
The Tech Trek Why Most Data Teams Fail
Jul 17, 2025
Join Hicham El-Hassani, Vice President of Data Science at Insurity, with 18 years of experience in building impactful data teams. He challenges the traditional structure of data science organizations, advocating for flexible, multidisciplinary teams to enhance retention and agility. Hicham shares insights into how generalists can rapidly acquire domain knowledge, why execution and documentation trump flashy tools, and how AI can boost productivity without replacing essential human judgment.
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Rotate Crews To Boost Retention
- Build multidisciplinary, crew-style teams that rotate across problems to keep work fresh and improve retention.
- Empower a few senior 'pillars' to hire, train, and transfer knowledge to promising generalists quickly.
Rotate People For Faster Domain Mastery
- Rotate team members across regions and products (even short stints abroad) to gain varied regulatory and domain exposure.
- Use analogies from different lines of business to accelerate learning and creativity.
Features Trump Fancy Algorithms
- Domain knowledge matters mostly for feature engineering and knowing which signals to extract from noise.
- The model choice matters less than the features and how you satisfy model assumptions.

