Hester Helsloot Hester joined ISA as a substitute teacher in September 2013. In September 2014, she became a part-time Dutch teacher at the school. In addition, Hester is following a teacher training course for science/biology. She holds a Bachelor of Science in Biology from the University of Amsterdam as well as a Teaching Certificate for both English and Dutch. Prior to joining ISA, she worked for over four years as a teacher at the British Language Training Centre in Amsterdam. Natane Hetschel Natane joined ISA in August 2014 to teach grade 7 English as an Additional Language (EAL). For the previous eight years, she had been working at Munich International School, where she taught grades 7, 8 and 12. Natane earned her master’s degree in Teaching at Lewis and Clark State College in Portland, Oregon. In addition to Munich, she has taught in Oregon City, Oregon and Lugano, Switzerland. Jaclyn Houtman Jaclyn has been part of the ISA community since early 2014 and is now a full-time cover teacher for learning support. Jaclyn completed her undergraduate and graduate studies in Communications and Math Education at Pepperdine University, where she graduated magna cum laude. She has taught grades 6-12, in both public and private schools, with students from diverse backgrounds and of various abilities. Jaclyn has served on committees for intervention strategies and coached math clubs. Outside of school, she practices yoga, loves cooking and looks for every chance to go surfing. Joanna Johami Joanna joined ISA in August 2014 as part of the grade 2 team. She is originally from Malaysia and has been teaching internationally for 12 years. Joanna has worked in Hong Kong, Bangkok and, most recently, Singapore, where she was the year 3 coordinator. She graduated from the University of Exeter in the UK with a Bachelor of Education (Honours). Joanna is a PYP educator, space designer, visible thinker, urban learner, scuba diver, dreamer, global nomad, and lover of architecture, gastronomy and life. Rosanne Koster Rosanne Koster joined ISA’s Lower School art department in August 2014. She holds a bachelor’s degree in Art and Education from the Amsterdam School of the Arts, where she specialised in drawing and new media. She has also taken art courses at UCLA, UC Berkeley and the Pratt Institute in Brooklyn. She recently earned her master’s degree in Art History. Rosanne enjoys drawing, dancing, taking pictures, and loves to go to as many museums as possible. In addition to teaching visual art at ISA, she is an editor and writer for a small Dutch magazine dedicated to the arts. Kathy Lokerse Kathy is happy to be back at ISA after taking five years off to raise her three boys. Born and raised in the USA, Kathy received her Bachelor of Science in Elementary Education from Penn State University and holds a master’s degree in Library Science from Clarion University. This year, she can be found in grade 1 teaching EAL (English as an Additional Language), but her previous experience includes teaching grades 1, 2, 4 and 5, as well as being the social and
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emotional support teacher. When she isn’t busy running after her young boys, Kathy loves catching up with friends and trying new recipes. She even dreams of getting out her dusty guitar again and learning how to play. Dan Lundin Daniel joined ISA in August of 2014 as a member of the Individuals and Societies department. Daniel has worked as a private banker, emergency first responder, track and field coach and, of course, a teacher. He was an NCAA student-athlete at Winona State University and holds a Master of Business Administration. In addition, he attained an MEd in International Educational Administration from Lehigh University and was certified as a K-12 administrator by the Commonwealth of Pennsylvania. Daniel is also an accreditation site visitor for the Council of International Schools and the New England Association of Schools and Colleges. He serves as an IB examiner for theory of knowledge and economics and is a member of the IB curriculum review committee for DP economics. Daniel is married with two children. Lauren Lundin Lauren joined ISA in August 2014 as the new Upper School counsellor. Prior to working at ISA, she served as a counsellor at schools in the United Arab Emirates and the USA. Lauren holds a Bachelor of Arts in Communication Studies from the University of North Carolina at Greensboro and a Master of Arts and Master of Education in Psychological Counseling from Columbia University. She is a certified school counsellor and enjoys working with third culture kids within the International Baccalaureate curriculum. Sarah Moroney Sara Moroney grew up in Boston and received a BA from Fordham University in New York City and a Master of Education from Florida International University. She has taught in Ecuador, Miami and Virginia. Before joining ISA, she worked at the American International School of Rotterdam, starting in 2003 as an elementary teacher and then, for the past seven years, serving as an EAL teacher and coordinator. She loves travelling, foreign movies and playing games with her children. Khullood Rahman Khullood joined ISA in 2014 as the new grade 7 individuals and societies teacher. She has taught middle school language arts and social studies for 17 years, most recently in Costa Rica, where she also coordinated the community service programme at her school. Khullood holds a Bachelor of Arts in French and Western European Studies from Grinnell College and a Master of Science in International Development Education from Florida International University. Khullood’s teaching is informed by her exposure to a wide range of cultures from childhood on. A third culture kid, she considers herself a citizen of the world. Her passions include yoga, hiking, swimming and art. Ronaldo Rohana Ronaldo joined the school in August as a security agent/ receptionist. He was born in Rio de Janeiro, where he later studied communications. At the age of 18, he moved to Ibiza, where he worked in security for some of the island’s best clubs. In 1983, he moved to Amsterdam and began working as a doorman in some of the most exclusive nightspots in town, including Mazzo, RoXY, supperclub