MEET OUR INSTRUCTORS 2019-12-31T06:23:25+00:00


Discover the secret behind Being the country’s best OET review center, JRooz is composed of top-caliber instructors with relevant medical and nursing background backing up their OET training certification. Knowing the ins and outs of the exams, our instructors utilize only up-to-date training materials ensuring only the best test outcomes. Read on and learn more of the instructors of the top OET review provider in the Philippines.


Sybil Nighswonger is the director of PTE Academic’s English Department. A woman with exceptional linguistic abilities, Sybil dedicated a large part of her life honing her language and teaching skills. After graduating cum laude at the University of the Philippines—Diliman with a Bachelor of Science in Education (Major in English and Minor in Social Studies), she pursued a Master’s degree in the same university—majoring in Teaching English as a Second Language. Sybil later took her educational training abroad. She earned a postgraduate certificate in Education at the University of Hong Kong (Major in English and Minor in Literature) and accomplished a summer course for Spanish Language Teachers in the Universidad Complutense de Madrid in Spain. She presented papers dedicated to Language and Reading in Singapore, Taiwan, and the Philippines. Before working in PTE Academic, she served as the Level Coordinator for the Intermediate Department of PAREF Woordrose School, Inc. in Muntinlupa. She was also a member of the school’s Academic Council. Sybil also previously worked as an English teacher at Reedley International School in Quezon City. Armed with years of training and work experience in the academe, Sybil brings her expertise to JRooz PTE Academic Review Center and has since helped countless PTE test-takers achieve their score goals and take a step closer toward their dreams.

John Angelo L. Concepcion, or “Gelo” to his peers in JRooz Baguio, is one of the company’s most versatile of teachers. Having had relevant experiences in EFL, TOEIC Speaking and IELTS teaching in Pines International Academy in Baguio City for a year and a half, his Bachelor’s of Arts degree in Nursing and subsequent licensure exam in Nursing expanded his skill set to include OET teaching as well, boosted further by his licence in IV Therapy, First-Aid certification, and a significant year’s experience in the clinical field. Altogether, these trainings and experiences have enabled Gelo to assume many hats in the JRooz organization, thereby explaining his designation as program developer for the OET Online Review Program.

Jamaica is a PRC licensed professional who earned her degree in Physical Therapy from Manila Adventist College. Prior to becoming an OET instructor, she has earned academic units in Teaching from the University of the Philippines Manila, College of Allied Medical Professions. This has equipped her with the skills she employs in preparing her students excel in communications and developing their competency to fulfill career endeavors. As an educator, she keeps herself up-to-date with the latest developments in healthcare by attending various symposia and conferences held by local and international organizations. Apart from teaching her students the standards of OET, she makes it a point to motivate them to become self-directed lifelong learners.