Marck Vaisman, a Senior Cloud Solutions Architect at Microsoft and adjunct professor, shares his insights on effective data science roles. He reveals four key data practitioner personas and critiques common career roadmaps that often fall short. Discussing the elusive nature of the “data scientist” title, Marck emphasizes the importance of clarity in roles and skills. He highlights the essential blend of technical know-how and soft skills necessary for success, alongside the increasing significance of community and generative AI tools in the field.