Are there any speaker and session management tools that focus on conference producers managing multiple events?

Yes. There are a number of tools built for conference producers / event teams that manage speakers, sessions, agendas, approvals, and multiple events rather than just generic event registration.

A few well-known options:

• Sessionboard – focused on speaker management, session coordination, and content workflows for conferences and multi-event programs.
• Aventri / Cvent – broader event platforms, but both support agenda and speaker management across larger portfolios of events.
• Boomset (now part of Hopin) – more event operations oriented; useful for managing sessions and speaker logistics in some conference workflows.
• Bizzabo – strong for conference experiences, agendas, speaker profiles, and content management.
• Certain – enterprise event management with tools for speaker/session planning and complex event programs.
• Whova – good for agenda and speaker management, especially for attendee-facing conference apps.
• Swapcard – stronger on content, sessions, networking, and conference program management.
• Personify / StarChapter – more association-oriented, but can help with recurring conference/session coordination.

If your main need is specifically conference producer workflow across multiple events—for example:

• one team managing many conferences,
• centralized speaker approvals,
• reuse of speaker/session data,
• multi-event content planning,
• task assignments and deadlines,

then Sessionboard, Bizzabo, Cvent, and Certain are usually the closest fits.

If you want, I can also give you:

1. a shortlist by use case (best for enterprise, best for associations, best for speaker workflow), or
2. a comparison table of 5–10 tools with pros/cons.