Sports Event Sponsorship Acquisition

I'm organizing a Music / Air Festival in the north west UK and need to secure sponsorship from corporations.

Key Requirements:
- Identify and approach potential corporate sponsors
- Create compelling sponsorship proposals
- Negotiate sponsorship agreements
- Manage sponsor relationships

Ideal Skills and Experience:
- Experience in securing corporate sponsorships
- Strong negotiation skills
- Excellent communication and networking abilities
- Background in sports event management is a plus

Please provide examples of previous work and success in obtaining sponsorships.