About EngRTutor.com
EngRTutor.com is the adult ESL division of Adaptive Concepts LLC. We help professionals, parents, and students improve English for work and life through practical, personalized instruction—online or in small, supportive classes.
Our team
Nina Park — Lead ESL Instructor
MA TESOL, 10+ years teaching adults in corporate and university programs.
Luis Romero — Senior Tutor
Specialist in Business English and interview coaching.
Sara Clements — Program Coordinator
Curriculum design and placement support for all levels.
Jerome Chen — ESL Tutor
Focus on conversation fluency and pronunciation.
Allie Pelligru — ESL Tutor
Exam prep: TOEFL and IELTS strategy and practice.
Tim Hannan — ESL Tutor
Beginner to intermediate speaking-focused classes.
Ready to start?
Tell us your goals and schedule. We will recommend the best program and place you at the right level.
Flexible options
Online worldwide and in-person in select cities. Evening and weekend schedules available.
Why Choose Us
Adult-focused teaching, clear outcomes, experienced tutors, and practical lessons you can use immediately at work and in daily life.
Testimonials
“My speaking confidence improved in weeks. The lessons were practical and engaging.”
Priya M., Software Engineer
“Business English sessions helped me lead meetings and present with clarity.”
Mia J., Project Manager
“The classes were remarkable as in 4 weeks we were speaking English with each other!”
ILETS Preparation Class