How to Become a Freelance Data Scientist
What data science professional out there hasn’t thought about making a little extra moolah by moonlighting as a freelance data scientist? We almost ALL have.
November 18, 2025
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Lillian Pierson, P.E., fractional CMO and growth strategist, engineers marketing systems that drive predictable growth for tech startups. With a professional engineering license and 20 years of experience driving growth for Fortune 100 and early-stage companies alike, she bridges product and growth marketing to drive real boots-on-the-ground traction. She's trained 2M+ professionals in AI and data, grown organic channels to 750K+ followers, and authored 11 books including Data Science For Dummies. Lillian helps VC-backed and bootstrapped founders (pre-revenue to $6M ARR) scale through structured playbooks and data-driven systems.
What data science professional out there hasn’t thought about making a little extra moolah by moonlighting as a freelance data scientist? We almost ALL have.
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