Highly Qualified and Experienced English Teacher Available

I am an American-certified TEFL teacher interested in working with students in general and business English. I graduated with a Ph.D from the University of Warwick, UK, in English and Comparative Literary Studies (English). I have taught at various universities, presented papers at international conferences, and worked in non-governmental organizations. I also worked for the Media Development Authority in Singapore.  I am confident teaching groups and 121 classes. I can conduct conversation classes and for writing/reading as well.