Data Solutions & Analytics

Dolphin Data

Transforming Data Into Insights

We solve complex data challenges from messy datasets to production-ready solutions. Combining statistical rigor with modern technology and intuitive interfaces - turning insights into tools that drive business value.

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AI Assistant

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Welcome to Dolphin Data!

Ask me anything about data analysis, automation, or how we can help with your data challenges.

Solutions

Our Products & Services

A selection of data solutions and analytics platforms showcasing our expertise in analysis, machine learning, and building end-to-end solutions.

Live

Eurowatch

European Parliament speech analysis platform with AI-powered topic classification. Analyzes 100,000+ parliamentary speeches using GPT, with interactive dashboards and research-ready data exports.

Node.js SQLite OpenAI API Express Python Jupyter

Live Demo GitHub

Live

Kantwerk

Sheet metal profile calculator for fabrication shops. Interactive drawing editor for bent metal profiles with automatic cutting length calculations, order management, and PDF export for production specs.

React TypeScript Node.js SQLite Vite

Live Demo GitHub

Live

DataSphere

Futuristic analytics platform with dark blue theme for exploring sales data, customer hierarchies, and product insights. Features advanced data visualization, real-time analytics, and intelligent price calculations with a modern UI design.

Python Flask React SQLite Pandas

Live Demo GitHub

Company

About Dolphin Data

A data solutions company that bridges analytics, modern technology, and practical problem-solving to build solutions that work.

Paul Koslowsky

Co-Founder

Education

2024-2026

MS Business Analytics

Católica Lisbon

2022

Visiting Student

Hawaii Pacific University

2020-2023

BS Business Administration

HHU Düsseldorf

Experience

Present

Co-Founder

Dolphin Data

2025-2026

Analytics

VWS Befestigungstechnik

Python SQL ML Analytics

Felix Mergenhagen

Co-Founder

Education

2025

PhD Economics

TU Berlin / DIW

2023-2025

MS Environmental Policy

Duke University

2023

Visiting Student

Paris 1 Panthéon-Sorbonne

2022

Visiting Student

Hawaii Pacific University

2019-2022

BS Economics

Universität Hamburg

Experience

Present

Co-Founder

Dolphin Data

Energy Modeling

GIZ Madagascar

Python Economics Research Energy

Claudius Kroflin

Co-Founder

Education

2024-2025

MS Business Analytics

Católica Lisbon

2021-2022

Semester Abroad

Turība Business School

2019-2023

BA RSW Auditing

DHBW / PwC

Experience

Present

Co-Founder

Dolphin Data

Energy & Infrastructure

PASM Power & Air Solutions

Analytics Finance Sustainability Research

Expertise

Skills & Tools

The tools and approaches I use to move from raw data to working solutions.

Languages

Python SQL JavaScript TypeScript

Data Science

Pandas NumPy Statistical Analysis Data Wrangling

Machine Learning

Scikit-learn XGBoost NLP Model Evaluation

AI & LLMs

OpenAI API LangChain RAG Prompt Engineering

Data Engineering

SQLite PostgreSQL ETL/ELT APIs

Web & Visualization

React Three.js CSS Data Viz

Get in Touch

Let's Work Together

Ready to discuss your data challenges? We're always open to new projects, partnerships, or opportunities to build something impactful together.

contact@dolphindata.io LinkedIn GitHub