About Colin Dorman

Professional English Instructor with 20+ Years of Experience

Your Expert Guide in Business English, General English & Exam Preparation

Hello! I’m Colin Dorman, a certified TESOL instructor specializing in Business English, IELTS/TOEIC preparation, and conversational fluency. With over two decades of teaching across Thailand, China, and the UK, I’ve helped thousands of students and professionals achieve their language goals—from young learners to corporate executives.

Why Learn With Me?

Your sec

✅ Proven Expertise – Taught at top institutions like Inlingua International (Bangkok) and Hezhou International School (China).
✅ Business Background – Former franchise manager and NVQ assessor, blending real-world corporate experience with language training.
✅ Exam Success – Specialized in IELTS, TOEFL, and TOEIC coaching with a track record of high-scoring students.
✅ Engaging Methods – Interactive lessons tailored to your career, travel, or academic needs.

ond block of text...

My Teaching Journey

🎓 Education & Credentials

  • TESOL Certified (2016) | BBA in Business Management (Siam University)
  • NVQ Assessor (Levels 1–4) – UK government-recognized vocational trainer.
  • IELTS/TOEIC Specialist – Designed exam-prep curricula for 15+ years.

🌍 Global Teaching Experience

  • Inlingua International (Bangkok, 2004–Present): Business English, academic writing, and private tutoring for all ages (2–58 years).
  • Hezhou International School (China, 2019–2022): Led English programs for Grades 1–10, including Parents’ Day events and English clubs.
  • Sarassas Witaed Bilingual School (Bangkok, 2004–2016): Developed phonics programs and curriculum plans for K–9 students.

Beyond Teaching: Business & Entrepreneurship

My diverse career includes:

  • Franchise Manager (UK restaurants): Opened/trained teams at multiple locations, implemented company-wide training programs.
  • E-Commerce Entrepreneur: Built and managed successful online stores and membership sites (e.g., Vintage Action Figures).
  • Digital Content Creator: Grew a YouTube channel (12K+ subs) and Facebook page (2K+ followers) about collectibles.

This unique blend of business acumen and teaching passion allows me to equip students with practical, career-focused English skills.

Join My Classes Today!

Whether you’re preparing for exams, advancing your career, or traveling the world, my lessons are tailored to your goals.

📩 Contact Me: barleymow64@gmail.com

Why choose me?

me

• I have 15 years of experience running Hotels, Restaurants and bars for large companies as well as for an independent franchisee.

• 10 years experience running my own online business and two brick and mortar stores selling collectables. (Mainly Action Figures, Pokémon and TCGs)

• Social media experience: I have a YT channel, FB, IG and Twitter accounts as well as Pinterest and TikTok. (Action Figures, Pokémon and TCGs)

• Experience in on line sales, I have had a Shopify store for 10+ years. (Mainly Action Figures, Pokémon and TCGs)

• 20+ years teaching experience (both in-person and online)

• I previously taught at and international school in Bangkok, Thailand for 12 years.

• I have taught at an International school for 3 years in Hezhou CHINA.

• I am currently teaching students of all ages at a local language centre in Bangkok, Thailand.

All this enables me to give you a unique blend of experience both as a tutor and a business person to give you realistic, useful, everyday knowledge of how to use Business English in real-life situations.

Classes will include real-life conversations, interactions, role-plays, audio, grammar, pronunciation and exercises, in what a term as "situational" classes.

I will give you friendly yet professional support to create a trusting environment where you can express yourself freely and receive the guidance you need to advance. I also use several tools to give you real-time analysis of your speaking, reading, writing skills.

Subscribe to my NEWSLETTER

Please note that all fields followed by an asterisk must be filled in.
 

Please complete the challenge that you see below.

  

Recent Articles

  1. Foundational Leadership Coaching | Junior to Senior Management Growth

    Oct 19, 25 09:36 AM

    Build confidence, structure and communication skills with foundational leadership coaching. Step up from junior to senior management with clarity and impact.

    Read More

  2. Employee to Leader Coaching | Leadership & English Confidence

    Oct 19, 25 09:13 AM

    Step confidently into leadership. Build the communication, confidence and mindset to inspire your team through 1:1 employee to leader coaching.

    Read More

  3. English for Professional Communication

    Jul 09, 25 01:50 AM

    Master English for professional communication. Build fluency, clarity, and confidence in global business situations with real-world strategies and support.

    Read More

online-study-03

After your trial, you’ll receive:

  • A personalised learning plan
  • Clear goals and timelines
  • Practical lessons tailored to your needs

➡️  “Start Your Course”

BOOK A TRIAL!

✅ Coach, not just a teacher – I don’t just correct your grammar, I help you perform better in real-life situations: meetings, interviews, presentations, negotiations.

✅ Focused on professionals – I work with ambitious professionals who need English to progress in their career, not just pass a test.

✅ Practical + Confidence Building – We practice the exact situations you face (emails, meetings, calls, networking), so you use English immediately with confidence.

✅ Tailored coaching – Every session is built around your goals and challenges, not a textbook.

✅ Mindset & Strategy – Speaking English fluently is as much about confidence and delivery as vocabulary. I help you unlock both.

✅ Real Results – My clients go from “I hope they understand me” to “I know I can lead this meeting.”

negotiations04

After your trial, you’ll receive:

  • A personalised learning plan
  • Clear goals and timelines
  • Practical lessons tailored to your needs

➡️  “Start Your Course”

BOOK A TRIAL!