Promoting guest speakers can be done through various strategies: - Teaser Emails: Send out teaser emails with snippets of the speaker's insights to build anticipation. - Dedicated Speaker Sections: Create dedicated sections in your email newsletters to highlight the guest speaker. - Social Proof: Use testimonials and social proof to emphasize the speaker’s expertise. - Interactive Elements: Incorporate interactive elements such as live Q&A sessions or webinars featuring the guest speaker.