Dear (name of sponsorship decision maker),
I hope this email finds you well. My name is (your name), and I am (your job title) at (your organization), (something positive and attention grabbing about your organization).
(Your event / opportunity) is taking place (dates) and (say something that should capture their interest). Our previous editions have attracted over XXXXX attendees, featured XXX influential speakers, and enabled numerous valuable business opportunities. (Your event) is all about (what it's about). This year, we are looking to bring together even more (your audience) who are (why they're desirable to a brand).
As we prepare for (your event / opportunity), we are dedicated to making it an unforgettable experience for all participants. Partnering with (their brand) would bring immense value and provide an excellent platform to showcase your innovative products and services to (your audience), like it did for our other partners (share examples of previous partners).
(Include quote, video, photo, and/or data here)
Please take a look at the brief slide deck attached. Then I would love to have a quick call with you to discuss the potential collaboration in more detail and explore the various opportunities available.
Please let me know some time windows over the next few business days when you're available.
Thank you for your time. I look forward to hearing from you.
Sincerely,
(Your name)
(Your job title)
(Your organization)
(Organization website link)
(Your contact info)