meet our

executive team.

With decades of experience and a broad range of expertise in the healthcare staffing industry, our fantastic leadership team keeps the whole operation alive and kicking. Trust us; you’re in good hands.

Abigail Tremble, President

Years with Randstad: 9 years

Education: Abigail received her Bachelor of Arts degree in history from the University of Georgia.

Responsibilities: As president of Randstad Healthcare, Abigail Tremble leads Randstad’s healthcare staffing practice with an eye for growing the business exponentially. Leveraging her expertise in positioning organizations for scalable growth, Abigail is poised to capture marketplace opportunities that exist within the $15B U.S. healthcare staffing market. She most recently served as executive vice president of national operations, in charge of more than 500 Randstad US General Staffing retail and on-site locations. In addition to overseeing sales, recruiting, employee development and business process improvement, she managed business performance of Randstad US’ third-largest business zone. Abigail also successfully managed operational execution of Randstad’s Spherion acquisition in 2011.

Professional History: During a seven-year hiatus from Randstad between 2002 and 2009, Abigail co-founded a private consulting and recruiting firm, centralized and managed a national customer service operation, created two online universities, and implemented Six Sigma business process improvement programs. She started her career with Excel Temporary Services in 1998, a company later acquired by Randstad.

Contact: abigail.tremble@randstadusa.com

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Melissa Knybel, RN, BSN, Vice President of Clinical Services and Quality

Years with Randstad: 18 years

Education: Melissa received a Diploma in Nursing from Baystate Medical Center School of Nursing and went on to receive her Bachelor of Science in nursing from the University of Massachusetts.

Responsibilities: Melissa is the vice president of clinical services and quality at Randstad Healthcare and responsible for the overall management of the administration, quality assurance and housing departments. One of her biggest successes was achieving Joint Commission certification for Health Care Staffing Services in April 2005 for the travel and case management divisions, and later company-wide certification in May 2006. In addition to working closely with all of the field managers, Melissa also coordinates improvement projects, evaluates and monitors all workers' compensation claims and medical malpractice issues, and works with the legal department to evaluate client contracts.

Professional History: Melissa has over 10 years of experience in the medical staffing industry and over 10 years of clinical nursing experience. Prior to joining Randstad Healthcare, Melissa was employed as a registered nurse in a variety of settings, including a level-one trauma center and a community hospital, and worked as an instructor for an Associates Degree RN program. She is a member of the Joint Commission Advisory Board for Health Care Staffing Services, sits on the Clinical Executive Committee of the National Association of Traveling Healthcare Organizations and is an active member of the Health Care Policy Council of the American Staffing Association.

Contact: melissa.knybel@randstadusa.com

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Roxanne Kos, Director, National Operations

Years with Randstad: 18 years

Education: Roxanne received her Bachelor of Arts degree in psychology from the University of Kansas.

Responsibilities: Roxanne Kos is the director of national operations at Randstad Healthcare and most recently held the position of senior manager of reporting and business intelligence. Throughout her tenure with Randstad, Roxanne has been responsible for front and back office processes and implementations, training and documentation, operational analysis and reporting.

Professional History: Her considerable staffing and system experience has been leveraged by Randstad Healthcare and other Randstad divisions for system configurations, operational best practices and process improvements. She is an active member of the Technology Association of Georgia and the Kansas University Alumni Association.

Contact: roxanne.kos@randstadusa.com

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