Charisma sounds like magic, but researchers have pinned most of it to two things: warmth and competence. Warm enough that people trust you, sharp enough that they take you seriously. On camera you can send both signals on purpose.
Warmth and competence, together
Studies suggest that a huge share of how we judge each other comes down to those two dimensions, and the people we find charismatic tend to score high on both at once. Too much warmth without competence reads as nice but not credible. Too much competence without warmth reads as impressive but cold. The magnetic version is both, and most of us naturally lean to one side and can work on the other.
Lead with warmth
Warmth is the faster of the two to show. A genuine smile, an open and relaxed face, and looking into the lens as if you are pleased to be talking to the person on the other side. These small things tell people you are friendly and safe to listen to, which is what lets everything else land.
Show competence with calm, not volume
You do not signal you know your stuff by talking louder or faster. You signal it by being unhurried and clear. Say fewer things, say them plainly, and let them sit. A steady pace and the willingness to pause reads as someone who is sure of the ground they are standing on.
Let your face and hands do some work
Charismatic communicators tend to be expressive. Their hands move, their face reacts, their voice has range. Research on charismatic leaders points to exactly these kinds of nonverbal cues as what draws people in. Flat and still is the enemy. Let yourself be animated, in your own register.
Make it about them
The least charismatic thing you can do is make it all about you. Point your attention at the viewer and what they care about. Ask questions, acknowledge them, speak to what is on their mind. People find you compelling in large part when they feel seen by you.
Tell small, specific stories
Abstract points slide off. A short, concrete story sticks and makes you likable while it does it. You do not need grand tales. A quick real example, a moment that actually happened, gives people something human to hold onto and remember you by.
The hard part of all this is noticing what you are doing while you are doing it, which is tough to catch on your own. We made an ambient app for exactly that. It runs on your Mac and gives you private feedback in the moment, and it never records or uploads anything.
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