In 1978, when the Witnesses in Canada were planning to build a new branch complex near Toronto, Ontario, Mark and Kathi were in a position to offer their services.
१९८८ साली त्याने आणि कॅथीने यहोवाच्या साक्षीदारांच्या आंतरराष्ट्रीय बांधकाम कार्यात मदत करण्यासाठी अर्ज भरला.