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Iris 🔥 Ex-McKinsey Consultant 🔥U of C Ph.D. 🔥

Grammar | Conversation
3899Business English Sessions Completed
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Introduction

Speaks
EnglishNative
SpanishC1 Advanced
ChineseNative
🌎Double nationality: 🇧🇷Brazilian and 🇹🇼Taiwanese 🌎Speaks English, Chinese, Portuguese, Spanish 🌼University of Chicago PhD 🌼Former McKinsey & Company business management consultant 🌼TOEIC Gold 990 / TOEFL / IELTS / GEPT / Business English ⭐️Online tutoring for 10+ years, students aged 7 ~ 65 ⭐️Customized material according to each student’s specific needs ⭐️Can adjust level of English spoken in Class: 50-50, 80-20 or 100% 😊🐷🦄Humor, fun and patience😊🐷🦄 💫Classes offered💫 🏵️English conversation🏵️ 🌈Beginner level: Objective: losing the fear of English Basic vocabulary: food, family, travel, simple verbs and tenses Easy games and charades 🌈Intermediate level: Objective: strengthening grammar and building vocabulary Vocabulary building: nouns, adjectives, verbs, adjectives, and prepositions Grammar strengthening: constructing linked sentences, passive voice, indirect speech 🌈Advanced level: Objective: increasing fluency Vocabulary learning with word origins (Latin and Greek), prefixes and suffixes Constructing longer sentences with structure variation 🏵️TOEIC/TOEFL/IELTS/GEPT🏵️ Use of practice tests Preparation for listening, reading, writing and speaking Talking about simple topics: describing photos, family, hobbies, food, travels, etc. Discoursing on complex topics: ethics, public policy, social issues Reading and interpretation of academic and scientific articles 🏵️If you want to learn Grammar basics, I recommend a 10-class package (50min):🏵️ 1. Basic verb tenses 2. A/An/The 3. Passive voice 4. Adjective clauses 5. Conditional sentences 6. Parts of speech 7. Modal verbs 8. Questions 9. Gerund and infinitive 10. Connectives 🏵️🏵️🏵️🏵️🏵️🏵️🏵️🏵️🏵️🏵️ 🏵️Business English🏵️ Case interview practice Management consultancy topics PowerPoint presentation practice Negotiations and job interviews role play Using graphs, charts and tables to present data 🌈If you want to learn about basic consulting skills, I recommend a 10-class package (25min): 1. MECE (Mutually Exclusive, Comprehensively Exhaustive) concept 2. Market estimation cases 3. Top-down communication 4. Generic consultant PPT slide 5. Describing line graphs 6. Describing tables and columns 7. Describing pie charts 8. Short business cases 9. Sugar coating language 10. One full McKinsey case 🌈 🏵️🏵️🏵️🏵️🏵️🏵️🏵️🏵️🏵️🏵️ 🏵️Children's Class🏵️ Pronunciation: Letters, short vowels, and long vowels Vocabulary: Numbers, colors, animals, fruits and vegetables, places Grammar: Be verbs, simple present tense and simple past tense, present continuous tense, future tense Reading: K-12 textbooks, picture books, comics Games: Guess the riddle, guess who, Taboo, etc. 【Classroom Notes】 ✎Take a fixed period of time, at least one class per week! ✎ Be on time for class! No refunds or make-up classes will be given if you do not show up for 10 minutes! ✎Please cancel the course 12 hours in advance. If you do not attend without prior notice of the reason for cancellation, the course will be regarded as completed! ✎ Be sure to complete the review for the previous class before the next class! ✎ When purchasing a course, please contact me first, and we will discuss the course policy and needs together!
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Group Lessons

Around 40% off compared to 1-on-1 lessons🔥 Limited discount seats!
FIVE 50-min classes to improve grammar and TOEIC score! Class 1. introduction to basic verb tenses Class 2. parts of speech (tell the difference between nouns, adjectives, verbs and adverbs!) Class 3. conditional sentences + adjective clauses Class 4. connectives + gerund and infinitives Class 5. passive voice + Q&A
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Videos

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The more lessons you choose, the greater the discount is, check it down below or in the shopping cart!

Available times

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Class videos can be downloaded
Videos from one-on-one courses can be downloaded within one year after the course ends, greatly enhancing your learning experience!
( This bonus only available for students who enable the class recording function)

1216 Business English course reviews

  • 陳小喬
    Sep 11, 2026
    Clear explanations available in English Maximized speaking opportunities and active student talk time Highly passionate teacher, approachable and easy to chat with Relaxed, supportive, and encouraging classroom atmosphere Excellent lesson pacing and time management Customized learning progress tailored to individual student needs
  • Pigs
    Sep 9, 2026
    I really liked this class. The teacher was easy to talk to and gave me some really useful corrections. Definitely a good lesson!
See all 1216 reviews

Performance History

Resume

Experience

  • 2015 - 2018

    English Teacher

    Global Village Organization

  • 2015 - 2018

    English Teacher

    GJUN

  • 2004 - 2008

    Associate

    McKinsey & Company

Education

  • 1997 - 2003

    Mathematics Certificate Uploaded

    University of Chicago

  • 1994 - 1996

    Mathematics Certificate Uploaded

    Universidade Federal do Rio de Janeiro

Certifications

  • 120 hr TESOL Certificate Certificate Uploaded

Experience
  • 2015 - 2018

    English Teacher

    Global Village Organization

  • 2015 - 2018

    English Teacher

    GJUN

  • 2004 - 2008

    Associate

    McKinsey & Company

Education
  • 1997 - 2003

    Mathematics Certificate Uploaded

    University of Chicago

  • 1994 - 1996

    Mathematics Certificate Uploaded

    Universidade Federal do Rio de Janeiro

Certifications
  • 120 hr TESOL Certificate Certificate Uploaded

FAQ

How to book

  • After buying courses, you can book them according to the teacher’s schedule.
  • If “Instant Tutoring” shows on the teacher’s profile, you can book the lesson 30 minutes after the current time.
  • If the teacher is not online, the next available class cannot be booked until 24 hours afterward.

Lesson duration

  • The duration of a trial session is 25 minutes.
  • The duration of a private session is 50 minutes.
  • If you purchase more than 5 sessions, you will receive a discount (according to the price the teacher set).

Instructions

  • Enter the website 10 minutes before the class starts. Click “My Lessons” to find your class, click “Go to class”, and then you will be in the classroom on ZOOM!
  • You can use ZOOM for classes both on your phone and computer. Please download ZOOM in advance if you choose to use your phone for the class.

Refund policy

  • Please click “Report Issue” if you encountered any problems, and the teacher will determine either reschedule or refund afterward.
  • If the teacher doesn’t respond the issue, we will provide a full refund as AT credits for you.
How to book
  • After buying courses, you can book them according to the teacher’s schedule.
  • If “Instant Tutoring” shows on the teacher’s profile, you can book the lesson 30 minutes after the current time.
  • If the teacher is not online, the next available class cannot be booked until 24 hours afterward.
Lesson duration
  • The duration of a trial session is 25 minutes.
  • The duration of a private session is 50 minutes.
  • If you purchase more than 5 sessions, you will receive a discount (according to the price the teacher set).
Instructions
  • Enter the website 10 minutes before the class starts. Click “My Lessons” to find your class, click “Go to class”, and then you will be in the classroom on ZOOM!
  • You can use ZOOM for classes both on your phone and computer. Please download ZOOM in advance if you choose to use your phone for the class.
Refund policy
  • Please click “Report Issue” if you encountered any problems, and the teacher will determine either reschedule or refund afterward.
  • If the teacher doesn’t respond the issue, we will provide a full refund as AT credits for you.

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