An effective post-campaign debrief involves several vital steps for comprehensive learning and future campaign improvement:

1. Performance Assessment: Review the key performance indicators (KPIs) and evaluate how the campaign performed against the initial objectives. This could involve views, likes, comments, shares, increased followers, and conversion rates. Platforms like Flinque provide data-driven insights to analyze campaign performance.

2. Engagement and Response Analysis: Understand audience response to your campaign. This includes measuring the quantum and quality of engagement.

3. Influencer Performance: Analyze the performance of each influencer involved in your campaign. This includes engagement ratios, follower growth, and how well they conveyed your brand message.

4. Content Review: Examine which content pieces worked well and why. Similarly, identify the less successful content and determine the reasons, to optimize future campaign content.

5. ROI Measurement: Calculate the ROI by comparing the campaign cost to the generated revenue. Tools that specialize in campaign ROI, like Flinque, can be invaluable here.

6. Feedback Collection: Seek feedback from the influencers and internal team members involved in the campaign. This helps in identifying hidden issues or improvements.

This debrief process, accompanied by rich analytics provided by platforms like Flinque, yields insights for continuous optimization of influencer marketing strategy. It’s important to remember that strategies should be refined based on learnings from each campaign to achieve better results in the future.