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Management Team


W. Mark Dixon

President / Founder

Mr. Dixon, with partner Victor Kellan, founded USresources South in 2000 as a staffing company initially focusing on Information Technology with an eye on growth into the Healthcare sector. In 2002, through a pilot program with HCA’s Tri-Star Division, the company shifted its focus to healthcare staffing and later changed the name to USr Healthcare. Prior to founding USr Healthcare Mr. Dixon spent 10 years with BT Ginn’s a subsidiary of Buhrmann NV. He spent eight years as a sales representative, and over the last five years he led the east region in new accounts and sales volume. In 1993 Mr. Dixon was tasked with turning around the Richmond, Virginia Division for Buhrmann. Over the next two years he oversaw growth in the company’s sales of 1180% through a combination of organic growth and acquisition and re-established the company as a market leader. In 1995 Mr. Dixon left BT Ginn’s to help form a consulting and turn around company, Corporate Supply Network, which focused on assisting privately held companies in the distribution industry with operational, sales and management assistance. Mr. Dixon is a 1984 graduate of the University of Alabama.


Mary DeLoach

Region Vice President

Ms. DeLoach has more than 25 years of experience in human resources, 20 of which were spent in the healthcare industry. During her career, she has held several HR leadership positions with large, multi-unit healthcare companies and has been responsible for all areas of human resources including recruitment, employee relations, benefits and compensation. Ms. DeLoach has a graduate degree in Human Resource Development from Vanderbilt University and an undergraduate degree from Rhodes College.


Eileen McCallum

Region Vice President

Ms. Dixon brings more than twelve years of experience in the healthcare recruiting field to USr Healthcare. Under her skilled leadership, the flagship division of one of the nation’s largest healthcare companies has seen a dramatic increase in the success of its talent acquisition efforts. Ms. Dixon prepared for her distinguished career in healthcare leadership at the University of Alabama.


Melanie Simon, MBA

Director of Recruiting

Ms. Simon started with USr Healthcare in 2008 as an onsite recruiter, staffing up to four hospitals at one time. Melanie is a talented recruitment management professional with extensive experience in program, team, and project supervision. She has an extensive background in management, logistics, and health related areas as military healthcare professional. Adept at developing, implementing, and leading successful programs, Melanie is responsible coordinating the Back Office activities and marketing strategies. Melanie has an award-winning record of performance, earning the coveted Recruiter of the Year award in 2011 in addition to many other awards. Ms. Simon obtained her BS in Business/Marketing from the University of Phoenix in 2004 and then completed her MBA in Business/HR Management in 2006 from Trident University.