Is this a good summary for my resume?

[FernHill]

You have a bit too much jargon ("buzz words"), along with a spelling mistake (possesses). Here's a rewrite for you:

Experienced, highly motivated leader who thrives in fast-paced team-oriented environments. Exceptional writing skills and creative approach to social media, event promotions and media reach out. Proactive, results-oriented self-starter with the ability to adapt to diverse environments.

The final sentence is full of jargon, but it's the type of jargon that potential employers love to hear