Tent Schools International is a team of people dedicated to the cause of education for under-served children. We are parents, friends, neighbors, citizens and advocates who are doing what we can, where we can, to impact our world for the better.


Scott Vander Kooy leads Tent Schools International (TSI) as President, guiding the organization’s vision since 2001. He is passionate about educational equity, environmental issues, ethical business and spending time with his family at Stony Lake in Michigan. Scott has traveled extensively through his work with TSI, building up partnerships in the Philippines, Singapore, China, India, Romania, Ukraine and Guatemala. He is also president and founder of TSI’s sister organization Comprenew, an electronics-recycling company dedicated to inspiring environmental care and increasing vocational preparedness for people from all segments of society. Scott and his wife, Jan, have three grown children and one grandchild.

svanderkooy@tentschoolsint.org / (616) 531-9102



Karen Hilverda (2003) leads accounting, budget, audits, financial certifications, and human resources for Tent Schools International.  Karen ensures we remain in good standing with ECFA, Barnabas Foundation, GuideStar and various church denominations.

khilverda@tentschoolsint.org / (616) 531-9102



Emily Klooster has been with us since 2005. She currently leads creative projects for TSI, using her skills in layout, graphic design, brand management, writing, editing and content development. Emily is passionate about human rights and equity, environmental protection, travel, music, reading and spending time outdoors. She has a bachelor’s degree in English with a minor in Art from Calvin University, and completed a college internship in communications with the international development organization World Renew. After graduating, Emily spent one year as an Americorps volunteer tutoring students in Seattle, Washington, and another year teaching fourth grade to English Language Learners (ELL) in Tegucigalpa, Honduras. Emily and her husband, Jono, have three children.

eklooster@tentschoolsint.org / (616) 745-0749



Rawan Haddad joined us in 2018, maintaining relationships with supporters and growing our base by sharing her firsthand knowledge about the refugee experience. She is an integral part of our partnership development in the Middle East to promote educational options for displaced children. Rawan is passionate about mentoring women, Jordanian food, and showing God’s love through action. She and her family are originally from Jordan, where they spent four years working with Syrian refugees in the Zaatari camp through Global Hope Network International. She has also taught Arabic as a second language and trained in a two-year discipleship program with Arab Woman Today Ministries. Rawan currently volunteers as an Arabic instructor for children at West Michigan Friendship Center. She and her husband, Salah, have two sons.

rhaddad@tentschoolsint.org / (616) 988-8260



Kathy Fauble (2019) manages our database and donor services department. She loves data and maintains detailed records of donors, leads data entry, maintenance and receipting, manages our bookkeeping, and formulates mail and email lists as needed. She provides valuable reporting to staff to give them the information they need to do their jobs well. Kathy is passionate about her family and loves to spend time with her two dogs and grandchildren at the lake. She has advanced training in accounting and computer technology and spent 30 years managing the data and information systems for the United Way of West Michigan. Kathy is a team player, open to change, thinks out of the box, and has a sixth sense for troubleshooting.

kfauble@tentschoolsint.org / (616) 531-9102




Berniz Constanza is the Vice President of Housing and Family Services for Inner City Christian Federation, a non-profit housing corporation shaped by its belief that all people deserve safe, clean, affordable housing. She formerly worked as Community School Coordinator for Kent School Services Network (KSSN), a non-profit partner of the schools that help students and families access needed resources. Berniz has a bachelor’s degree in Business Administration from Calvin University. She is a process developer and strategic thinker, capable of effectively moving organizations forward. Berniz and her husband, Aaron, live in Grand Rapids, MI. Learn more about Berniz here.


Trent Wieringa is Senior Vice President at Advantage Commercial Real Estate, specializing in industrial property. Wieringa is honored to support manufacturers in West Michigan to find the right property where their business can thrive. His detailed research and deep knowledge of the market make Trent an invaluable asset to his clients. He holds a bachelor’s degree in Finance and Marketing from Grand Valley State University. Trent is also the grandson of one of our founders, carrying on a family legacy of hope.  He lives in Grand Rapids, MI, with his two children with his wife, Chelsea.


Galen DeYoung is Managing Director at Proteus B2B Marketing, a professional services firm serving business-to-business clients and specializing in maximizing marketing qualified leads through organic search and content marketing. For more than two decades, Galen has worked with a wide range of B2B clients in numerous industries—from Fortune 500 to mid-size manufacturing and technology firms to smaller, professional service firms. Prior to his career in marketing, Galen worked as a Certified Public Accountant and consultant for Plante Moran. He is a graduate of Calvin University.