Privacy Policy for Mar-Sci

Who We Are

Our website address is: https://mar-sci.com.

1. Data Collection and Usage

• We work only with aggregated marketing data hosted on your own cloud storage (e.g., Google Drive).
• No raw or personally identifiable information (PII) is collected, stored, or shared.
• We access data via temporary Google Colab sessions with your explicit permission.
• Sales and marketing data remain on your own cloud infrastructure.
• No copies or transfers of your data occur; no third-party systems are involved.
• All access is session-based and used only for research or trial collaborations.
• Explicit written permission will be requested for any additional access (e.g., model training).
• You can revoke access at any time via your cloud platform’s sharing settings.
• We use secure OAuth authentication. Mar-Sci does not store or reuse OAuth tokens.

2. Data Access and Storage

• All data remains in your cloud environment (e.g., Google Drive).
• Mar-Sci does not store, retain, or transfer any client data.
• All access is temporary, session-based, and purpose-limited.

3. Model Training and Data Sharing

• Any sharing for model training will be explicitly requested in writing.
• You retain full control and can reject any such request without consequence.

3.1 Open Source Software

We use the following open-source libraries in our modeling work:

• Media Mix Modeling: Meridian (Apache 2.0 License)
• Change-Point Detection: HierCPD, Apache Otava, TensorFlow Probability
• Causal Impact / Inference: Google’s CausalImpact, PyCausalImpact, DoWhy, EconML, gCastle, CausalAI
• Visualization & Exploration: Apache Superset, ArviZ
• Bayesian Hierarchical Models: PyMC, Bambi, CARBayes

All tools comply with GDPR and privacy laws by processing only aggregated, non-personal data.

4. Data Security

• All access uses secure, industry-standard OAuth authentication.
• We do not share information with third parties or external services.
• OAuth tokens are handled via client-side flows and not stored or reused.

5. Transparency and Control

• You control access to your data at all times.
• Access can be revoked through your cloud provider’s sharing settings.
• We will delete any temporary analysis artifacts on request and cease access immediately.

6. Contact Us

For questions or concerns regarding your data or privacy, reach us at:

• Email: info@mar-sci.com
• Phone: +353 87 4626572
• Address: O’Reilly Institute, Trinity College, 25 Westland Row, Dublin, D02 PN40

7. Cookie Policy

Last updated: July 14, 2025

This Cookie Policy explains how Mar-Sci uses cookies and similar technologies in compliance with GDPR and EU privacy laws.

What Are Cookies?

Cookies are small text files stored on your device when you visit a website. They help enhance user experience and measure website performance.

How We Use Cookies

• Essential Cookies: Required for basic site functionality.
• Analytics Cookies: Help us understand site usage and improve performance.
• Marketing Cookies: Used to deliver personalized content and measure campaign effectiveness.

We do not share cookie data with third parties.

Your Consent

On your first visit, you can choose to accept or reject non-essential cookies. You may adjust your preferences anytime via browser settings or our cookie tool.

Managing Cookies

• Delete existing cookies
• Block new cookies
• Set alerts before cookies are placed