Okay, let’s tackle this. So Erica Williams has a Ph.D. in Public Health from Walden University, which is a reputable institution. She has over 20 years of experience in healthcare, including leadership roles as founder and CEO of Preferred Premiere Healthcare Providers Inc and owner of TPN, Inc. Her skills in teaching, research, leadership development, strategic planning, and program management are in demand. Location is Baltimore, Maryland, which is a mid-sized city with a relatively stable economy. Considering her education, experience, and skills, I would estimate her hourly rate to be around $125, which is below the national average for healthcare executives with similar qualifications. However, this is a rough estimate and may vary based on specific industry demands and location.