Create a "Whiteboard animation video"

I need 3 whiteboard animation videos created for my website the videos will need to be formated to Mp4 file. I'm looking for an experienced video developer that has great English speaking skills. Please only respond to project only if you have completed videos samples that you can be reviewed. I will have all text and content prepared after we communicate, within 24 hours of awarding the project. I will also need a firm completion date.