About Stacy
About me

About me
Hi, I’m Stacy Ozier-Lafontaine — but my nickname is "Staceefy".
That nickname was coined by a former sales director who used to call me a “growth machine.” I always had the right tool, the best process, or the most efficient workaround to get things moving. Back then, every SaaS startup /product ended in -ify — so the name stuck.
Today, Staceefy is the version of me that founders, marketers and product teams bring in when they need clarity, momentum and results.
With 10+ years of experience across SaaS, e-commerce, healthcare and B2B services (especially in the French market), I specialize in building growth systems that are strategic, structured and scalable.
I work at the intersection of marketing, product and ops — helping you move from scattered tactics to structured growth. Whether you’re launching your first campaign, connecting your tool stack, or aligning product and marketing, I help you design smarter systems, faster.
Outside of work, I teach part-time, train in Muay Thai 🥊, play piano, and coach young professionals from underserved backgrounds. I like things that require focus, iteration and impact — whether it’s building funnels or throwing kicks.
my VALUES
Hard work, creativity, knowledge , confidence.
11 years of experience
500+ Run Growth Experiments
32 clients worldwide
Her passion for growth marketing combined with her strong technical skills makes her a truly T-shaped professional whose services should be taken advantage of. One of the people I've most enjoyed working with throughout my career.
Jean Bonnenfant
Head of Growth at Trezy & Growth Advisor
Resume
Work experience
- Since April 2023
Fractional CMO | Growth Strategist | Corporate Trainer
- Staceefy : Fractional CMO & Corporate Trainer
- International Institute for Learning: Corporate Trainer (AXA Partners) Maximizing Content Impact: Content Creation and Repurposing Strategies for Social Media.”
- HEC Paris: Coach HEC Startup Launchpad + taught “Growth Marketing 101” course
- ISCOM Paris & Lille: I teach MSc programs.
- ECV Digital School: I teach Ideation & Product Marketing courses
- Village by CA: practical growth marketing workshops for companies incubated by the Crédit Agricole bank
- 2021-2023
Lead Corporate Trainer at Growth Tribe, Paris-Amsterdam
60% Training & consulting / 30% Growth Marketing & Management
Trained 2000+ people in Growth & Digital Marketing. 1-1 Coached 450+ individuals. Hosted webinars with more than 2500 attendees. Facilitated workshops and projects on Growth, Activation, and Retention Projects for marketing or product teams for Schneider Electric, Proximus, Qare, Dataiku, Gan, EDF, HEC, Skema Business School, Klaxoon…
- Since 2017
Co-founder | Fractional CMO at Digital Ladies
I co-founded Digital Ladies Freelance Collective with my sister
Consulting, Strategy and Implementation (Branding, Growth, Digital Marketing, Product…) for SMBs, solopreneurs and startups.
- 2020-2021
Growth Marketing Manager | CRO | Sendcloud, NL
- 2018-2021
Growth Marketing Manager | Mapcreator, NL
- 2017-2018
Digital Marketing Manager - Geoconcept Group , Paris
- 2016-2017
Marketing Manager- YouLoveWords Agency, Paris
- 2015-2016
Marketing Manager- BébéCash, Paris | E-commerce
Resume
Work experience
Resume
Education
- 2021
Cross-functional UX Designer
Growth Tribe, Amsterdam
- 2018
6-Month Growth & AI
Growth Tribe, Amsterdam
- 2015
MSc Digital Marketing
INSEEC Paris
- 2012
Bachelor Social Sciences,
Information and Communication Technology
Université Paris VIII








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