Find out about The 21-Day Meetings Challenge and Join the Waitlist. Hello and welcome to Derek Callan - English for professionals. My name is Derek and I'm a Professional English Coach with 20 years of experience. I upload short Business English lessons for busy people. If you've already reached an intermediate level, but you need to learn more vocabulary and phrases to become more fluent in professional English, then I'm pretty sure you'll like my channel.. Find out more about my online cou
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