The Travel Nurse Advocate. The professionals at Advance 24/7 Medical Staffing have been placing nurses in rewarding positions for over 18 years. We are successful because we really do care about the nurses we work with. Prior to starting his career in staffing, our president and founder, Chris Brock, worked as a registered nurse and a travel nurse. Because of his experience, Chris Brock became an innovator in the medical staffing industry. We value transparency and honesty, and we are truly passionate about partnering with nurses to grow their careers in travel nursing. Because of our reputation for consistently placing exceptional nurse’s, we have contracts with healthcare facilities coast-to-coast. Our proven track record provides us with access to thousands of jobs nationwide. We are confident that we can match you with a position that will advance your travel nursing career and overall professional satisfaction.