Super Data Science: ML & AI Podcast with Jon Krohn 952: How to Avoid Burnout and Get Promoted, with “The Fit Data Scientist” Penelope Lafeuille
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Dec 26, 2025 
Penelope Lafeuille, a senior data scientist and creator of The Fit Data Scientist, shares her insights on avoiding burnout and thriving in a data science career. She discusses the importance of balancing fitness, nutrition, and rest, revealing her personal journey from finance to life sciences. Penelope emphasizes sustainable workout schedules, optimal nutrition timing, and restorative sleep practices. She also highlights the power of tools like ChatGPT to aid her writing and advocates for a holistic view of wealth, incorporating health and relationships.
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Technical Skill Plus Product Mindset
- Combining technical skills with product and business thinking makes data science more impactful.
- Tools like ChatGPT lowered the barrier for non-native English speakers to create and publish technical content.
Career Pivot Fueled By Health Coaching
- Penelope shifted from finance in New York to life sciences because her work lacked alignment with her five-year goals.
- Hiring a lifestyle and fitness coach helped her reverse burnout and improve both career direction and personal health.
Schedule Workouts Around Life
- Design your workout schedule around your work and social commitments to avoid overtraining.
- Aim for consistent sessions (e.g., four times weekly) while keeping flexibility for life events.
