English tutor specialized in university students

I have more than 20 years' experience teaching university students. I have taught all levels and people from all backgrounds. I have also taught specialized courses like business English, English for the sciences, and academic writing. I have a Bachelor's degree (University of California), a Master's degree ( Sheffield University) and a PhD (Cardiff University). Aside from English, I am fluent in German and Spanish, and I have worked for years as a translator and as a copy editor, aiding authors whose native language is not English, from various countries around the world. Many of the articles I have copy-edited have been published in important journals in various disciplines in the sciences and the humanities. I can help you with conversational English and I can also help you write your doctoral dissertation.