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Experienced Educators

Exceptional Results


Silvia Fernandes-Isidoro

Silvia Fernandes-Isidoro is a mathematics teacher with 22 years of teaching experience at the high school level. Having taught all levels of mathematics, including the International Baccalaureate program, her proficiency and talent in teaching math has earned her an APEGA Award nominee twice and an Excellence in Teaching Award as a semi-finalist in 2008.


Tracy Gerun

Ever since Tracy’s grandmother taught her to read with the classic “Dick and Jane” books, she has been an avid reader. When it came time to choose a profession, the opportunity to talk about language and literature everyday presented an ideal fit. In 1995, Tracy graduated from the University of Alberta with a Bachelor of Education, majoring in English, and she has been teaching in Edmonton ever since. In 2010, she was a semi-finalist for an Excellence in Teaching Award.


Robert Hempel

Robert Hempel holds two Degrees – a Bachelor of Science (Specialization in Biotechnology) and a Bachelor of Education (with Distinction). During his 16-year career he has been nominated for the Excellence in Teaching Award for his school district and for the APEGA ‘Making School Cool’ Teaching Award. Mr. Hempel has helped students to achieve 100% on the Provincial Diploma Exams as well as establishing pass rates of 95 to 100% in his classes. He participates in Diploma question development and marking as well as teaching Biology 30 and Science 30 Diploma review courses.


Greg Henkelman

Greg Henkelman has been passionate about biology his entire life, working as a microbiologist in labs and an interpreter in science museums before switching to teaching high school biology for the past 16 years. In that time he has been nominated for an Excellence in Teaching award, won an APEGA Teaching Award, and won the Canadian Iron Science Teacher award through Discovery Channel Canada. He has recently completed a Master’s degree, focussing on Science Literacy.


Conrad Hope

Conrad Hope has been teaching Chemistry 30, AP Chemistry and Chemistry diploma preparation courses for the past 10 years in Edmonton. Conrad was a semi-finalist for the Alberta Excellence in Teaching Award in 2013. His deep understanding of the chemistry curriculum and ability to simplify very difficult topics have helped thousands of students he has taught. In addition to teaching chemistry he is the Science Department Head at his school, coaches school soccer, and occasionally works with Alberta Education in developing and reviewing chemistry diploma exams. He is the proud father of two boys and loves spending time with his family.


Aaron Kowalchuk

My name is Aaron Kowalchuk. I am currently teaching Physics 20, 20AP, 30 and 30AP at an Alberta high school. I have been teaching physics for over 17 years and have learned to love the science for its simplicity and beauty. I have a particular passion for astrophysics and as such have initiated an astronomy club in my school. I am fascinated by the study of modern physics including quantum mechanics, string theory, and the quest for grand unification. I have my Masters in Education from the University of Portland and continually upgrade my education with courses and seminars. I truly believe in lifelong learning and am passionate about sharing my discoveries and experiences with others. I have worked with the government in the development and marking of standardized tests and have a thorough understanding of the Physics curriculum and exam expectations. I have worked with Diplomax for two years preparing students to write their Physics 30 Diploma. I look forward to future opportunities to engage students in their understanding of the physics concepts covered in the Alberta curriculum.


Carolyn Kennedy

Carolyn has been teaching Social Studies 30 for over 20 years and has taught Diploma Prep courses for the last 10 years. She has worked with Alberta Education as a marker for many years and her students have experienced great success as a result of her expertise in the subject area. She enjoys sharing her knowledge and passion for the subject material within her classroom teaching as well as Diploma Preparation courses and takes pride in the excellent results her students have achieved.


Jeremy Klassen

Jeremy Klassen has a Bachelor of Science degree (major in Pure Mathematics) from Trinity Western University and a Bachelor of Education degree from the University of Alberta. These have allowed him to teach high school mathematics for the past fifteen years. He has participated in curriculum and resource development and been involved with the creation and marking of diploma exams. Completing his Masters of Mathematics for Teachers through the University of Waterloo changed his life! Jeremy has worked on committees responsible for creating their annual team competition, and marking their Euclid competition. This inspired him to start an annual interschool team competition in his high school. He loves math. Not only is it his job, but it often fills his leisure as well. He enjoys all things Math – puzzles, games and reading about various mathematical topics.


John Meston

John believes in the unlimited creative potential of humanity. For over 20 years this fuelled his passion for facilitating student growth through Social Studies. Social Studies for John, is the most rigorous course students take during high school as it charges them with the dual duty of exploring both themselves and the world around them. Regardless of ones' age ... this is challenging as it raises some extremely challenging questions as life's mysteries are unpacked. It is John’s goal to assist students in their journey through iPrep's Social Studies 30-1 resource.


Loretta Ng

Loretta Ng has over 10 years of teaching experience in Physics, Chemistry and Mathematics. She earned a Bachelor of Education degree in secondary education and a Bachelor of Science degree majoring in Physical Science and minoring in Mathematics from the University of Alberta. She also is trained in the International Baccalaureate diploma program and has taught IB Physics for seven years.


Will Robertson

Will Robertson has been teaching for 12 years with a focus on Social Studies. He is currently a Department Head for an Edmonton area High School. He was involved in piloting the new Social Studies curriculum when it was introduced in 2007-2010 at each level of the course. He marks Diploma exams for Alberta Education, has worked on developing diploma exam questions and currently teaches Social Studies 30-1, 30-2 and 30IB. As well, Mr. Robertson has been teaching diploma prep courses for the past 5 years in January and June for both Social Studies 30-1 and 30-2.


Darlene Scammell

My name is Darlene Scammell. I graduated from the U of A in 1996 and have been teaching all levels of math since. I spent a couple of years, when I first graduated, teaching junior high school and have been teaching high school math since. I have taught math 30 for 15 years, but also enjoy teaching the levels leading up to the diploma. I have been involved in many professional development opportunities regarding the diploma, such as marking and item writing, and feel like I have a very good understanding of what it entails. I am currently the department head of math in an Edmonton high school. I love math and love teaching. In my spare time, I enjoy traveling, walking, golfing, watching movies, spending time at the lake and spending time with my family.


Thomas Stahlke

Thomas Stahlke is an experienced educator having taught Chemistry, Physics, Science and International Baccalaureate for 19 years. As a recipient of a 2015 Provincial Excellence in Teaching Award, and two municipal district awards, Thomas Stahlke has been recognized as a dedicated and skilled teacher that achieves maximum results with his students. He believes learning is reinforced by making real-world connections, and is enthusiastic about ongoing learning.


Katie Teeuwsen

Katie Teeuwsen has been teaching Biology for 8 wonderful years and is always amazed at how intricate the body is; Biology truly is the most interesting Science. Katie enjoys travelling and spent a year travelling around the world, adventuring through South America and Southeast Asia, meeting monkeys and critters along the way. She is excited to share her love of Biology with you in an interactive way.