Amsterdam, Netherlands

  • Created visual identity and print/digital collateral for start-up clothing label
  • Developed brand guidelines and marketing materials
  • Collaborated with creative team on design concepts

Wesley Methodist Church Amsterdam

2008 - 2020

Keyboardist & Ensemble Coordinator

Amsterdam, Netherlands

  • Provided musical accompaniment for services and events
  • Organized performances and mentored youth musicians
  • Coordinated ensemble rehearsals and musical arrangements

University of Amsterdam (SOWISO)

2022 - 2024

Mathematics Module Developer

Amsterdam, Netherlands

  • Developed two online mathematics modules for SOWISO learning platform
  • Created module on basic mathematics skills: brackets and fractions
  • Developed Analysis 1 module covering limits, continuity, and related concepts
  • Contributed to digital mathematics education at university level

University of Amsterdam

2023 - Present

Research Assistant & Archival Project Contributor

Amsterdam, Netherlands

  • Contributor to Pluck the Data Project: research on digital literacy and AI implementations (executed during teaching internship at OSB, Amsterdam Bijlmer)
  • Assisted in compiling comprehensive, exportable database for archival system
  • Archival research with Gerard (A. van Wijngaarden project): archival design, historical research and documentation preservation
  • Created computational thinking knowledge clip (July 2024): youtube.com/watch?v=NAvG24xGFHU
  • Presented at Pluck the Data symposium (October 17, 2024)

ILO, University of Amsterdam

2023 - 2026

Education Research – Applied Statistics

Amsterdam, Netherlands

  • Uitgevoerd binnen een AI-ondersteunde leermodule
  • Analyseerde enquêtegegevens, gebruiksdata en pre/post-verschillen in onderzoeksopdrachten
  • Voerde kwantitatieve analyses uit op leerresultaten en tevredenheidsscores
  • Rapporteerde bevindingen in een mixed-methods onderzoeksverslag met statistische onderbouwing

EDUCATION

University of Amsterdam

2021 - 2026 (Expected)

MSc Mathematics – Quantum Informatics & Dynamical Systems

Amsterdam, Netherlands

  • Master's thesis: "Entanglement-assisted zero-error communication" (investigation of zero-error classical channel capacity using shared entanglement)
  • Focus areas: quantum information theory, complex systems analysis

ILO, University of Amsterdam

2023 - 2026 (Expected)

Master Leraar Voorbereidend Hoger Onderwijs – Wiskunde

Amsterdam, Netherlands

  • Teacher-training thesis: "Kunstmatige intelligentie ter ondersteuning van statistisch onderzoek: Eindverslag prototype-variant" (Artificial Intelligence to Support Statistical Research)
  • Developed and evaluated prototype of AI-based scaffolds using ChatGPT as reflective sparring partner to help 4-HAVO students transform general questions into specific research questions during statistics project
  • Mixed-methods validation with expert teachers and students showing high satisfaction and improved ability to recognise variables and frame research questions
  • Pedagogical training emphasising analytical communication and applied mathematical explanation
  • Transitioning skillset to quantitative analysis and risk-modeling domains
  • Teaching internship 2023/2024: OSB (Open Schoolgemeenschap Bijlmer), Amsterdam
  • Teaching internship 2024/2025: Berlage Lyceum, Amsterdam (lower and upper secondary, VMBO-B through VWO)

University of Amsterdam

2018 - 2021

BSc Mathematics

Amsterdam, Netherlands

  • Bachelor's thesis: "Mathematical Epidemiology: From Data to Model"
  • Coursework in analysis, linear algebra, probability, differential equations
  • Strong foundation in mathematical theory and applications

SKILLS

Quantitative Focus Areas

Risk & Data Analysis

  • Probability and stochastic processes, statistical inference & regression (GLM, time series)
  • Dynamical systems modeling, complex systems analysis
  • Risk modelling fundamentals, simulation & optimization for risk scenarios
  • Time-series analysis, model risk governance (MLOps/data validation)
  • Risk appetite & scenario analysis, VaR fundamentals
  • Data pipeline thinking (ETL, validation, data integrity)
  • Data governance, reproducibility, auditability
  • Python for risk modelling, stochastic systems modeling

Programming & Statistical Tools

Software Stack

  • Python (NumPy, pandas, scikit-learn), R (tidyverse), LaTeX
  • Statistical analysis, data visualization, machine learning
  • JavaScript, TypeScript, Node.js for data pipelines and APIs
  • Matlab, Mathematica, SPSS, Excel for numerical analysis
  • SQL, database management, data engineering

Software Development

Full-Stack & Infrastructure

  • Full-stack development: Next.js, React, Node.js, Express
  • ETL pipelines, data synchronization, automated workflows
  • Docker containerization, Git version control, CI/CD
  • API design, database management, REST API development
  • Cross-platform applications (Rust, Tauri)

Applied Mathematics

Theoretical Foundations

  • Quantum computing concepts, dynamical systems modeling
  • Complex systems analysis, optimization theory
  • Statistical modeling, hypothesis testing, regression analysis
  • Geospatial calculations, numerical methods

Design & Media

Creative Software

  • Adobe Photoshop, Illustrator, InDesign, Premiere Pro, After Effects, Lightroom
  • Graphic design, video editing, photo processing
  • Visual communication and brand development

Professional Competencies

Communication & Analysis

  • Stakeholder communication: translating complex quantitative concepts to diverse audiences
  • Analytical problem-solving under time constraints and project management
  • Bilingual technical communication (Dutch/English), independent project delivery
  • Complex-concept simplification, instructional design for technical content

LEADERSHIP

African Students United (ASU)

2015 - 2017

Co-founder & Head of Events/Communications

  • Managed funding, events and visual communications for student association
  • Organized cultural events and networking opportunities
  • Built community connections and support systems

Diversiteitscommissie FNWI (DivCie)

2022 - 2022

Member, Diversity Committee

  • Supported inclusion initiatives within the Faculty of Science
  • Developed programs to promote diversity in mathematics education
  • Collaborated with faculty and students on equity initiatives

LANGUAGES & CERTIFICATIONS

Languages

English Native-level proficiency
Dutch Native-level proficiency
Twi Conversational

Certifications

B2 First (FCE) – Grade A (CEFR level C1 equivalent)

Cambridge Assessment English

IB English Certificate

International Baccalaureate

INTERESTS

Education innovationQuantum informationData visualizationAnalog photographyGraphic designArchival research