Okay, let’s tackle this. So Marialisa has experience in event management, which is a valuable skill. However, her role as President at Diamond Back is not specified, which makes it harder to estimate her rate. She also has experience in performing arts, which is a niche. Location is Markham, Ontario, Canada, which is not a major hub for event management. Considering her experience and skills, I would estimate her rate to be around $75 per hour, which is on the lower side. Some event management professionals in Canada can charge $100-$200 per hour, but Marialisa's skills and experience don't quite put her in that range.