Medical Connections Holdings Inc. (OTCBB: MCTH.OB) named Jeff Rosenfeld as its new chief operating officer. Rosenfeld's most recent role prior to coming to Medical Connections was as director of practice and business development at CBIZ. Prior to CBIZ, Rosenfeld had served as president of Medical Staffing Direct, a healthcare staffing firm focused on supplying per diem nurses. At Medical Connections, Rosenfeld will supervise day-to-day staffing operations and integration of future acquisitions.