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Sylvain Pennetier

Sports analyst, CSCS
Philadelphia, Pennsylvania USA

About

Certified Strength & Conditioning Specialist with a tech and data background, working in applied sport science and performance coaching. My goal is to use and provide useful data-driven insights for athlete development to help organizations, and individuals translate performance metrics into personalized training decisions.

Experience


Performance coach, sports analyst

Aug 2025 - Present
- Performance coach: remote coaching for recreational athletes - Live data gathering at NBA, NFL, College Football and Basketball games for Nash Research - Data integration consulting at USL level: architecture and pipelines implementation, KPI development, quality standards, interpretation towards individualized training programs

S&C internship

Apr 2025 - Jul 2025
- Macro/microcycle program development and modifications for physique athletes - Nutrition profiling and program development- Sports psychology: motivation for gen pop and recreational athletes - Helped with KPI management, entrepreneurship tasks

Gym ownership internship

Apr 2025 - Jul 2025
- Director's tasks shadowing: business development, membership management, employee management, equipment maintenance, marketing & communication - Group class principles and implementation (including LesMills) - Helped with digital strategy, KPI systems, business strategy

Data Analyst / Analytics Engineer

Feb 2021 - Feb 2025
- First for Smartway, then a year self-employed - Adhoc analysis and dashboards for sales, products, and international teams - ELT development & maintenance (dbt-centric) - Data quality & documentation - Tableau admin - Cross-disciplinary communication & training

Marketing Manager

Aug 2017 - Feb 2019
- Team management, C-level daily communication - Product owner of a SaaS - Organization of international tech events & conferences - Internal communication strategy - Marketing strategy & analytics reporting

Co-founder

Oct 2012 - May 2017
- Co-founder & VP: administrative tasks - Designed data-backed marketing, business, and engagement strategies in B2B, B2C, and C2C. - Provided regular training for 15+ customers in web marketing and business management. - Managed 300+ international customers, with a 92% month-to-month retention rate over 2 years.

Education


Strength & conditioning - CSCS
Aug 2025 - Aug 2025

Data management
Jan 2014 - Dec 2024
- Associate Data Engineer in SQL | Datacamp - SQL, Star Schema Modeling, Design & Implementation | NextDecision - Maîtrise (“Bachelor” +1 year) of Digital Marketing & Sales, GDPR | CNAM Nantes, France

Biochemistry, Molecular Biology - Bachelors
Sep 2010 - Jul 2012

Food Science & Engineering - Associates
Sep 2008 - Jun 2010

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