Sir, I have gone through your requirements. St first, I would like to say you that I have experience in teaching SEO. You can check my portfolio section: http://www.freelancer.com/u/tanmoysingha369.html
Moreover, I would like to say you one things that I have teaching experience for 8 years. Although the subject was Math. I think one thing that subject is not the matter, matter is capability of let you understand. If you take one class, I hope, I'll not have to say anything. Moreover, I would like to say one thing that My other online teaching session regarding SEO will be start very shortly for Bangladesh people. There many people will learn at a time through skype. So, I am confident about taking your class also.
Practical field must be shown, because without practical, the result of Internet Marketing is Big Zero.
So, I can assure one thing that you'll see how east this Digital Marketing is. I believe one thing that if anyone can get positive source, he/she own self can master of this subject. I got that source, even I want to represent it also to explore myself.
Love to hear from you.
Regards.