About / Leadership


RTG Medical is a five-time Inc. 5000 recipient for Fastest Growing Privately Held Companies, 2021 Largest Healthcare Staffing Firms in the United States by Staffing Industry Analysts (SIA), three-time Baird Holm LLP Best Places to Work in Omaha; sponsored by the Greater Omaha Chamber and two-time Excellence in Philanthropy sponsored by the Greater Omaha Chamber.


Founded in 2001, RTG Medical is a veteran-owned healthcare staffing company. The RTG team works every day to alleviate the national healthcare provider shortage by matching the best traveling medical professionals with facilities across the country. Voted three times by our employees a ‘Best Places to Work in Omaha’, we mean it when we say, “People are our only asset!”


RTG Medical is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations, and ordinances.


Charlie Janssen

Charlie Janssen

  • Co-Founded RTG Medical in 2001 
  • Experience in the healthcare staffing industry since 1999
  • United States Navy & Persian Gulf War Combat Veteran 
Jeremy Guenthner

Jeremy Guenthner

Chief Operating Officer
  • Co-Founded RTG Medical in 2001 
  • Experience in the healthcare staffing industry since 2001
Craig Wolf

Craig Wolf

  • A founder of the healthcare staffing industry with experience since 1993
  • Previously was Vice President of Aureus Medical Group & President of FocusOne Solutions
Dave Guenthner

Dave Guenthner

Chief Financial Officer
  • V.P. CFO/ Director RTG Medical since 2003
  • Co-Founder, EVP and CFO of Valcom/InaCom Corp. (1980-2000)
  • 4 years Controller, Valmont Industries

Paul Fishburn

Vice President of Healthcare Staffing Operations
  • 17 years of experience in health care staffing
  • Previously Branch Sales Manager of Aureus Nursing Long Term Care Division
  • Oversaw development of top performing sales teams and business unit growth strategy

Mandy Hileman

  • 18 years of experience in healthcare staffing
  • Previously was Director of Operations at FocusOne Solutions where she oversaw all aspects of the MSP program including implementation, account management, client relations, and affiliate partnerships

Bill Fleck

Director of Nurse Staffing
  • Entered the Healthcare Staffing Industry in 2000
  • 15 years at RTG Medical as Director of Nurse Staffing
  • Experience as a recruiter, trainer, and leadership team member  

Tom Hamilton

Director of Allied Staffing
  • Experience in healthcare staffing since 2008
  • Team Lead for Medical Solutions/Aureus Medical for 5+ years
  • Responsible for managing, developing, and growing RTG Medical's Allied team
  • Responsible for building divisions to motivate and maximize performance

Chris Payne

Acute Nursing Manager
  • Experience in healthcare staffing since 2011
  • Responsible for managing and developing the acute nursing sales team
  • Previous roles as recruiter, account manager, and training coach

Irene Holmes

Long Term Care Manager
  • Experience in healthcare staffing since 2010
  • Recognized top performer in Long Term Care marketing and client management
  • Responsible for mentoring and leading high-performing sales teams since 2012

Josh Boerma

Director of Major Accounts
  • 10 years of industry experience
  • Previously Branch Sales Manager of Aureus Cardiopulmonary Division

Nick Janssen

Director of Human Resources
  • 17 years of experience in healthcare staffing
  • 40 years previous small business management/ownership

Stacy Laue

  • Registered Nurse for over 20 years with a background in the Intensive Care Unit
  • Currently serves on the NATHO Clinical Executive Council (CEC) convened to champion themes and trends that represent opportunities for education and improvement in the staffing industry

Keith Savoie

Director of Marketing and Technology
  • Experience in healthcare staffing since 2017
  • 27 years as VP of Technology in marketing

Zach Crosby

Director of Sales Training & Enablement
  • 8 years of industry experience
  • Pioneered RTG's recruiter training program - 2022 ATD award-winning
  • DISC Practitioner Certified, EQ Certified

Sunni Wiltse

Director of Talent & Development
  • Experience in the healthcare staffing since 2014
  • Nationally and regionally recognized in the Talent & Development field
  • SHRM-SCP Certified, DISC, Motivators, and Talent Smart EQ Certified Practitioner
  • Responsible for employee experience, professional and leadership development, and enterprise-wide training initiatives


Implimented in 2017, RTG Medical’s Community Partnership Program is an employee-driven effort supporting local nonprofits that align with our company’s values. To date employees have donated over $300,000 to our official community partners. To learn how RTG is making a difference in our communities, visit our Community Partnership page.