Our Leadership

 We invite you to learn about our leadership team and award-winning corporate community. 

Tim Fischer
Anne Anderson
Deon Barber
Dave Booher
Melissa Campbell
Matt Hale
Maggie Youmans
Deme Christian
LaKeisha Sisco-Beck

Tim Fischer


Tim leads Jackson + Coker with passion and enjoys helping others achieve more than they thought possible. With more than 30 years of experience in the staffing industry, he has a proven track record of successful leadership and a deep understanding of how to impact lives and drive corporate outcomes. Tim is known for his personal touch, remembering the names and stories of each associate, and infusing emotional intelligence into J+C’s business strategy.  

Before joining Jackson + Coker, Tim served as President of Medical Doctor Associates and held leadership roles at RCG Global Services and IMI Systems. Tim graduated from Culver-Stockton College and attended the United States Air Force Academy. He is a sought-after speaker and coach. Tim is a member of the Illinois High School Basketball Hall of Fame.

Connect with Tim on LinkedIn.

Invite Tim to speak. 

Anne Anderson

Executive Vice President

Anne has been at the forefront of the evolution of locum tenens for more than 35 years. She’s a respected leader with expertise in corporate operations, risk management, credentialing, and travel services. Before joining Jackson + Coker, she served as Executive Vice President at Medical Doctor Associates, part of Cross Country Healthcare. 

An ardent industry advocate, Anne served several years on the Board of the National Association of Locum Tenens Organizations (NALTO), including two years as president. 

Anne received a bachelor’s degree in business administration from Spring Hill College. She is also a PADI open water diver and enjoys scuba diving. 

Connect with Anne on LinkedIn.

Deon Barber

Executive Vice President

Deon leads our sales, recruitment, and training divisions and brings 30 years of staffing industry experience to Jackson + Coker. He is passionate about guiding and mentoring others. Deon’s extensive experience in staffing solutions and developing highly skilled teams is a key driver in our strategic development.

Deon’s family is central to his world and quality time with them is enjoyed to the fullest. He believes in pouring into and serving his community. Deon has devoted two decades of his life to youth ministry, valuing it as an opportunity to make a positive impact on the next generation. He enjoys competing in golf and is a loyal sports fan.

Connect with Deon on LinkedIn.

Dave Booher

Executive Vice President

Dave Booher leads Jackson + Coker’s key recruitment divisions, which are vital to fulfilling our mission to connect providers and communities to transform lives. He has extensive leadership experience and brings creative, forward-thinking ideas to Jackson + Coker. His diverse experience includes roles in finance, operations, and development, and elevates the locums experience. 

Dave graduated from Florida State University with a degree in accounting and finance. He enjoys travel, has visited 42 states and 28 countries, and calls Georgia home. In the fall, Dave doesn’t miss a chance to watch his Seminoles play and loves being a dad to his twin sons. 

Connect with Dave on LinkedIn.

Melissa Campbell

Senior Vice President, Technology + Operations

Melissa brings 20 years of software industry knowledge and operational design skills that allow her to shape strategic direction, business priorities, and innovative solutions. She brings extensive experience in software product development from previous roles with Home Depot, McKesson, and ADP.

Melissa’s passion for innovation has led her to be named to Staffing Industry Analysts’ 2023 Global Power 150 Women in Staffing list. SIA recognizes her for spearheading world-class technology initiatives that have enhanced J+C’s processes, communication and collaboration, and heightened the customer experience for the physicians and healthcare organizations we serve.

She earned a bachelor’s degree in management information systems from the University of Georgia and is also a published children’s book author. Her book Maggie and the Magnifying Glass: Exploring the Seasons was published in 2022. 

Connect with Melissa on LinkedIn.

Matt Hale, CPA

Senior Vice President, Finance + Government

Matt’s focus on business and finance ensures we are strategically positioned within the dynamic locums environment. His teams connect the dots between serving internal and external needs, including clients, physicians, and advanced practitioners. 

He is a respected leader who earned both his bachelor’s in accounting and bachelor’s in finance degrees from the University of West Georgia. He loves football and the Georgia Bulldogs. 

Connect with Matt on LinkedIn.

Maggie Youmans

Senior Vice President, Sales

As Senior Vice President, Maggie oversees several key specialty divisions and adjacent teams. With a demonstrated history of leading teams and developing individuals across the organization, she is dedicated to inspiring, challenging and empowering associates to achieve their personal and professional goals. 

Maggie earned degrees in marketing and management focused on consumer economics from the University of Georgia, Terry College of Business. She enjoys traveling with her husband to visit different bed and breakfasts. Together, they have been able to see the beauty within their own backyard and across the country.

Connect with Maggie on LinkedIn.

Deme Christian

Vice President, People Services

Deme Christian is responsible for leading the People Services team and works collaboratively with senior leadership at Jackson + Coker to support our corporate initiatives. 

As a seasoned Human Resource executive with more than 20 years of progressive experience, Deme shapes and drives human capital strategies. This includes multi-site and multinational organizations undergoing rapid growth, transformation, and restructuring.  

Deme holds a master’s degree in management from Indiana Wesleyan University and a bachelor’s degree in human resources management from the University of Evansville, Indiana. She also earned certifications in strategic HR management, diversity and inclusion, lean manufacturing, and ISO 9000 methodologies.  

Connect with Deme on LinkedIn.

LaKeisha Sisco-Beck

Vice President, General Counsel

LaKeisha is an experienced attorney and healthcare industry insider. She joined Jackson + Coker after serving as in-house legal counsel at St. Jude Children’s Research Hospital and as a private practice attorney specializing in providing legal and risk management support to physicians and healthcare organizations.  

As our General Counsel, she leverages her hands-on knowledge of being a staffing industry clinician and healthcare leader tasked with developing staffing solutions in our dynamic and heavily regulated environment.  

LaKeisha earned certifications in Healthcare Compliance and Healthcare Risk Management. In addition to her law degree, LaKeisha has a master’s in health systems management and a bachelor’s in nursing. She enjoys baking, being crafty, and loves decorating.

Connect with LaKeisha on LinkedIn.

Connect With Us

Federal facts for you.

We are a Federal Supply Schedule Contract holder. 

Federal Supply Schedule (FSS) Contract: 36F79723D0086, Professional and Allied Healthcare Staffing, effective March 15, 2023, through March 14, 2028.

NAICS Codes:
  • 561320: Temporary help services. 
  • 621111: Offices of physicians. 
  • 621112: Offices of physicians, mental health specialists. 
  • 621399: Offices of all other miscellaneous health practitioners. 
  • 621330: Offices of mental health practitioners.


Once you and our client agree to move forward with your assignment, our privileging team will assist you and the client in gathering information required by the healthcare facility to grant clinical privileges.


We contact the facility’s Medical Service Office (MSO) for their application and requirements.


We will assist you by pre-populating the facility’s application and sending to the MSO.


We will assist the MSO by following up on requested items.


MSO will grant privileges based on your training and experience, and you will be able to start your assignment.

Nikole Tillery

Vice President, Sales

Nikole leverages more than 15 years of healthcare expertise while leading four key business areas: Advanced Practice, Neuroscience, Anesthesia + Radiology, and Non-Clinical Services. Her teams connect clients, physicians, and advanced practitioners and empower them to focus on delivering patient-centered care.  

Nikole holds a bachelor’s degree from Valdosta State University and a master’s degree in health care management from Davenport University. She has studied medicine and is passionate about connecting communities with healthcare solutions. She loves tennis and has a flair for culinary arts. 

Connect with Nikole on LinkedIn.