Donya Stubbs


Donya has a B.Sc. in Food Science and has worked in the food and market research industries for over 25 years. Now as Vice President of Research and Insight, and a consultant with a Certified Market Research Professional designation, she helps the food, beverage and personal care industries test and approve their products. During her career Donya has served on multiple market research and sensory science boards in both Canada and the US, championing best practices, strategic efficiencies and effective communication. In her professional leadership roles, Donya has sought to mentor emerging professionals, promote practical communication and demonstrate servant leadership.

Case Geleynse

Vice President

John Visser


John previously served on the HCH board from 2012 – 2018 in the capacity of Treasurer, Chair of the Finance Committee, Chair of the Governance Committee, Chair of the Strategic Planning Committee and Chair of the CEO Search Committee. Over the past year, he has continued to serve as Treasurer.

Ralph DeWolf


Ralph graduated with a Mechanical Engineering Degree from the HTS in The Hague, The Netherlands and immigrated to Canada in 1970. He first worked for a division of Redpath Industries in Toronto for 14 years as an Industrial Engineer, with promotions to Engineering Manager, Plant Manager and Controller while also being involved in computerizing some manufacturing and costing systems. In 1985 Ralph took a position as Corporate Controller with Depco International Inc. and associated companies and was later promoted to Chief Financial Officer of this group of companies. At Depco he was in charge of all accounting, budgeting, costing, benefit administration and was involved in Continuous Improvement initiatives. He was a member of the Finance and Maintenance Committee at his church for many years. He has been a volunteer at Holland Christian Homes for 18 years.

Walter Jansen


Walter worked for several Architects and Consulting Engineers and became involved in the computerized structural design of large buildings. He also worked for about ten years for one of the major Building Contractors in our City as Project Manager. He next worked for about 15 years for the City of Toronto, in charge of many major construction projects, such as the new Police Headquarters on College Street and the new City Archives Building. After retirement Walter volunteered for years as construction consultant in our Christian Community by advising School Boards and Building Committees. He was involved in the building of John Knox Christian School in Clarkson, Kings Christian Collegiate in Oakville, TDCH in Woodbridge and ClearView CRC in Oakville. Walter is one of the few surviving members of the Building Committee that many years ago built Trinity Towers here at HCH.

Keith Ambtman


Keith has been a member of the Board over the past 30 years serving in several capacities including President of the Board. Keith was Chairman of the Development committee responsible for the construction of Providence Tower, King Tower, Peace Tower and Grace Manor. Keith is currently chairman of the Development committee responsible for the construction of New Faith Manor and the rebuilding of the existing Faith Manor into a new memory care facility, to be called “Bethany Place”.

Rev. Herman Praamsma


Herman is a graduate of Calvin College and Seminary (B.A., B.D., M. Div.) as has mainly served churches in Ontario – Waterdown, Toronto and Brampton – as well as one pastorate in Edmonton. He has also served as part-time University Chaplain, Hospital Chaplain and Correctional Chaplain. The last twelve years of his active ministry were at Holland Christian Homes. He has served on the Boards of Christian Counseling Services, Salem, ICS, M2M/W2W, and presently is Chairman of the Board of Beginnings Family Services. Herman also continues to serve the local Classis as Synodical Deputy and as Chair of the Nominating Committee.

Greg Riedstra


Greg has been a member of CrossPoint CRC Brampton since childhood. He has served in various committees, multiple terms as Deacon Chair, and Chair of Council. He is an active volunteer and Chair of the Board of Encore Thrift Store which supports John Knox Christian School, Brampton. Greg is a self-employed property manager and owner of a number of residential apartment buildings. He has been involved in property management and investment for over 30 years and has also operated and participated in a variety of small businesses ranging from agriculture to health care television.

Joanne Rozema


Joanne’s background includes a Bachelor of Commerce degree from Queen’s University and work experience in commercial and corporate banking with the TD Bank. She has served on the board of John Knox Christian School (JCKS), including the position of Chair, and on church council, as Deacon Chair and as Administration Board Elder and as the Clerk of Council at CrossPoint CRC. She is also a member of the church’s finance committee and has served on the Pastoral search committee. Joanne was a founding member and Board member of the Encore Thrift Store, having been heavily involved in establishing the store which supports JKCS.

Charles Sjaarda


Charles attended TDCH and receiving an Honours Diploma from The Toronto School of Experiential Education, he studied business for two years at the University of Toronto. He and his wife Elizabeth have been married for 33 years and have 3 children and 2 grandchildren and live in Kleinburg. Currently Charles is self employed as a construction consultant and project manager after having operated a construction and renovation firm for 25 years. He has recently completed a 6 year chairmanship term at Rexdale Alliance Church and has also served on the TD Christian High School and Timothy Christian School boards. Charles is willing to serve Holland Christian Homes largely because he has seen firsthand, through many family members, the many blessings and benefits that the facilities and care are to the tenants.

Jessica Miedema



Chief Executive Officer
Ken Rawlins
905.459.3333 Ext. 5227

Vice President of Operations
Tracy Kamino
905.459.3333 Ext. 5374

Director of Finance and Administration
Richard Sredzinski
905.459.3333 Ext. 5375

Administrator of Faith Manor
Aleksandra Grzeszczuk
905.459.3333 Ext. 5356

Administrator of Grace Manor
Jessica Radon
905.459.3333 Ext. 5255

Director of Pastoral Care
Pastor Henk Bruinsma

Director of Tenant Care
Dawn Serrick
905.459.3333 Ext. 5263

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