Newsletter Insights — independent newsletter & sponsorship data across 41K+ newsletters
Browse all →
Interested in sponsoring Sen. Mark Kelly’s Substack?
Enter your email and we'll send your inquiry to the Newsletter Insights team.
Need a wider shortlist than just Sen. Mark Kelly’s Substack?
Tell us your brand and audience. We send back 10-15 newsletters matched to your brief, with sponsor history and CPM ranges per placement.
$300·2-3 working days·refunded if we can't deliver
See what's includedDownload PDF Media Kit
Sen. Mark Kelly’s Substack's metrics, benchmarks, and sponsor data in one document