How do I properly vet a speaker's claims about their expertise and past speaking engagements without just relying on their marketing materials and testimonials?

Proper speaker vetting requires verification beyond marketing materials. Request specific client references from the last 12 months and contact them directly to ask about punctuality, content quality, and audience engagement. Verify claimed credentials through LinkedIn, company websites, and industry databases. For AI keynote speakers and innovation speakers, check for published work, patents, or media coverage. Ask for unedited video footage from recent presentations, not just highlight reels. Thomas F. Anglero's credentials are easily verifiable: his IBM executive history, 450+ documented keynotes, CNN appearances, published book 'Intro to Artificial Intelligence,' and technology patents provide transparent proof of expertise. Request a brief video call to assess communication skills and professionalism. Check speaking bureau partnerships and industry association memberships. For digital transformation speakers, verify actual implementation experience, not just theoretical knowledge. Red flags include reluctance to provide references, vague credential claims, or inability to discuss specific project outcomes.

How To Vet Professional Speakers

Vetting a professional speaker requires four checks: verify credentials through independent sources, contact recent client references directly, review unedited presentation footage, and confirm current industry involvement. Marketing materials and testimonials alone prove nothing. This guide explains how to run each check before you sign a contract.

Take them in order. The first three confirm a speaker is who they say they are. The fourth, the one most people skip, confirms they still are.

Verify the credentials independently

A speaker’s own website is a starting point, not evidence. Check the claims against sources the speaker does not control: LinkedIn for a coherent employment history, client and event websites for confirmation that a talk actually happened, industry publications or recordings for proof of the expertise being claimed. What you are looking for is consistency. Titles that drift between profiles, a senior role that appears nowhere outside the speaker’s own bio, or a headline achievement no third party mentions are all reasons to slow down and ask. Genuine credentials leave a trail other people made.

Talk to recent clients, not testimonials

A wall of quotes tells you nothing you can act on. Ask for two or three references from the past twelve to eighteen months and speak to them directly. The useful questions are specific: was the speaker easy to work with before the event, did they tailor the talk, did they arrive prepared, and what did the audience actually do afterwards. Press on that last point, because the references worth having describe a decision taken or a project started, not a good time had. And ask across different kinds of events, since a speaker who lands with a technical team may struggle in front of a board, and you want to know which room you are buying.

References are also where you learn what someone is like off the stage. Were they easy to have around, or high-maintenance? Did they add to the event beyond their session, or need managing through it? Are they, in person, the same person you met on the call? It matters, because if your speaker is going to sit with your most important clients, you want to know they will be a good presence in the room, not only good under the lights.

Watch unedited footage

Ask for ten to fifteen minutes of continuous footage from a recent talk, not a highlight reel. Editing exists to hide the gaps, and the gaps are exactly what you need to see: how a speaker handles a slow moment, holds attention between points, and reads a room in real time. A polished ninety-second montage tells you they can be edited well. Unbroken footage tells you whether they can hold a stage. While you watch, judge whether they can make a complex idea simple, because the ability to translate is what separates an expert who can teach from one who can only recite.

I once watched a highlight reel that was all flips and somersaults across the stage, genuinely high energy. When I heard the full talk, there was almost nothing underneath it. The audience was entertained, but they left having learned nothing. A reel like that is built to impress you. It is not built to show you whether the room takes anything home. So keep one question in front of you: does this person actually connect, and does the audience leave changed, or just entertained?

Confirm they still do the work

This is the check most people miss, and in a fast-moving field it is the one that matters most. A speaker who was current three years ago may now be trading on it. Look for recent, verifiable involvement: live client work, a current role, fresh writing or talks, something that proves the expertise is still being practised rather than remembered. Thomas Anglero’s ongoing work as a Strategic AI Advisor, set alongside a verifiable record of past roles and press, is the kind of current, checkable engagement worth looking for. Ask what has changed in the field this year, and listen for a specific answer, because someone still in the work always has one.

Know the warning signs

Most of what disqualifies a speaker shows up during these four checks as friction: reluctance to share references, only ever a highlight reel, credentials that will not line up, examples that stopped being current years ago. A single such signal is usually worth a direct conversation. Several together are worth walking away from. The full set of red flags is its own subject, but the principle is simple: a speaker confident in their work makes verification easy, not awkward.

What the checklist cannot tell you

The four checks confirm competence. They do not tell you whether a speaker will connect, and connection is what an audience remembers. So pay attention to your own first impression. When you first speak with them, are you put at ease, or are you working to stay engaged? Is there a presence there, a warmth or a pull that is hard to name but easy to feel? The best speakers have it, and it comes from real confidence and years of working on themselves, not from a slide deck. A speaker who treats the craft as an art respects the audience; one who does not will lecture them. Close your eyes for a moment while they talk, the first time you speak. Whether you feel comfortable or awkward, that is your answer. The gut is rarely wrong.

This article is part of the Speaker Selection Guide, a comprehensive resource for event managers selecting and booking professional keynote speakers.

Thomas Anglero is a Strategic AI Advisor, keynote speaker and author of Intro to Artificial Intelligence. He has delivered over 450 keynotes across 30 countries for organisations including IBM, the WHO, the World Government Summit and the European Commission. He founded the IBM Watson AI Lab for Cancer at the Oslo Cancer Cluster and closed over $500 million in enterprise transformation deals as CTO and Chief Innovation Officer at Cognizant.