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Unique, Impactful, Lasting

Apprenticeship Program

The Data Chord Apprenticeship Program is a highly selective, one-to-one mentorship designed to nurture the next generation of data scientists.

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    Phase 1 Curriculum

    Python for Data Science

    Exploratory Data Analysis (EDA)

    Python for Data Science

    This module equips learners with the essential Python skills needed for data science. Starting with the basics of variables and control flow, it progresses to functions, error handling, and core data structures like lists, dictionaries, and sets. Learners then build practical expertise with NumPy for numerical computing and Pandas for powerful data manipulation—forming a solid foundation for advanced analytics and machine learning.

    R for Data Science

    Exploratory Data Analysis (EDA)

    Python for Data Science

    This module introduces learners to the R programming language and RStudio for data analysis. It covers the essentials of R—data types, vectors, and control flow—before moving into practical data wrangling with dplyr and creating impactful visualizations with ggplot2. Learners also gain experience in statistical modeling with stats, culminating in a hands-on mini project to apply their skills to real-world datasets. 

    Exploratory Data Analysis (EDA)

    Exploratory Data Analysis (EDA)

    Exploratory Data Analysis (EDA)

    This module develops the skills needed to uncover insights from raw data through systematic exploration. Learners begin with descriptive statistics and progress into analyzing distributions and skewness, detecting and handling outliers, and examining correlations and relationships between variables. They also gain practical experience in creating visual summaries using tools like Seaborn, and in interpreting EDA results to support decision-making. The module concludes with a hands-on case study project, giving learners the opportunity to apply EDA techniques to real-world datasets. 

    Basic Machine Learning

    Data Cleaning & Wrangling

    Exploratory Data Analysis (EDA)

    This module introduces learners to the fundamentals of machine learning, covering both theoretical concepts and practical applications. Core algorithms such as linear regression, logistic regression, decision trees, and k-nearest neighbors (k-NN) are explored alongside key principles like cross-validation and overfitting basics. Learners also study model evaluation metrics (accuracy, precision, and more) to assess performance effectively. The module concludes with a hands-on, end-to-end ML project, allowing learners to apply their knowledge to a real-world problem from data preparation to model deployment. 

    Data Cleaning & Wrangling

    Data Cleaning & Wrangling

    Data Cleaning & Wrangling

    This module equips learners with the essential skills to prepare raw data for analysis. It covers techniques for handling missing data, parsing and converting data types, and combining and merging datasets from different sources. Learners also gain exposure to data cleaning best practices and working with diverse formats such as JSON, XML, and APIs. The module concludes with a mini ETL workflow using Pandas, giving learners hands-on experience in building efficient pipelines for transforming messy data into structured, analysis-ready datasets. 

    Data Visualization Tools

    Data Cleaning & Wrangling

    Data Cleaning & Wrangling

    This module trains learners to transform data into compelling insights through effective visualization. Starting with visualization principles and storytelling, learners practice creating core chart types such as bar, line, scatter, and histograms. They then progress to building interactive dashboards with Power BI, applying features like filters, slicers, and data models to enhance usability. The module also covers designing KPIs and custom visuals for business reporting. It culminates in a final dashboard project, where learners apply their skills to deliver a professional, interactive visualization solution. 

    Capstone Project

    Business Communication & Data Storytelling

    Capstone Project

    The Capstone Project is the culmination of the apprenticeship program, where learners bring together all the skills acquired across previous modules to solve a real-world problem. Starting with project planning and proposal, learners conduct dataset exploration and EDA, followed by model selection and development tailored to their problem statement. They then focus on visualization and storytelling to effectively communicate insights, while also producing a comprehensive report with proper documentation. The project concludes with a final presentation and feedback session, preparing learners to showcase their analytical, technical, and communication skills in a professional setting. 

    Career Skills

    Business Communication & Data Storytelling

    Capstone Project

    This module prepares learners to confidently transition from training into professional roles. It begins with resume and LinkedIn optimization to help learners stand out to employers, followed by interview preparation and mock sessions to build confidence in job applications. Learners also develop the ability to communicate effectively with non-technical stakeholders, an essential skill for real-world data science work. The module concludes with a career roadmap and mentorship Q&A, offering personalized guidance to help apprentices plan their long-term growth in the field. 

    Business Communication & Data Storytelling

    Business Communication & Data Storytelling

    Stakeholder Engagement & Cross-Functional Collaboration

    This module focuses on turning data into clear, impactful narratives that drive decision-making. Learners practice structuring a compelling data story, using visual cues and audience tuning to adapt messages for different stakeholders. They also develop skills in writing concise executive summaries that highlight key insights. The module concludes with presentation practice and feedback, helping learners build confidence and polish their delivery for professional settings. 

    Stakeholder Engagement & Cross-Functional Collaboration

    Stakeholder Engagement & Cross-Functional Collaboration

    Stakeholder Engagement & Cross-Functional Collaboration

    This module equips learners with the interpersonal and collaboration skills necessary for success in real-world data science projects. Learners gain insight into understanding stakeholder perspectives and practice requirements gathering techniques to ensure alignment from the outset. They also learn how to conduct collaborative data framing and validation, ensuring solutions meet business needs. Finally, the module emphasizes feedback handling and expectation setting, enabling apprentices to build trust and manage cross-functional relationships effectively. 

    Critical Thinking, Problem Solving & Ethics in Data Use

    Stakeholder Engagement & Cross-Functional Collaboration

    Critical Thinking, Problem Solving & Ethics in Data Use

    This module blends analytical reasoning with professional responsibility in data science practice. Learners develop skills in framing analytical questions, bias identification in analysis, and applying root cause and exploratory thinking to tackle complex scenarios through practical, scenario-based problem solving. Alongside critical thinking, the module emphasizes data privacy and confidentiality, handling sensitive information, and addressing ethics in algorithmic bias. Together, these elements ensure apprentices not only solve problems effectively, but also uphold the highest standards of professionalism and ethical conduct in their work. 

    Project & Time Management for Analysts

    Stakeholder Engagement & Cross-Functional Collaboration

    Critical Thinking, Problem Solving & Ethics in Data Use

    This module equips learners with practical strategies to manage data projects efficiently and deliver results on time. It covers techniques for structuring and scoping a data project, ensuring clear objectives, timelines, and deliverables. Learners are also introduced to productivity tools and best practices that support effective collaboration, task management, and workflow organization—skills essential for thriving in fast-paced, real-world data science environments. 

    Phase 2 Curriculum

    Advanced Python for Data Science

    Advanced Python for Data Science

    Advanced Python for Data Science

     This module strengthens learners’ ability to write professional and scalable Python code for data science. It introduces object-oriented programming (OOP), where learners practice building classes and applying concepts like inheritance and polymorphism. The module also covers modular coding, teaching how to organize functions into reusable packages and structure larger projects effectively. Emphasis is placed on exception handling and debugging, ensuring learners can write reliable programs. Finally, learners are introduced to testing frameworks such as unittest and pytest, alongside coding best practices and documentation standards, equipping them with the skills to build robust and maintainable Python applications for advanced analytics. 

    Data Engineering Foundations

    Advanced Python for Data Science

    Advanced Python for Data Science

    This module introduces learners to the essential skills of data engineering. Beginning with SQL fundamentals, learners practice writing queries to extract, join, and summarize data efficiently. They then explore the use of APIs to fetch live and streaming datasets, working with JSON and XML formats to prepare raw data for analysis. Through hands-on exercises, learners design and implement ETL (Extract, Transform, Load) pipelines, building automation scripts in Python to clean, transform, and integrate data from multiple sources. By the end of the module, they will be able to construct reliable workflows that form the backbone of modern data-driven projects.

    Advanced R

    Advanced Python for Data Science

    Data Visualization Mastery

     This module deepens learners’ mastery of R for applied analytics. Learners design interactive dashboards using Shiny, enabling dynamic reporting and stakeholder engagement. The tidy models framework is introduced to streamline predictive modeling, providing a consistent workflow for regression, classification, and clustering tasks. In addition, learners gain exposure to functional programming in R through the purrr package and create advanced visualizations with extensions of ggplot2. Reporting skills are further developed using rmarkdown for automated, parameterized reports. By the end, learners will be able to build polished, interactive tools and apply advanced R techniques to real-world analytics. 

    Data Visualization Mastery

    Data Visualization Mastery

    Data Visualization Mastery

     This module equips learners with advanced techniques for telling compelling stories with data. Learners explore Tableau and Power BI, designing dashboards that transform raw data into actionable insights. Case studies in finance and marketing analytics help learners apply principles of effective dashboard design, including KPI selection, chart choice, and layout optimization. Beyond the technical skills, emphasis is placed on storytelling with data—creating narratives that resonate with decision-makers and drive action. By the end, learners can design and deliver professional-grade dashboards that communicate complex findings with clarity. 

    Machine Learning I

    Data Visualization Mastery

    Machine Learning II

    This module introduces the core principles of supervised machine learning. Learners begin with regression models, progressing from linear regression to logistic regression for classification tasks. They then explore decision trees and random forests, learning how to interpret results and avoid overfitting. Gradient boosting methods, such as XGBoost, are introduced to enhance predictive power. Throughout the module, learners use scikit-learn to implement algorithms and evaluate their performance with real-world datasets. By completing this module, learners will understand the fundamentals of supervised learning and build practical machine learning models.

    Machine Learning II

    Data Visualization Mastery

    Machine Learning II

    This module focuses on unsupervised learning and recommendation systems. Learners begin with clustering techniques, including k-means and hierarchical clustering, and use visualization methods such as dendrograms to interpret groupings. Dimensionality reduction is introduced through PCA and t-SNE, enabling analysis of high-dimensional datasets. The module also covers recommender systems, comparing content-based and collaborative filtering approaches. A case study on movie recommendations provides learners with practical experience in building personalized systems. By the end, learners will have the skills to uncover hidden patterns in data and design recommendation models.

    Feature Engineering

    Applied Project 2: Fraud & Anomaly Detection

    Applied Project 1: Marketing Analytics

     This module equips learners with techniques to improve model performance through effective feature engineering. Learners practice handling missing values, encoding categorical data, and scaling numerical variables. More advanced techniques, such as feature extraction, polynomial features, and interaction terms, are introduced to enhance predictive power. Learners also apply domain knowledge to design meaningful features from raw data, bridging the gap between technical modeling and business understanding. By the end, learners will have the skills to transform raw datasets into structured inputs that maximize machine learning outcomes. 

    Applied Project 1: Marketing Analytics

    Applied Project 2: Fraud & Anomaly Detection

    Applied Project 1: Marketing Analytics

     In this project module, learners apply their knowledge to a real-world business scenario in marketing analytics. They work with datasets related to customer behavior, campaign performance, or digital engagement, applying regression and classification models to extract insights. Emphasis is placed on translating data findings into marketing strategies—such as targeting the right customer segments, optimizing ad spend, and predicting campaign success. Under supervision, learners complete the project from data preparation through to presentation, gaining experience in managing an end-to-end analytics workflow. 

    Applied Project 2: Fraud & Anomaly Detection

    Applied Project 2: Fraud & Anomaly Detection

    Applied Project 2: Fraud & Anomaly Detection

     This project module immerses learners in the domain of financial fraud and anomaly detection. Using transactional datasets, learners apply clustering and classification algorithms to detect unusual patterns that may indicate fraud. Techniques such as feature engineering for fraud signals, model validation under class imbalance, and performance evaluation with precision-recall metrics are emphasized. The project challenges learners to build a practical solution that balances accuracy with business feasibility. By the end, they will have developed a working fraud detection prototype, ready to be communicated as a business case. 

    Phase 3 Curriculum

    Advanced Optimization for Machine Learning

    Natural Language Processing (NLP) and Transformers

    Advanced Optimization for Machine Learning

    This module explores the mathematical foundations and practical methods of optimization that drive modern machine learning. Learners study gradient descent and its advanced variants such as stochastic gradient descent (SGD), Adam, RMSProp, and momentum-based methods. They analyze convergence behavior, tuning strategies, and trade-offs between efficiency and accuracy. Regularization methods such as L1, L2, and dropout are also introduced, ensuring learners can train models that generalize well. By the end, participants will not only understand the mechanics of optimization but also know how to select and implement the right techniques to improve model performance.

    Neural Networks and Deep Learning

    Natural Language Processing (NLP) and Transformers

    Advanced Optimization for Machine Learning

     This module provides learners with the building blocks of artificial intelligence through neural networks. Starting with perceptrons and multilayer feedforward networks, learners progress to backpropagation and activation functions. They then explore modern architectures such as convolutional neural networks (CNNs) for image recognition and recurrent neural networks (RNNs) for sequential data. Using TensorFlow and PyTorch, learners gain hands-on experience in designing, training, and evaluating deep learning models. By the end, they will have the ability to construct neural networks that power real-world AI systems. 

    Natural Language Processing (NLP) and Transformers

    Natural Language Processing (NLP) and Transformers

    Natural Language Processing (NLP) and Transformers

     This module focuses on the AI techniques behind human–computer language interaction. Learners begin with classical NLP methods such as tokenization, TF-IDF, and word embeddings. The module then progresses to modern transformer-based models, including BERT and GPT, which have revolutionized language processing. Learners experiment with fine-tuning pre-trained models for tasks like text classification, sentiment analysis, and chatbot development. By the end, they will have a practical understanding of how to build AI systems that can interpret and generate human language. 

    Reinforcement Learning and Intelligent Agents

    Capstone AI Project: End-to-End AI System Development

    Natural Language Processing (NLP) and Transformers

     This module introduces the concepts of reinforcement learning (RL), where agents learn by interacting with environments. Learners study key methods including Q-learning, policy gradients, and deep Q-networks (DQN). They implement small-scale simulations such as game-playing agents or robotics pathfinding to see RL in action. Emphasis is placed on exploration vs. exploitation, reward shaping, and the challenges of scaling RL to complex problems. By the end, learners will appreciate how reinforcement learning underpins cutting-edge AI applications such as autonomous driving and recommendation systems. 

    AI Systems Design and Ethics

    Capstone AI Project: End-to-End AI System Development

    Capstone AI Project: End-to-End AI System Development

     This capstone module integrates technical mastery with responsible AI practices. Learners explore how to design end-to-end AI systems that are scalable, explainable, and ethically sound. Topics include deployment pipelines, monitoring AI models in production, and bias mitigation strategies. Learners also engage in critical discussions around transparency, accountability, and societal impact. By the end of the module, they will not only be capable of building advanced AI systems but also equipped to evaluate their ethical and practical implications in business and society. 

    Capstone AI Project: End-to-End AI System Development

    Capstone AI Project: End-to-End AI System Development

    Capstone AI Project: End-to-End AI System Development

     The Capstone AI Project serves as the culminating experience of the apprenticeship program, challenging learners to integrate all skills acquired across Phases 1–3. Learners will identify a complex, real-world problem and design a full-stack AI solution that demonstrates technical excellence, creativity, and business relevance. Projects may include building a personalized recommender engine, developing an NLP-powered virtual assistant, or creating an anomaly detection system for cybersecurity. 

    Phase 4 Curriculum (Optional)

    Language for Professional Collaboration

    Elective Module: Cloud Computing for Data Science

    Language for Professional Collaboration

     This module equips trainees with the linguistic and cultural skills needed to work effectively in international teams. Learners can select from languages such as Japanese, Vietnamese, Mandarin, or Russian, based on their career and market aspirations. Training emphasizes not only conversational fluency but also professional communication—writing emails, presenting findings, and negotiating across cultures. By the end, learners will have the confidence to collaborate seamlessly with peers and stakeholders across borders. 

    Cross-Cultural Business Practices

    Elective Module: Cloud Computing for Data Science

    Language for Professional Collaboration

     This module explores how cultural values shape business practices, teamwork, and decision-making. Through case studies, role-playing exercises, and guest speakers from different regions, learners develop intercultural intelligence. They learn how to navigate workplace expectations in Asia, Europe, and beyond—an essential skill for data scientists working in multinational environments. By the end, participants will understand how to adapt their communication and leadership styles to succeed in global contexts. 

    Elective Module: Cloud Computing for Data Science

    Elective Module: Cloud Computing for Data Science

    Elective Module: Cloud Computing for Data Science

     This elective introduces learners to cloud platforms such as AWS, Azure, or Google Cloud. They gain hands-on experience with cloud-based data storage, distributed computing, and scalable machine learning deployment. Emphasis is placed on cost optimization and security, preparing learners to design cloud-ready AI solutions. 

    Elective Module: Big Data Analytics

    Elective Module: Data Science for Emerging Domains

    Elective Module: Cloud Computing for Data Science

     This elective focuses on working with large-scale datasets beyond the limits of traditional tools. Learners gain practical skills in Spark, Hadoop, or distributed Python libraries such as Dask. Case studies include clickstream analysis, large-scale recommendation engines, and IoT data processing. By the end, learners can manage, process, and analyze massive data environments with confidence. 

    Elective Module: Data Science for Emerging Domains

    Elective Module: Data Science for Emerging Domains

    Elective Module: Data Science for Emerging Domains

     In this elective, learners explore advanced applications of data science in fields such as healthcare analytics, financial technology, and sustainability. Through domain-specific case studies, learners practice applying predictive modeling and AI techniques to sector-specific problems. This module broadens their perspectives and prepares them to adapt data science skills to specialized industries. 

    Overseas Training

    Switzerland

    Switzerland

    Switzerland

    Apprentices experience state-of-the-art training in the field of AI. In addition, they will have the opportunity to visit key sites such as the University of Zurich—where Albert Einstein both studied and taught—the United Nations, and more.


    Visa application support is provided.
    Sponsorship: Data Chord

    Japan

    Switzerland

    Switzerland

    Apprentices experience state-of-the-art training in the field of applied data science in multiverse. In addition, they will have the opportunity to gain deeper insights into the culture and history of Japan, along with other enriching experiences.


    Visa application support is provided.
    Sponsorship: Data Chord / Koh & Associates 合同会社

    Benefits

    Obtain PCiDS™ Certificate

    Lifetime Free Access to Data Chord Courses

    Letter of Recommendations from Trainers

    Letter of Recommendations from Trainers

    Lifetime Free Access to Data Chord Courses

    Letter of Recommendations from Trainers

    Become Data Chord Trainer

    Lifetime Free Access to Data Chord Courses

    Lifetime Free Access to Data Chord Courses

    Lifetime Free Access to Data Chord Courses

    Lifetime Free Access to Data Chord Courses

    Lifetime Free Access to Data Chord Courses

    Selection Criteria

    Data Chord welcomes all applications for this program. However, acceptance into the apprenticeship program is based solely on merit. We assure all applicants that their submissions will be carefully and thoroughly assessed.

    Application

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