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

Mark V. Smetanin

Unlock Success for Airbnb and Short-Term Rental Business. Recently by Improving the Product - Increased Engagement by 42% , conversion rate by 74%, and acquired 2.5M new users.

As a product management leader with over eight years of experience in payments, e-commerce, Airbnb business, property management, I am a fan of technology and its application to drive business growth.My expertise lies in product management, agile coaching, portfolio management, and strategic planning.I have experience in increasing user engagement, optimizing technical processes and leading high-performance teams.

Key Highlights:

Director of Product Management: Enhanced user engagement by 16% and improved product value description by 14% through strategic market research and collaboration.

Senior Product Portfolio Manager: Managed a $1.2M project, leading to an $8M revenue projection and a 17% increase in Net Promoter Score. 
Risk assessment methods were applied, which reduced project disruptions by 24%.

Head of Product Strategy: Increased customer engagement by 42%, improved conversion rates by 74%, and acquired 2.5M new users—reduced marketing expenses by 28% by addressing critical pain points.

Skills and Expertise:

Product Management/Product Owner: Agile Frameworks, Scrum, Kanban, SAFe
Technical Proficiency: Jira, Asana, Hubspot, Salesforce
Industry Expertise: Fintech, E-commerce, Property Management, Vacation Rentals
Certifications: PMI-ACP, PMI-PMP, CSM, CSPO

Professional Experience:

Nine years in product management, agile transformation, and strategic planning
I have experience in leading cross-functional teams to deliver high performance products.
Skilled in negotiating and managing key partnerships and stakeholders

Interests:

The God's Flow State, Coffee, Stand-up comedy, Kite surfing, Skiing, Music, martial arts (2 black belts), Reading, and Hiking.

Technology Stack:

Jira, Jira Service Desk, Hubspot, Asana, Zoho Projects, Microsoft Project, Basecamp, ClickUp, Todoist, PipelineCRM, Freedcamp, Hive, Monday, Trello, Time tracker, Pivotal Tracker, Slack,Excel, Powerpoint, MS Sharepoint, MS Visio, MS Project, MS Access, Prezzi, Numbers, Pages, Photoshop, Lightroom, Planview, Linux, FreeBSD, Quality Center, ZohoCRM, ZenDesk, Zoho Desk, Fresh Desk, Vivantio Help Desk, FreshService, Salesforce Service Cloud, Hootsuite, WordPress, HTML, CSS, OBS, Mindmaps, Focus Matrix, Dropbox Paper, Skitch, Insightly CRM, Payment Gates (Visa, Mastercard, AMEX, Square, Braintree, Stripe, Paypal, Authorize.net, 2checkout, Payoneer, Bitpay, Shopify Payments), Google Analytics, Google Search Tool, Google Ads, Microsoft Ads, MCP, Rentals United, Avirato, Expedia, Booking.com, Airbnb, VRBO, PMS, Glovebox, Coterie, Risk Advisor, AWS, Crowe CRM, Salesforc

Lead Product Manager / Product Owner / Consultant

•     Improved a Product using a customer journey map, understanding and prioritizing the most critical pain points in the most profitable segment. Provided clear concept and design strategy. Collaborated with Dev and UX teams. Increased customer engagement by 226%, Improved conversion rate by 74%, and acquired 2.5M, new users.

•     Planned and facilitated an extraordinary spike for (AI) Artificial Intelligence tools and prompts. Fixed and resolved seven major issues when team members just felt stuck. 

•     Raised team confidence after the last check-in. Positive emotions and gratitude are on our happiness radar. The current sprint is 100% happiness VS 78% at the previous sprint. 

•     Organized the most efficient communication with stakeholders and implemented advanced product backlog refinement, reducing the backlog by 16%.

•    Stepped forward with special coaching from our Unique Coach and very advanced Scum Master. Differentiated workflow steps, business rule variations, variations in data, and interface variations, polished and deepened INVEST criteria. Dramatically improved the slicing of our vertical stories. Delivered value ~20% faster with the smallest increments to our customers. 

•   Implemented automated test script, additional smoke test after the build is released to QA, and code review by peers. Armed new Definition of Done (DOD) for our dev team. Changed Sprint Planning Agenda. Raised team confidence level in delivering the sprint goals to 94%. 

•    Implemented automated test script and code review by peers. Armed new Definition of Done (DOD) for our dev team. 

•     Collected the data via Web-tracking and customer interviews,  tested and validated assumptions with the development team. Provided much precise anatomy of personas. Redesigned current marketing campaign reducing waist by 28%

Spikes:
Sustainable and environmentally conscious business practices
Enterprise Agile: Changing your culture

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Mark V. Smetanin

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