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

Wein & Vinos GmbH

Head of Performance Marketing

Here are some possibilities I can take your business growth to the top:

➔ Offline marketing strategy, regardless of whether you haven't done anything yet or are already in the middle of it
➔ Generating growth on the big screen TV /CTV, or even bigger (D)OOH
➔ Questions about the impact and/or booking of radio and podcasts
➔ Pitching, challenging, steering agencies for your offline channel
➔ Interims management in your team…

Marketing Expert

Jimdo

Marketing Consultant

● Functional & strategical leadership of offline marketing globally within the agency, in order to increase the operational excellence and strategic consultancy for clients – e.g. defining role expectations, supporting professional development, constant verifying of channel development into digital environment (e.g. CTV, DOOH)
● Responsibility for media buying – leading budget and contract negotiations with relevant media partner, relationship management, exploring new potential partner and buying models, developing an internal structure, setting up a team & several reports
● Stakeholder for data & tech teams – discussing tracking & multi-channel attribution, increasing process efficiency via automation

Global Expert Offline Marketing

Asana Rebel 

- Development of the offline marketing strategy to grow the company
- Budget and performance forecasting
- Establishing tracking and analyses for offline channel
- Close collaboration with digital marketing, e.g. user journey on landing page

Head of Offline Marketing

Babbel (Lesson Nine GmbH)

- Responsible for a team of five, incl. hiring, developing and achieving set company goals
- Management of eight digit annual budget and performance forecasting in 16 countries
- Contract negotiations with external partner and agencies
- Close collaboration with digital marketing, e.g. landing page creation, keyword search, YouTube
- Collaboration with other departments (e.g. Brand, Data, International Growth)
- Coordination of efficient roll-out, localization and evaluation of marketing campaigns

Goodgame Studios

- Functional lead of three colleagues
- Handling of international TV Campaigns, from conception to analyses
- Defining and developing TV analyses and tracking with internal and external partners
- Aligning of direct response and brand marketing
 -Strategy development for new and stock products in collaboration with different departments (SEO, SEA, BizDev, Video-Creatives)
- Account management of global partners

Senior Marketing Manager

Digital Performance GmbH

Mediamarketing Manager

Innogames GmbH

Media Partner Manager

Aegis Media

Planning & Buying

Senior Marketing leader with extensive experience gained in fast-paced multicultural environments in a variety of industries. Background includes 15+ years professionally in the fields of offline user acquisition. Strong understanding of direct response marketing to drive profitable growth with data driven approaches, the understanding of how offline marketing is driving digital marketing and that direct response has to go hand in hand with brand.

Assured communication abilities through managing and working with people across functions and from diverse cultures, with a proven track record of team & stakeholder management.

Here are some possibilities I can take your business growth to the top:

➔ Offline marketing strategy, regardless of whether you haven't done anything yet or are already in the middle of it
➔ Generating growth on the big screen TV /CTV, or even bigger (D)OOH
➔ Questions about the impact and/or booking of radio and podcasts
➔ Pitching, challenging, steering agencies for your offline channel
➔ Interims management in your team…

And more. Just send a message and we’ll figure out together what you need and how can I support you and your company growth!

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Joy Chatterjee

Ulrike Tusk

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