Okay, so Dave O'donnell has a broad range of skills that are in demand in the nonprofit sector. However, his rate is on the lower end. Considering his skills, such as fundraising, public policy, and program management, I would expect a higher rate. Maybe around $100-$150 per hour. However, since he's based in Baltimore, Maryland, which is not a major hub for nonprofits, his rate might be lower. Let's assume an average rate for a nonprofit professional with similar skills in the US, which is around $75 per hour.