Hi, it looks like you need someone that can deliver high quality courses on PowerBI. Not only you need someone with the technical skills necessary in PowerBI itself, but also that can lecture an engaging course in front of a camera.
Lecturing courses on technical subjects is something I've been doing as part of my jobs since day one of my career, and it's something that I've always was pleasured to do it. I don't have a recorded video to share with you, but I can say that I do have experience either with live classes as well as classes by webcam (I've used mostly Google meet and Skype when I needed).
Also, I'm a data analyst that has been using PowerBI as my go to visualization tool since over a year, ever since I've begun looking for easier (and cheaper) alternatives to Tableau.
I've been looking for my first job here at Freelancer, so not much of a job history to show, but you can check my linkedin to see my experience in data analysis, of which I've put a link in my profile.
I've offered 14 days to deliver the project because I believe that I job well done, between scripting and recording, takes time, but if you're time constrained, we can settle on a smaller time frame.
Be as it may, I can begin as soon as you hire me. Best regards, Celso