About Sebastien
Dutch
Native or bilingual
English
Native or bilingual
French
Conversational
German
Basic
Experience
- Ceruleo LLCFreelance Sales ConsultantJuly 2025 - Today (11 months)Supporting SMEs with sales strategy, funnel design, outbound campaign development, SDR coaching, and performance tracking. Helping companies build lean, scalable, and high-performing sales operations.
- ALTEN NetherlandsHead of SalesJuly 2024 - June 2025 (11 months)• Leading and mentoring a team of 10 Business Managers across multiple regions• Leading the strategic oversight of a 180-engineer team, ensuring effective project execution and alignment with business goals• Designing and implementing KPI-driven sales strategies aligned with company goals• Overseeing end-to-end sales operations, including target setting, forecasting, and performance tracking• Building C-level relationships and driving strategic account growth• Coaching teams to improve sales process efficiency and team motivation
- ALTEN Belgium - NetherlandsBusiness Unit ManagerDecember 2022 - June 2024 (1 year and 6 months)Eindhoven, NB, Netherlands• Scaled a business unit from 0 to 90+ engineers and €12M turnover• Managed and mentored 6 Business Managers across 3 countries• Launched a successful offshore delivery model across Morocco, India, and Spain• Implemented sales enablement and RevOps structures, improving margin from 32% to 44%• Built long-term C-level client relationships and drove strategic growth initiatives
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Education
- MBASoutheast Missouri State University2019MBA
- Bachelor of ScienceUCLL2018Bachelor of Science