Greetings. I am a NATIVE English speaker (Canadian), ranked in the top 3% of all freelancers on this website for English proficiency scores in both US and UK English. I possess a Master of Science degree from the University of Saskatchewan, Canada, and am very experienced in academic writing, editing and proofreading. I have been working since 2010 for an American company, where I edit, proofread, polish and 'Americanize' science papers authored by Chinese scientists. My areas of expertise are the life sciences and physical sciences. Please see my PM for details. Thank you.