Meet your Three English Experts
BIRGIT KASIMIRSKI
Grammar Expert
Business English Trainer, Author of Four Grammar Books, Journalist & Podcaster
With a background in journalism and over 20 years of experience, Birgit Kasimirski is a Business English Trainer who specialises in helping German-speaking professionals gain clarity and confidence in English.
Her love and never-ending passion for England and the English language was sparked during a formative two-year stay in Malvern and London, which continues to inspire her work today.
She is the author of four successful grammar books and brings a unique perspective as a non-native speaker with a deep understanding of how German can interfere with English learning.
Birgit co-hosts the Three English Experts podcast, where she shares practical strategies and insights to help learners overcome common challenges and celebrate their progress.
REBECCA DEACON
Mindset Expert
Business English Trainer, Coach, Positive Pyschology Practitioner-in-training & Podcaster
With over 25 years of experience in Business English training for corporate clients, Rebecca Deacon specialises in helping professionals communicate with clarity, confidence and authenticity.
As a qualified coach, she integrates coaching tools into her language training sessions to support both language development and personal growth.
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She is currently training to become a Positive Psychology Practitioner and incorporates evidence-based strategies to support her clients’ mindset, motivation and long-term success. Her approach to English training goes beyond grammar and vocabulary — it’s about unlocking potential and creating a growth mindset.
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She also co-hosts the Three English Experts podcast, offering practical tips and insights from coaching and positive psychology for English learners around the world.
DAVID PRESTON
Communications Expert
Business English Trainer, Communication Skills Facilitator, Coach-in-Training & Podcaster
Based in Valencia, Spain, David Preston teaches Business English to international professionals and also offers Short and Sweet 4-hour webinars on communication skills. He is also currently training to become a certified coach with the aim of adding another layer to his highly learner-focused approach.
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Before moving to Spain, David taught in Germany and Croatia, including 20 years at the German Federal Language Agency (Bundessprachenamt).
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Passionate about communication, intercultural awareness, and gamification in language learning, he creates engaging, interactive learning experiences that are both practical and fun.
David is also one of the co-hosts of the Three English Experts podcast, where he shares practical tips, personal insights, and a healthy dose of humour to help English learners grow in confidence and fluency.