Roland KesziArtificial Intelligence &
Data Science Portfolio

On these pages I share the results of some of my data science and artificial intelligence based analysis projects.

Pages for higher education ↗

Certificates

I regard learning, and a lasting commitment to self-development, as a priority in every area of my life. In technology, and in AI in particular, I consider it indispensable.

Below are some of my most important training programmes in artificial intelligence and data science.

Click a certificate to enlarge it; the title links to the issuer's verification page.

All certificates on LinkedIn ↗

Google

27 certificates

Google AI Professional Certificate

Professional Certificate

Google AI Professional Certificate

7 courses · Coursera · March 2026

Courses in this programme

AI Fundamentals — Course 1 · March 2026AI Fundamentals

AI for Brainstorming and Planning — Course 2 · March 2026AI for Brainstorming and Planning

AI for Research and Insights — Course 3 · March 2026AI for Research and Insights

AI for Writing and Communicating — Course 4 · March 2026AI for Writing and Communicating

AI for Content Creation — Course 5 · March 2026AI for Content Creation

AI for Data Analysis — Course 6 · March 2026AI for Data Analysis

AI for App Building — Course 7 · March 2026AI for App Building

Google Advanced Data Analytics Professional Certificate

Professional Certificate

Google Advanced Data Analytics Professional Certificate

7 courses · Coursera · December 2023

Courses in this programme

Foundations of Data Science — Course 1 · December 2023Foundations of Data Science

Get Started with Python — Course 2 · December 2023Get Started with Python

Go Beyond the Numbers: Translate Data into Insights — Course 3 · December 2023Go Beyond the Numbers: Translate Data into Insights

The Power of Statistics — Course 4 · December 2023The Power of Statistics

Regression Analysis: Simplify Complex Data Relationships — Course 5 · December 2023Regression Analysis: Simplify Complex Data Relationships

The Nuts and Bolts of Machine Learning — Course 6 · December 2023The Nuts and Bolts of Machine Learning

Google Advanced Data Analytics Capstone — Course 7 · December 2023Google Advanced Data Analytics Capstone

Google Data Analytics Professional Certificate

Professional Certificate

Google Data Analytics Professional Certificate

8 courses · Coursera · July 2023

Courses in this programme

Foundations: Data, Data, Everywhere — Course 1 · June 2023Foundations: Data, Data, Everywhere

Ask Questions to Make Data-Driven Decisions — Course 2 · July 2023Ask Questions to Make Data-Driven Decisions

Prepare Data for Exploration — Course 3 · July 2023Prepare Data for Exploration

Process Data from Dirty to Clean — Course 4 · July 2023Process Data from Dirty to Clean

Analyze Data to Answer Questions — Course 5 · July 2023Analyze Data to Answer Questions

Share Data Through the Art of Visualization — Course 6 · July 2023Share Data Through the Art of Visualization

Data Analysis with R Programming — Course 7 · May 2023Data Analysis with R Programming

Google Data Analytics Capstone: Complete a Case Study — Course 8 · July 2023Google Data Analytics Capstone: Complete a Case Study

Deploy a BigQuery ML Customer Churn Classifier to Vertex AI for Online Predictions — Deploy a BigQuery ML Customer Churn Classifier to Vertex AI for Online PredictionsGoogle Cloud · Project · Coursera · August 2023

Fundamentals of Digital Marketing — Fundamentals of Digital MarketingGoogle Digital Workshop · IAB Europe · The Open University · November 2022

IBM

18 certificates

IBM Generative AI Engineering Professional Certificate

Professional Certificate

IBM Generative AI Engineering Professional Certificate

16 courses · Coursera · July 2025

Courses in this programme

Introduction to Artificial Intelligence (AI) — Course 1 · July 2025Introduction to Artificial Intelligence (AI)

Generative AI: Introduction and Applications — Course 2 · July 2025Generative AI: Introduction and Applications

Generative AI: Prompt Engineering Basics — Course 3 · July 2025Generative AI: Prompt Engineering Basics

Python for Data Science, AI & Development — Course 4 · July 2025Python for Data Science, AI & Development

Developing AI Applications with Python and Flask — Course 5 · July 2025Developing AI Applications with Python and Flask

Building Generative AI-Powered Applications with Python — Course 6 · July 2025Building Generative AI-Powered Applications with Python

Data Analysis with Python — Course 7 · July 2025Data Analysis with Python

Machine Learning with Python — Course 8 · July 2025Machine Learning with Python

Introduction to Deep Learning & Neural Networks with Keras — Course 9 · July 2025Introduction to Deep Learning & Neural Networks with Keras

Generative AI and LLMs: Architecture and Data Preparation — Course 10 · July 2025Generative AI and LLMs: Architecture and Data Preparation

Gen AI Foundational Models for NLP & Language Understanding — Course 11 · July 2025Gen AI Foundational Models for NLP & Language Understanding

Generative AI Language Modeling with Transformers — Course 12 · July 2025Generative AI Language Modeling with Transformers

Generative AI Engineering and Fine-Tuning Transformers — Course 13 · July 2025Generative AI Engineering and Fine-Tuning Transformers

Generative AI Advanced Fine-Tuning for LLMs — Course 14 · July 2025Generative AI Advanced Fine-Tuning for LLMs

Fundamentals of AI Agents Using RAG and LangChain — Course 15 · July 2025Fundamentals of AI Agents Using RAG and LangChain

Project: Generative AI Applications with RAG and LangChain — Course 16 · July 2025Project: Generative AI Applications with RAG and LangChain

Databases and SQL for Data Science with Python — Databases and SQL for Data Science with PythonCoursera · With honors · March 2023

Microsoft

9 certificates

Microsoft Power BI Data Analyst Professional Certificate

Professional Certificate

Microsoft Power BI Data Analyst Professional Certificate

8 courses · Coursera · July 2025

Courses in this programme

Preparing Data for Analysis with Microsoft Excel — Course 1 · July 2025Preparing Data for Analysis with Microsoft Excel

Harnessing the Power of Data with Power BI — Course 2 · July 2025Harnessing the Power of Data with Power BI

Extract, Transform and Load Data in Power BI — Course 3 · July 2025Extract, Transform and Load Data in Power BI

Data Modeling in Power BI — Course 4 · July 2025Data Modeling in Power BI

Data Analysis and Visualization with Power BI — Course 5 · July 2025Data Analysis and Visualization with Power BI

Creative Designing in Power BI — Course 6 · July 2025Creative Designing in Power BI

Deploy and Maintain Power BI Assets and Capstone project — Course 7 · July 2025Deploy and Maintain Power BI Assets and Capstone project

Microsoft PL-300 Exam Preparation and Practice — Course 8 · July 2025Microsoft PL-300 Exam Preparation and Practice

Stanford University · DeepLearning.AI

4 certificates

Machine Learning Specialization

Specialization

Machine Learning Specialization

3 courses · Coursera · January 2024

Courses in this programme

Supervised Machine Learning: Regression and Classification — Course 1 · January 2024Supervised Machine Learning: Regression and Classification

Advanced Learning Algorithms — Course 2 · January 2024Advanced Learning Algorithms

Unsupervised Learning, Recommenders, Reinforcement Learning — Course 3 · January 2024Unsupervised Learning, Recommenders, Reinforcement Learning

DeepLearning.AI

5 certificates

Natural Language Processing Specialization

Specialization

Natural Language Processing Specialization

4 courses · Coursera · July 2025

Courses in this programme

Natural Language Processing with Classification and Vector Spaces — Course 1 · July 2025Natural Language Processing with Classification and Vector Spaces

Natural Language Processing with Probabilistic Models — Course 2 · July 2025Natural Language Processing with Probabilistic Models

Natural Language Processing with Sequence Models — Course 3 · July 2025Natural Language Processing with Sequence Models

Natural Language Processing with Attention Models — Course 4 · July 2025Natural Language Processing with Attention Models

Packt

1 certificate

Applied Generative AI & NLP with Python — Applied Generative AI & NLP with PythonCoursera · May 2025

SkillsBooster Academy

1 certificate

Claude Skills: Automating Business Workflows — Claude Skills: Automating Business WorkflowsCoursera · August 2026

Coursera Project Network

9 certificates

ChatGPT for Beginners: Using AI for Market Research — ChatGPT for Beginners: Using AI for Market ResearchProject · Coursera · July 2025

NLP: Twitter Sentiment Analysis — NLP: Twitter Sentiment AnalysisProject · Coursera · June 2025

Using Google Forms to Analyze User Research Data — Using Google Forms to Analyze User Research DataProject · Coursera · June 2025

Create an Employee Feedback Survey with TypeForm — Create an Employee Feedback Survey with TypeFormProject · Coursera · June 2025

Create surveys with Qualtrics — Create surveys with QualtricsProject · Coursera · June 2025

Sentiment Analysis with Deep Learning using BERT — Sentiment Analysis with Deep Learning using BERTProject · Coursera · December 2024

Create Interactive Dashboards with Streamlit and Python — Create Interactive Dashboards with Streamlit and PythonProject · Coursera · September 2024

Facebook Network Analysis using Python and NetworkX — Facebook Network Analysis using Python and NetworkXProject · Coursera · May 2024

Basic Sentiment Analysis with TensorFlow — Basic Sentiment Analysis with TensorFlowProject · Coursera · February 2024

Coursera Instructor Network

1 certificate

Social Listening — Social ListeningCoursera · May 2025