OUR STAFF

Administrative TEam

Gwyneth Zylstra

Principal


Gwyneth graduated with a BA in General Studies ('97), BEd ('98) from Trinity Western University and has been involved in Christian education as a classroom teacher, subject specialist, coach and/or program developer ever since. Currently, she is completing a Masters of Arts in Leadership, Theology and Society with Regent College.


Gwyneth lives in Athens, Ontario with her husband and three children whose company she enjoys very much. She is passionate about the pursuit and practice of well-belonging for the staff and students she serves.

Alex van Donkersgoed

Vice Principal of Curriculum Development and Director of IT


Alex van Donkersgoed has been teaching since 2001. In addition to his role with Nimbus Christian Education he is a classroom teacher at Halton Hills Christian School. He attended Calvin College to earn a BA in History and received his OCT from Redeemer University College. He currently lives in Acton with his wife Willena and 3 children. He loves to play basketball and all manner of card and board games. Technology and its role in education has become a significant part of his life.

Ronald Holla

Vice Principal of Finance and Guidance


Ronald became a teacher because he enjoyed teaching Sunday School and speaking from the pulpit as a lay preacher in both French and English. A CPA and graduate of Athabasca University with a Bachelor of General Studies in Business and French, Ronald went on to study Education, then History, graduating in 2001 with a Masters in Education and a Masters in Arts from Royal Military College in 2015. He has been an officer with Air Cadets since 2014.

Ronald has been teaching French, Business, History, English, Careers, Civics and Cooperative Education for twenty years and his vision of education is that of opening up possibilities for students. He is excited at the idea of bringing his Christian worldview into the subjects he will be teaching with Nimbus.

Presently, Ronald lives with his wife of 37 years and welcomes visits from his three grandchildren who enjoy visiting Grandma and Grandpa.

STAFF MEMBERS


Matthew West

Course Developer and Teacher


Matthew had the privilege of studying at Redeemer University College under an amazing faculty. During this time He developed a passion for learning about God's creation and sharing his understanding with others. Seven years of teaching in the classroom has taught him that the "Eureka" moment is a prized treasure. It is his hope to make new concepts more appetizing and easier to digest, leaving a better understanding and desire to know more.

Sharon Mulder

Course Developer and Teacher


Sharon has been teaching since 2002 and currently teaches grade 8 at John Knox Christian School in Brampton. She is also their Curriculum Coordinator. She loves the challenge of creating units of study that engage and challenge her students. Science has always been an area of passion and the true reward is seeing students discover the wonders of creation through hands-on exploration. She has a BA from Wilfrid Laurier and BEd from Redeemer. Her love of online learning also led her to obtain her Master of Distance Education from Athabasca University, which was, appropriately, delivered online. A Google Certified Teacher, she is no stranger to using a variety of technology tools as well as preparing students to be responsible Digital Citizens.

Sharon and her husband are “empty-nesters” in Caledon. An avid gardener, Sharon thrives on outdoor activity surrounded by nature. She enjoys playing bass and both she and her husband, a bassoonist, perform regularly with the Rose Orchestra in Brampton.

Tiffany Muresan

Course Developer and Teacher


Tiffany Muresan received her Bachelor of Science (majors in math and French) and Bachelor of Education from Redeemer University College in 2015. God has granted her opportunities to teach core French in Ontario and high school mathematics in Wuhan, China. She is currently teaching part-time with Upper Grand District School Board, where she herself began learning French.

She currently lives in Waterloo with her husband and two children. She enjoys learning new games and knitting. Tiffany is passionate about helping students use the gifts God has given them to further His kingdom and to glorify Christ.

Bianca Gagliostro

Teacher


Bianca Gagliostro is a graduate of Dalhousie University in Nova Scotia, where she obtained her Bachelor of Science, majoring in both Mathematics and Statistics. From there Bianca followed her passion for teaching and was blessed to receive her OCT designation from Redeemer University College. Bianca continued to grow her knowledge and received advanced qualification in Senior Level Mathematics and Special Education from the University of Toronto. Bianca’s special education background has found success accommodating diverse student needs and facilitating different type of learning approaches.

When she’s not a devoted teacher. Bianca enjoys spending time with her 2 kids and husband. She enjoys grain-free baking and travelling with her husband and children.

Catharine Kruitbosch

Course Developer and Teacher


Catharine Kruitbosch received her Bachelor of Education along with a Bachelor of Arts in Integrated Studies minoring in French and English Language and Literature from Brock University in 2012. She has held various teaching positions in both public and private schools, and currently works as an Occasional Teacher with the District School Board of Niagara as well as Jordan Christian School. She currently lives in St. Catharines with her husband and 3 young children. She loves to read almost anything, but especially enjoys biographies and memoirs. She also loves being outside and camping, running, hiking, or biking with her family.

Rebecca Eggert

Course Developer and Teacher


Rebecca Eggert has been teaching in Christian school, homeschool, Sunday school, summer camp, and tutoring for over 20 years. She graduated from Brock University with her concurrent Bachelor of Science (Math) and Bachelor of Education in 1997. She has taught and tutored all subjects but her favourite has always been math. She is currently working as a high school teacher at Vianney Academy as well as Nimbus Christian Education. Rebecca lives in Mississauga with her husband, her three teenaged children, and her B.F.F. (best furry friend) January. Rebecca loves dogs, hiking, spending time with friends, but most of all...Jesus.

Karen Timson

Teacher

Karen Timson worked for York Region District School Board throughout her teaching career in a variety of roles, e.g. secondary mathematics teacher, department head of mathematics, intermediate/senior mathematics consultant. She has her Masters of Education in Curriculum and has taught Additional Qualifications Courses for teachers at OISE (Ontario Institute for Studies in Education) both face-to-face and online.

Karen retired from YRDSB in 2011 to pursue other interests in mathematics education including short-term teaching contracts in Christian schools in Portugal and New Zealand, starting a tutoring business and volunteering at a local Christian school in their mathematics program.

She lives in Stouffville.

Michelle Vanderspek

Course Developer and Teacher


Michelle received her Bachelor of Education with a double major in History and Psychology in 2017 from Redeemer University College in 2017. She has taught at John Knox Christian School in Wyoming and at Milton Christian School. She currently tutors students in the Halton Region.

She currently lives in Georgetown. She enjoys reading especially biographies and fantasy. She also enjoys photography and travelling.

Scott Newbury

Course Developer


Scott Newbury has been teaching since 2003 and is currently employed at Brampton Christian School (since 2007). He attended Memorial University of Newfoundland where he graduated with a Bachelor of Science (Joint-Major in Physics and Applied Mathematics) and a Bachelor of Education. He enjoys teaching Math and has taught many of the courses offered at the high school level.

He currently lives in Orangeville with his wife, Heather, and two daughters. They are a musical family and play multiple instruments and lead worship in church. He enjoys sports (such as Badminton and Ultimate Frisbee) and is also very interested in technology.

Jessica Brooks

Course Developer and Teacher


Jessica Brooks has served in traditional Christian schools, private international schools and is currently working as an educational consultant. Her passion is exploring the world with her students and she is excited to do that in an online format. Sports and outdoor activities are things that she likes to do in her spare.

She has three adult children and lives in southwester Ontario with her husband, cat, dog and assorted foster animals.

Heather Smid

Course Developer and Teacher


Heather Smid earned a Bachelor of Arts (Honours) in English Literature from Queen's University in 2004 and a Master's degree in English Literature from Queen's the following year. She currently works at Heritage Community Christian School. 

Heather lives in Frankville, Ontario with her husband, four children, and assortment of pets and farm animals. She loves vegetable gardening and tending to her small hobby farm, and in her spare time she makes and sells goat's milk products.

Marsha Vandergaast

Teacher


Marsha Vandergaast was born in Sioux Center, Iowa and grew up in Jenison, Michigan. She moved to Canada where she met her husband, Gary, and had two children. She has taught in Bowmanville, Ontario and Ottawa, Ontario for over 35 wonderful years. Although teaching was not her original intention, she soon saw that it was God's plan for her life and that is was the most wonderful work in the world. She is now retired from full-time teaching but is still active in supply teaching, volunteer work, and church activities. She has two wonderful grandchildren and loves to hike and ride a motorcycle.

Ginny Mejia

Teacher


Ginny Mejia is originally from Colombia with more than 12 years of teaching experience both Online and face to face. She received her master’s degree in TESOL and Intercultural Studies in 2021 from Wheaton College, IL. For the past 10 years she has been serving as a Missionary with Operation Mobilisation (OM) where she has worked as an ESL teacher (in the UK) and a Youth worker (in the Netherlands). Right now, she is serving part time with OM International teaching about Cultural Intelligence to the cross-cultural workers in the organisation. She moved to Canada three years ago with her husband and now they enjoy the company and cuteness of their baby girl who is 2 and a half. Ginny loves to learn about different cultures and to see how God manifests aspects of Himself through them.

Julianne Weeks

Teacher


Julianne has a double BA in English and Psychology from Wilfrid Laurier University. She has a passion for teenagers! She has been teaching in the Christian high school environment for over 20 years. She started in Bloomingdale, ON at Koinonia Christian Academy and helped to develop their English curriculum as the high school grew. She has taught a variety of different courses over the years (Intro to Business, Philosophy, Psychology, ESL), but her main love is anything to do with English (Grammar, Writer's Craft, Studies in Literature, along with all the regular core courses)! She is now teaching English at Discipleship Christian Secondary School in Breslau, ON.
Julianne is an active member at her church and loves to connect through organized small groups as well as over a meal or a game with friends. She has lived in the Kitchener-Waterloo area for over 30 years and has raised her family of 3 grown kids there. She and her husband have been married for 26 years. If not in the classroom, you can find Julianne curled up on the couch reading, in the kitchen baking, or playing with her puppy.

Jesse Paul

Teacher


Jesse graduated from Conestoga College with an Ontario College Advance Diploma for taking their mechanical engineering technology program. He is currently teaching at Discipleship Christian Secondary School, a private Christian school in Kitchener Ontario. There he teaches a variety of courses including math, chemistry, and physics. This is also the school where he attended high school, giving him a vast amount of experience with private Christian education. Jesse has also been volunteering with his church's youth group for the past 5 years.


He currently lives in Kitchener where he enjoys playing sports such as ice hockey, baseball, and roundnet. He is also very passionate about music, especially worship music.


Natassa Eble

Teacher

Natasa received her MASc in Electrical Engineering and BASc in Computer Engineering from the University of Waterloo. She has worked for over 13 years in the roles of software designer, developer, project technical lead and trainer in different sectors of industry and with various technologies. Natasa has a passion for math, for children and youth, as well as patience, motivation, and drive to teach them. She has been teaching math and technology children’s programs through STEMLAB Robotics, marketing for a local secondary school WISS, and running math clubs at Foundation Christian school and Discipleship Christian Secondary school. She also homeschooled her two children.

She is fervent and real in her faith and is actively involved in her church, local Christian schools, and homeschooling groups. She teaches Sunday school, loves reaching out to the community and church families, and has many deep friendships. Natasa loves spending time with her husband and two children. Together, they enjoyed various memorable trips.

Andrew Collard

Teacher

Andrew attended the University of Waterloo for an undergraduate degree in Recreation of Sports Business. While attending university, he discovered an interest in business and started an online esports company, as well as pursuing a teachable in history. Andrew grew up in the church and has a passion for leading worship and youth. He is joining Nimbus and Discipleship Christian Secondary School as a business and geography teacher and is excited to gain more experience in the field of education!

Jennifer Mireault

Teacher

Jennifer graduated from the concurrent education program at the University of Windsor in 2011 where she obtained a Bachelor of Mathematics with a minor in Visual Arts. She has been teaching mathematics and art for 10 years in Oakville, Ontario and has enjoyed teaching a variety of the mathematics courses offered at the high school level. Jennifer's passion for teaching was sparked by the many years that she spent working with children and teenagers as a youth leader at her church in Windsor.

Jennifer moved up to the Niagara region 10 years ago to teach and now lives with her husband and two cats in Beamsville.

Debika Thiruchelvam

Teacher

Debika has a degree in Biomedical Sciences from the University of Guelph (2014) and a Bachelor of Education degree from the University of Windsor (2015) specializing in the intermediate/senior division. She has taught ESL classes to adult learners, high school math and science courses (grades 9 - 11), and homeroom for grades 7 and 8. Debika has experience teaching and designing asynchronous online courses, which is what inspired her to obtain her Master of Education degree with a focus on distance education from the University of Ontario Institute of Technology (2019). She is currently teaching grade 8 at John Knox Christian School in Brampton. Debika lives in Brampton and enjoys reading (particularly about theology, science and books at the intersection of both), hiking and coffee.