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Meet the new members of our school community

Gary Alejandrino

Mathematics Teacher

Prior to joining GESM, Gary had been teaching Mathematics in both the areas of IBDP and IGCSE in several international schools. He acquired his bachelor’s degree in Mathematics from one of the country’s top universities. During his “non-academic” moments, he loves making noises with his drums, he also likes going outdoors with his mountain bike and traveling via scenic routes with his motorbike.

Julienne Bonacua Violin Teacher

Julienne graduated from the University of the Philippines (UP) College of Music with a Bachelor of Music degree, major in violin. She was one of the representatives of the Philippines to the World Federation of Amateur Orchestra in Shizuoka, Japan. She is a member of UP Arco and was the principal of the 2nd-violin during their European tour and at the Festival International de Musique Universitaire in Belfort, France. They won the Silver band in the 7th International Youth Music Festival in Slovakia in 2015. In 2016 they got 1st prize in the 2nd Musica Festa in Florence, Italy. She is currently the 2nd violin principal of the UP Symphony Orchestra and a member of the Manila String Machine.

Edcharles Bation (King-king) Bass & Drums Teacher

Rock Band Coach

King-king graduated with the degree of Bachelor of Science in Marine Engineering but with great passion in music. He comes from Misamis Occidental where he learned bass guitar and drums. He played as percussionist for the Oroquieta City Band for years before moving to Manila where he worked as an assistant to Michael Alba, one of the Philippines’ most inspirational drummers.

Ferdinand Marquez

Classical Guitar Teacher

Ferdinand is a classical guitarist who has years of experience as a music educator. He is a member of the Guitar Teachers' Guild and has been invited to give workshops in different schools in the Philippines.

Jeremias Oxinio (Mias)

Electric Guitar Teacher

Rock Band Coach

Mias is from Dipolog City, Mindanao. Before moving to the capital city, Mias rocked the bars of Misamis Occidental for year and won several band competitions. As a lead guitarist, he considers Steve Vai and Paul Gilbert as his inspirations and mentors.

Sarah Schmidt

Praktikantin | Intern

Mein Name ist Sarah Schmidt und ich studiere Gymnasiallehramt für Deutsch und Sozialkunde in Jena. Ich freue mich sehr, dieses Schulhalbjahr ein Teil der Schule sein zu dürfen, mit den Schüler/-innen zu lehren und lernen sowie etwas zur GESM beizutragen.

My name is Sarah Schmidt and I study German and Social Studies in Jena to become a teacher. I am very happy having the opportunity to be part of the school for this semester, to teach and learn with the students and to contribute to the GESM.

Jennifer Kirchhof

Praktikantin | Intern

Mein Name ist Jennifer Kirchhof und ich werde bis Schuljahresende 2020 als eine der neuen Praktikantinnen an der GESM tätig sein. Ich studiere Englisch und Geographie auf Lehramt an der Friedrich-Schiller-Universität in Jena, Thüringen und freue mich sehr darauf hier zu arbeiten und mich ins Kollegium einzubringen.

I am Jennifer Kirchhof and one of the new interns that will be working at the GESM for the summer term of 2020. I study English and Geography at the Friedrich-Schiller-University in Jena, Thuringia in order to become a teacher and I am looking forward to gathering my first experiences in teaching as well as I do to supporting the staff and the students in various ways.

Theresa Gerlitzki

Praktikantin | Intern

Bonjour, hello und guten Tag ich bin Theresa Gerlitzki und studiere in Jena Gymnasiallehramt um Lehrerin für Französisch und Englisch zu werden. Ich bin sehr erfreut ein Teil der GESM zu sein und erhoffe mir eine wunderbare lehrreiche Zeit. My Name is Theresa Gerlitzki and I study French and English in Jena to become a teacher. I am very pleased to be a part of the GESM and I am looking forward to having a wonderful time.


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