Based on the provided skills and experience, I estimate Leonora Kain's hourly rate to be around $100. This rate is relatively low compared to other nonprofit professionals with similar experience. However, considering her 20 years of experience and the fact that she is currently working in a clinical role, her rate is still competitive. A more accurate estimate would be in the range of $150-$250 per hour, but this rate is a conservative estimate based on the information provided.