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Mark Freeman

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Chief Data Scientist IBM Consulting

Executive data scientist with PhD-level education and over 25 years experience in advanced analytics and machine learning. As a Chief Data Scientist at IBM Consulting, he leads data science teams delivering production grade machine learning solutions to clients across multiple industries. He is a published author of advanced analytics research and principal patent author for optimal automated forecasting.

Bio from: Shift Left Data Conference 2025

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In this episode, I sit down with Mark Freeman and Chad Sanderson (Gable.ai) to discuss the release of their new O’Reilly book, Data Contracts: Developing Production-Grade Pipelines at Scale. They dive deep into the chaotic journey of writing a 350-page book while simultaneously building a venture-backed startup. The conversation takes a sharp turn into the evolution of Data Contracts. While the concept started with data engineers, Mark and Chad explain why they pivoted their focus to software engineers. They argue that software engineers are facing a "Data Lake Moment, "prioritizing speed over craftsmanship, resulting in massive technical debt and integration failures.

Gable: https://www.gable.ai/