Home > Workshop > Workshops > Speaker Introduction Speaker : Angela Blackwell Sandra Lee Mckay Angela Blackwell is an author, teacher, and teacher trainer with extensive international ELT experience. Her credentials include an R.S.A. diploma in TEFLA and an MA in TESOL from San Francisco State University. She is co-author of English KnowHow (Oxford University Press). Sandra Lee McKay is a Professor at San Francisco State University in the TEFL graduate program. She has been involved in teacher education in over 20 countries worldwide. Her most recent publication is Teaching English as an International Language (Oxford University Press).