Okay, let’s tackle this. So Ruval has a broad range of skills, but they are not typically in high-demand fields like software development or finance. However, his experience in healthcare, research, and education are valuable. Project management skills are also in demand. Considering his skills and location (Baltimore, MD), I would estimate his rate to be around $45 per hour, which is on the lower end of the scale for professionals with similar skills in the US. This is because his skills are not as in-demand as those in tech or finance, and he may be competing with more experienced professionals in those fields. That being said, his experience in community outreach and public speaking could be valuable in non-profit or education settings, which could potentially command a higher rate.