Crowdfunding Site Engagement Boost

I need a multi-channel promotional campaign to increase user engagement on my crowdfunding website, https://www.soscrew.org/.

Goals:
- Increase user engagement on the site.
- Promote through social media marketing, email marketing, and paid advertising.

Target Platforms:
- Facebook
- Instagram
- Twitter

Ideal Skills and Experience:
- Proven track record in increasing engagement on crowdfunding platforms.
- Expertise in social media marketing across multiple platforms.
- Strong email marketing skills with a focus on user engagement.
- Experience in designing and managing effective paid advertising campaigns.
- Ability to analyze and report on campaign performance.

Please provide a portfolio with relevant experience.