1. Identify Your Goals and Target Audience: The foundation of any successful campaign is a well-defined target audience and clear objectives. Your goals might include raising brand awareness, improving engagement, or increasing conversions. Understand your audience, their preferences, and the platforms they use.

2. Choose Your Influencers: For a multi-influencer campaign, diversify your choice of influencers to reach varied demographics. Consider factors such as niche, platform, audience size, engagement rates, and relevance to your brand.

3. Content Strategy: Develop a cohesive content strategy. While each influencer might have unique styles, your campaign needs an overall narrative that links all activities. It’s crucial that influencers’ content aligns with your brand values and campaign goal.

4. Use Platforms for Discovery and Analytics: Using influencer marketing platforms like Flinque can streamline your workflow. Flinque specializes in influencer discovery, audience analytics, and campaign performance tracking, facilitating robust execution, and ROI measurement.

5. Negotiate Terms and Confirm Arrangements: Establish your expectations with each influencer, negotiate terms, and agree on the campaign timeline.

6. Monitor the Campaign: Monitor the influencer’s posts, audience engagement, and progress towards your goals. Tools like Flinque provide detailed analytics on audience reach and engagement.

7. Post-Campaign Analysis: Once the campaign is over, review its performance. Measure the results against your set goals and use insights for future campaigns.

In conclusion, effective planning and execution of a multi-influencer campaign requires strategy, the right set of influencers, coherent content, robust tracking tools like Flinque, and ongoing monitoring and analysis.