Joy Chatterjee

DCMN

Specialize in developing end-to-end ML infrastructures and solutions to tackle complex marketing challenges.

Work with and integrate advanced platforms such as Codeium, Cursor AI, ChatGPT, replicate.ai, fal.ai and many more to streamline research and accelerate development. Off and on designing scalable pipelines on native and cloud platforms, to activate real-time predictive models, time series forecasting, customer segmentation, ROI optimization and more.

Lead AI Engineer

- Led the project for multivariate time series forecasting of client campaigns, resulting in significant insights in ROI for TV campaigns.
- Implemented LLM-based chatbots for internal teams, using RAG architectures and context
tuning models.

Senior Data Scientist

The Joy of Data

Product Ops & Data Consultant, with over 10 years of experience in data science and three years in product led growth (PLG). Founder of The Joy of Data, based in Berlin.

For data, collaborative ventures with Mercedes, FedEx, Just Mad as well as AI startups such as brighter AI, DCMN focussing primarily into leveraging data for strategic product led growth.

For product, over the past three years, been a data partner for product teams. Responsible for boosting Product Led Growth (PLG) strategies through the application of data science methodologies and data analytics. Expertise domain includes proficiency in product operations, OKRs, KPI driver trees, cohort analysis, user segmentation and much more.

Founder

ShowHeroes Group

Data Scientist (In House Consulting)

brighter AI

Data Scientist

Data Engineer

Mercedes-Benz Research & Development North America, Inc.

Mavrx Inc.

Working on specific project oriented machine vision tasks to aid the system of smart farming techniques developed and monitored by Mavrx Inc.

Machine Learning Engineer

MARKABLE

Rochester Institute of Technology

Work at the lab mainly revolves around projects in the genre of algorithm development. The algorithms are aimed at solving various problems from the image processing and computer vision communities.

Graduate Research Assistant

Peer Advisor Leader

CESC Ltd.

Worked with a team of four to establish and implement control algorithms to modulate the outlet steam efficiency of the central boiler system in a thermal power plant.

Technical Intern

🌱 Founder, The Joy of Data 🎯 Helping Product Teams Grow With Data Science 🚀 Ex-Mercedes | Lead Data Scientist 🎙️ Speaker, Podcasts, YouTube

🚀 Lead AI Research Engineer | Data Science Expert | Product Coach 🚀

With over 11 years in Data Science and AI, I specialize in developing innovative, Data-Driven and AI solutions that elevate Product performance and drive Business Growth. I bring a unique blend of hands-on technical skills and strategic Product insight, supporting teams to leverage Data for informed decision-making and robust growth strategies.

🔹 Key Highlights:
	•	LLMs & Chatbots: Implemented advanced LLM-based chatbots with RAG architectures, boosting team efficiency and workflow.
	•	Predictive Analytics: Achieved a significant ROI increase on client TV campaigns through multivariate time series forecasting.
	•	MLOps & Automation: Created scalable pipelines with Docker & Kubernetes, ensuring seamless deployment and monitoring.
	•	Patented Innovations: Primary author on two patented ML technologies, focusing on object tracking and anonymization.
	•	Cross-functional Leadership: Successfully lead teams and mentor junior Data Scientists, ensuring collaborative, data-driven decision-making.

🔹 Technical Arsenal:
Python 🐍 | SQL 🗃️ | Big Data Ecosystems | Statistical Modelling 📊 | A/B Testing | Cloud Environments (AWS, Azure)

🎙️ Speaking Engagements :
An avid speaker at prestigious Data Science and AI conferences over the past two years, where he shares his insights and experiences to foster a collaborative and informed Data Science community.

Lead Data Scientist

Joachim Schirra

Neuraxpharm

Projektmanagement
Dienstleistersteuerung
Klärung der Prozessanforderungen der Stakeholder
Standardisierung und Harmonisierung der Prozesse, Abgleich mit dem Corporate Standard und sofern notwendig Erweiterung des Corporate Standards oder Umsetzung lokaler Lösungen in SAP ERP
Reporting/Planung/Analytics in SAP SAC und SAP BW/4HANA
Direkte Unterstützung von SAP-Benutzern.

Corporate Senior SAP Analyst

avantum consult GmbH

Projekt- und Produktmanagement von vorkonfigurierten Analytics und Data Warehouse Lösungen sowohl auf Basis des SAP BI & Analytics, des Microsoft und des IBM Analytics Technologie Portfolios.

Director Produktmanagement

Disziplinarische Führung und Weiterentwicklung eines an zwei Standorten verteilten Teams von erfahrenen Business Intelligence / Data Warehouse, ETL und Analytics Spezialisten mit hoher  Kompetenz im SAP BI und Analytics Portfolio. Entwicklung neuer Themen, Services und Lösungsangebote, Pre-Sales Unterstützung der Brancheneinheiten, Akquisition neuer Kunden; Übernahme von Programm- und Projektmanagementverantwortung in komplexen BI Projekten und Programmen, BI Architekturberatung, Entwicklung neuer Geschäftsmodelle auf Basis von SAP Analytics Produkkomponenten, Beratung in den Themen Multiprojekt-, Programm- und Portfoliomanagement in Analytics Abteilungen.

Abteilungsleiter

Principal Business Consultant - SAP BI

dormakaba International Holding GmbH

Team Lead Application Service Delivery & Support - Region Europe

Self employed

Project Manager / Interim Manager

Vodafone Kabel Deutschland GmbH

Portfolio Management, Budgetmanagement, Program Management, Escalation Management, Project Management, PMO Management, Project Reviews, Project Controlling, Prioritisation of Requests, Managing of Ressource Conflicts, Nearshoring Management, Improving Project Management Methodology, Project Governance, disciplinary responsibility for a team of internal & external Project  Managers.

Gruppenleiter Portfolio-& Projektmanagement Business Intelligence Competence Center

SHS VIVEON AG

Sales Consulting for Business Intelligence Solutions (focus on SAP BI / BO based applications)
Project Management
Team Lead Corporate Performance Management

Manager Corporate Performance Management (SAP BI)

Self - Employed

Self employed since I left IDS Scheer AG in 2007. Focus on conceptional BI Consulting including
- BI Requirement Management
- BI Architecture
- BI Strategy
- BI Governance
- Corporate Planning, Forecasting &amp; Simulation

Biggest BI Project I have participated in the last 12 years of consulting work:
Budget: 6 Million Euro
Scope: &quot;Global Supply Chain Intelligence&quot; covering the whole order fulfillment process as well as freight management and inventory management.
Regional Coverage: Global system across 4 major regions (Europe, Asia Pacific, Norht America, South America)
Team size: in peak times around 55 people in Business, IT departments, Governance departments
Nationalities involved: Asians, Europeans, South Americans &amp; North American people
Industry sector: Chemical industry

BI Consultant

IDS Scheer AG

Core Service Manager SAP BI in a global consulting company having functional responsibility to build up a SAP BI team across all sector specific divisions, Project Manager for medium and large SAP BI projects, pre saless support for the acquistion of new SAP BI projects, support in the hiring process for new SAP BI specalists.

Core Service Manager Business Intelligence

DHC Dr. Herterich & Consultants GmbH

SAP ERP implementation consultant (focus on SAP ERP MM)

Consultant

Multiprojekt-/Programm-/Projektmanagement, Portfoliomanagement, Business Intelligence mit Schwerpunkt auf SAP Technologien, Unternehmensplanung- & Reporting, Prozessmanagement, Requirementmanagement, Service Delivery Management, disziplinarische Führung

taplio

The Battle

Joy Chatterjee

Joachim Schirra

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