YACA Interviews Marc Alexander Posted on August 1, 2009 Updated on August 1, 2009 YACA Interviews Marc Alexander http://www.youtube.com/watch?v=H99G… Canterbury Regional Coordinator for Youth Against Child Abuse NZ (YACA) Matthew Van Voorthuizen interviews Marc Alexander, trusteee on the board for Victims Unite and National candidate for Wigram in the 2008 election.