Marketing consultant - Google/FB/IG/Twitter Campaigns + Social management

For young sport webapp Zethion startup.
https://zethion.com

Searching for real expert in marketing.
Required:
- availability (also with scheduled) 24/7
- real expertise on campaigns strategies, not only creating, producing assets and type/segments perfect for our situation
- VERY IMPORTANT good communication and frequently , no ghost people
- Periodic reports and check about results and next steps/strategies to do

Nice to have
- sport knowledge background

Other details to discuss in chat, first trail on a week, then second trial in 2 weeks, final long term collaboration monthly payment