Course Developer and Teacher

Matthew West

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.


Mary Vriezema

Mary Vriezema began her career as an educator in 2006, when she traveled to Seoul, South Korea to teach at Global Christian School following her bachelor of Science degree at the Univeristy of Guelph. She returned to Toronto to teach English as an additional language, then completed her bachelor of Education degree at the University of Ontario Institute of Technology in Oshawa. She completed a year and a half stint teaching in the UK, and returned to Mississauga, Ontario to teach at Meadow Green Academy.

She is currently living in Oakville, Ontario with her husband, Andrew. She works from home while raising their two children.

Course Developer and Teacher

Sharon Mulder

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.

Course Developer and Teacher

Tiffany Muresan

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.

Course Developer and Teacher

Nathan Wensink

I have taught Grade 7 and 8 students for the past 8 years In Hamilton Ontario. I have a wonderful wife, Janelle, who is also a teacher. I have a son, Carter, who is beginning Grade 1, and a daughter, Emma, who is about to begin JK. I enjoy technology and robotics, and run a robotics group at Calvin Christian School. I also enjoy renovation houses (my own and family members houses) and fishing.


Bianca Gagliostro

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.

Course Developer and Teacher

Kevin Baker

Mr. Kevin Baker has been a music and drama educator since 1995. Originally hailing from rural Saskatchewan, Kevin has taught for various public school boards spanning both provinces specializing in instrumental/vocal music education as well as dramatic arts studies. He attended the University of Regina where he earned his initial B.Mus. Ed. Degree and is currently enrolled in his Masters of Education degree at the University of New Brunswick with a focus on Design Instruction. In addition to Nimbus Christian Education, he is a teacher with Quinte Christian High School and a parent volunteer music teacher with Kingston Christian School.

Mr. Baker resides in Kingston Ontario where he lives with his wife Hope and two beautiful and feisty daughters - Avery and Amelia. He enjoys all outdoor activities especially hiking, rock climbing and family camping. Kevin is active as a professional entertainer/singer/musician in various ensembles and troupes in Ontario and is a valued member of his music praise and worship team at his family’s church. He is also a musician/singer in the Saskatewan-based Indi rock band Nickeltree.


Catharine Kruitbosch

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

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.


Kathy Sett

Along with being an online educator, Kathy is also a Senior Math and Science teacher at Discipleship Christian Secondary School in Breslau. After completing her Bachelor of Mathematics at the University of Waterloo, she worked in the IT and financial industries for a number of years. In 2013, she obtained her teaching degree from Brock University. Moreover, Kathy has supervised various children's ministries at her church.

Currently, Kathy lives in Kitchener with her family and enjoys her backyard oasis in the summer.


Karen Timson

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

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.

Course Developer

Scott Newbury

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.

Course Developer

Michael Zietsma

Michael has served as a teacher at King's Christian Collegiate for 15 years. He has been teaching Canadian, American, and European History, as well as, Phys. ed. He loves being in the classroom with the students and designing fun learning activities.

He attended Trinity Western University, Redeemer University, and Lakehead University. B.A. (Double major in history and kinesiology, minor in political science) and B.Ed.

He has enjoyed serving as a Men's soccer coach for 13 years and also enjoys fishing, boating and being outdoors! .

He has pursued a side business (Creating History) developing curriculum for both teachers and homeschooling families across Canada and the US. You can find his curriculum at his website here.

Social Media Consultant

Dinah Whitton

Dinah Whitton has been a professional Freelance Writer since 2013. Her passion for writing and editing naturally blossomed into social media consulting. Dinah’s educational background includes studies in Broadcast Journalism, Corporate Communications and Marketing Communications. She has written for various organizations, corporations and politicians. In addition to supporting social media initiatives at Nimbus, Dinah is a homeschool mother of 4 children. Dinah enjoys binge-reading, travelling and cycling. Currently, she resides in Mississauga, Ontario with her husband and children.

Executive Director and Principal

Alex van Donkersgoed

LinkedIn Profile

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.