Service based on your needs, not ours


The purpose of MedNational Staffing is to leave a legacy of career opportunity, help both business and individuals succeed.


  • Self sustaining business
  • Diverse service offerings related to Healthcare Human Capital
  • Diverse client base across healthcare industry


  • Easy to work with
  • Conduct business with integrity and ethics
  • Respect for clients and employees
  • Provide meaningful work and opportunity for personal growth and success


To be a premier provider of contingent and direct labor solutions to large and mid-size companies in the healthcare industry. We help individuals with their career growth, and help businesses grow value and profits by providing people with services related to talent acquisition and retention

Using the best business practices obtained from many years of experience in Business, Law, and Recruiting and Staffing, the Founders at CrossFire Group (“CrossFire”) started in downtown Royal Oak, MI more than a decade ago. With backgrounds in Information Technology (IT) and the Legal Industry, CrossFire began placing by IT and Legal Professionals in temporary, contract and direct-hire positions throughout the Midwest.  Eventually, the placements led the company to the healthcare industry.  In 2016, MedNational Staffing was acquired by CrossFire and together they complimented each other through MedNational’s industry knowledge and CrossFire’s robust back office support.

Since our founding, MedNational has grown into a full-service Healthcare Human Capital Solutions Organization. We are proud of now providing full services beyond recruiting and staffing. Our portfolio of services includes HR supply chain management, human resources consulting, and many customized Human Resource related services.

MedNational places professionals in the following niche areas:

• Registered Nurse
• Allied Professionals
• Call Center / Clerical
• Dietary / Environmental Service
• Payroll Services

MedNational’s Human Capital outsourcing group provides:

• Recruitment Process Outsourcing (RPO)
• Human Resource Consulting
• Customized Solutions

Today, we conduct business in all corners of North America, and we haven’t lost focus on our mission. Our company is based on providing our clients with top-notch and quality-focused Human Capital services while enriching the lives of individuals in their search for employment and career development.

CrossFire Managed Services, LLC is the holding company for MedNational Staffing (healthcare staffing and consulting), CrossFire Group (staffing and consulting), and Reveal Talent Solutions (Managed Service Provider/Vendor Management System).


Co-Founder and President
  • Marty Rosenau

    Marty Rosenau has more than 25 years of corporate business experience in management, training, staffing and recruiting. Prior to co-founding CrossFire Group, Marty held senior leadership positions in two Fortune 500 companies; a large computer manufacturer and one of the largest staffing companies in the world. As an entrepreneur, he has also founded numerous companies and is an advocate of small business enterprises. Mr. Rosenau also regularly conducts seminars on employment-related topics of current interest. He holds a Bachelor of Arts (B.A.) in Business Administration from Michigan State University and a Master of Business Administration (M.B.A.) from Western Michigan University.

Deborah Schneider

Co-Founder and CEO
  • Deborah Schneider

    With more than 27 years of experience practicing law, Deborah Schneider provides CrossFire clients with an extensive bank of knowledge in HR-related legal issues. Ms. Schneider specializes in employment, business, technology and intellectual property law. She was a partner in two of Michigan’s premier law firms as well as vice president/chief legal officer for Championship Auto Racing, Inc., a publicly traded automobile race sanctioning body. Ms. Schneider has also conducted seminars on various legal topics, and currently teaches Sports and the Law at Wayne State University Law School. She holds Bachelor of Arts (B.A.) degrees in Human Biology and Economics from Stanford University and a Juris Doctor (J.D.) from Wayne State University.


  • Office Locations

    691 N. Squirrel Road
    Suite 118
    Auburn Hills, MI 48326
    777 N. Michigan Avenue
    Suite 2004
    Chicago, IL 60611