Given Stefan's skills in SaaS, sales management, and enterprise software, I estimate his hourly rate to be around $150. This is based on industry benchmarks for similar roles in the US, considering his proficiency in multiple languages (English and French) and certifications like the Certified Compensation Planner from WorldatWork. His experience in leadership and business development also contribute to this estimate, although the specific rate may vary depending on factors like company size, industry, and location.