YouTube Tutorial Video Production

I'm looking for a skilled video producer to create a series of technical tutorial videos for YouTube. The tutorials will cover topics such as:

- Bank account sign-ups
- Refund processes
- Credit card application guides

Target Audience: United States
Language: English
Video Style: Screencast with voiceover
Video Length: 100 videos, each 1-2 minutes

Voiceover Tone: Professional and formal

Requirements:
- Experience in creating screencast tutorial videos
- Ability to develop scripts based on rough outlines
- Professional voiceover skills

Please provide samples of previous work.

ex: https://www.youtube.com/watch?v=X2lTetIU47c&pp=0gcJCX4JAYcqIYzv