Julien Cohen-Roussey

Co-founder & CEO of Diffly, formerly Head of Sales & Chief of Staff at Javelo (exit 2023). Passionate about entrepreneurship, SaaS, sales strategy, real estate and table tennis 🏓

Strategy

What your customers say after a "no" (and what your CRM doesn't explain)

21.05.2026 Written by Julien Cohen-Roussey

Strategy

B2B customer feedback collection schedule: method, examples, and tools

24.04.2026 Written by Julien Cohen-Roussey

Sales Enablement

How to analyze your deals in your CRM to improve your win rate

31.03.2026 Written by Julien Cohen-Roussey

Strategy

Win Rate: calculate and analyze your win rate and understand why the ratio alone is not enough to explain your growth

10.03.2026 Written by Julien Cohen-Roussey

Sales Enablement

Why Call Recorders do not replace a true Win/Loss analysis

11.02.2026 Written by Julien Cohen-Roussey

Sales Enablement

Voice of the Customer : Turning insights into visible improvements

03.02.2026 Written by Julien Cohen-Roussey

Tools

Limitations of NPS in B2B : Why it doesn't answer the real questions

30.01.2026 Written by Julien Cohen-Roussey

Strategy

The 7 essential steps to launch an effective Win-Loss Analysis program

12.12.2025 Written by Julien Cohen-Roussey

Strategy

5 reasons not to internalize a Win-Loss Analysis program

02.12.2025 Written by Julien Cohen-Roussey

Sales Enablement

How to analyze and use your lost deals to boost your growth

21.10.2025 Written by Julien Cohen-Roussey

Tools

How Win-Loss Analysis can save your sales pipeline during Q4

21.10.2025 Written by Julien Cohen-Roussey

Tools

3 overlooked KPIs for managing an effective Win-Loss program

20.10.2025 Written by Julien Cohen-Roussey

Tools

Diffly raises €1.7M to become the European leader in Win-Loss Analysis

08.10.2025 Written by Julien Cohen-Roussey

Strategy

Customer satisfaction in B2B : an underestimated strategic lever

06.10.2025 Written by Julien Cohen-Roussey

Tools

Win-Loss Diagnostic : Turning lost deals into growth opportunities

25.09.2025 Written by Julien Cohen-Roussey

Julien Cohen-Roussey

Stop losing prospects and customers without knowing why.