Advantage Leadership

Oliver J. Booker, Chief Executive Officer

Oliver "O. J." Booker came to Advantage in Athens as Chief Operating Officer in December 2011 after 25 years of experience in acute care hospital executive management.  A native of Warm Springs and Macon, GA, he holds a BS degree from Mercer University, MS in Biology from Auburn University, and an MBA and MHA from Georgia State University.  A person in long-term recovery, he is also a Certified Addiction Recovery Empowerment Specialist (“CARES”), graduating with the 9th cohort in 2012.  O. J. assumed the CEO position in January, 2014 after the retirement of Cindy Darden, Ph.D.  He is married, has four children, and lives in Madison, GA.


Laurie Wilburn Bailey, Clinical Director

Laurie Wilburn Bailey began her career in 1994 as an intern in one of Advantage’s outpatient clinics. A native of Statham, GA, she holds a BS degree in Psychology and a Master’s of Education Degree in Community Counseling, both from The University of Georgia.  Laurie is credentialed as a Licensed Professional Counselor.  During her tenure here Laurie has served children, adolescent, and adult populations with mental illness and/or addictive disease and has worked in community-based, clinic-based and crisis services.

Laurie is a founding member and past-President of Athens Resource Center for the Homeless; served on the board of Athens Homeless Property Corporation; and is a 2015 graduate of LEAD Athens.  She is a former board member and current sustaining member of Junior League of Athens. Laurie assumed the Clinical Director position in 2007. She is married with one child and resides in Athens, GA.

Janice T. Callaway, PhD, PharmD, Quality Assurance Director

Janice T. Callaway is a graduate of Mercer University School of Pharmacy and Health Sciences (Doctor of Pharmacy) and the University of Georgia (Masters and Doctor of Philosophy in Social Work). She has been associated with Advantage Behavioral Health Systems since 2000 in various capacities. Initially Dr. Callaway was a volunteer and contract clinical consultant to the COPE (Community Outreach, Prevention, and Education) program and the Global Arts and Skills recovery-oriented program. She became employed with the agency in 2003. During her employment, Dr. Callaway has served as the agency Risk Manager, Program Manager for C&A Clinic and School-Based programs, the agency’s Utilization Management and Accreditation Manager for continuous quality improvement, the Director of Medical Services, and currently as the Director of Quality Improvement.


Mike Clement, Director of Information Technology

Mike Clement has been working in the field of Information Technology for over 23 years.  Previously, he has held the position of CEO and Director of IT for Northeast Pharmacies, Inc., in Peshtigo, Wisconsin.  Mike also successfully ran his own business, Goldenfire Technology, which specialized in web design and computer repair.

Mike received a Bachelor of Science degree from the University of Wisconsin, Oshkosh and holds a Comptia A+ Certification. He has been happily married to his wife Renee for over 15 years.  They are members of the First United Methodist Church in Bethlehem, have five active children and reside in Statham, GA.


Justin Dudkiewicz, Director of Human Resources

Justin Dudkiewicz brings nearly 14 years of experience from our sister Community Service Board – Avita Community Partners – where he held the position of Assistant Human Resources Director.  He has a Master’s Degree in Public Administration and has worked on post graduate studies in Organizational Leadership.

In his role as the Human Resources Director, Justin manages various human resource functions including compensation, benefits, recruitment, employee relations, transactions, operations, and training.
Justin resides in Demorest and loves hanging out with his friends and family, but especially with his two dogs Prezlee and Perin. 

Kadesha Evans, Director of Medical Services

Dr. Kadesha Evans joined Advantage as the Director of Medical Services in February after transitioning from the Director of Nursing Position.  Evans will oversee all medical staff and assist with client care issues in our 10 county service region.  Dr. Evans is a graduate of St. Margaret’s School of Nursing in Pittsburgh, PA (RN Diploma), holds a Bachelor’s of Science in Nursing (BSN) from Slippery Rock University, and a Master’s of Science in Nursing Leadership (MSN) and Doctor of Nursing Practice (DNP) from Chatham University in Pittsburgh, PA.

Dr. Evans serves as the Vice President of the Chi Zeta chapter of Sigma Theta Tau International and is one of the founding members of a community organization in Athens, the Inclusive Health Council, geared towards reducing health disparities and creating health equity for our community’s LGBTQ population. She is also the Community Member on the Executive Committee of GLOBES at UGA. Dr. Evans is originally from New Castle, PA and moved to Athens in 2015 where she lives with her partner (wife) and two dogs.

Evan Mills, Director of Business Development

Evan Mills came to Advantage in 2012 to assist with diversifying Advantage's financial porfolio through the pursuit of local, State, and Federal grant opportunities.  Prior to coming to Advantage, Evan worked for Athens-Clarke County government for 10 years administering federal grants to local nonprofit organizations and coordinating the continuum of care for homeless services within this region.  Evan hold two degrees from the University of Georgia, a Bachelor’s degree in Sociology and a Master’s in Social Work. 

Evan is responsible for the initiation and development of grant supported programs as well as the ongoing grant management activities that support program design and evaluation of service delivery outcomes. Evan sits on several local and State nonprofit boards whose missions coincide with the underlying foundation of Advantage's purpose which is to provide support to those most in need.

Tarin Tripp, Director of Intellectual and Developmental Disabilities

Tarin Tripp is the Intellectual and Developmental Disabilities Director for Advantage.  Tarin was born and raised in Kalamazoo, Michigan. She is married, has one daughter and has lived in Georgia since 2001. Tarin earned her Bachelor’s degree from Western Michigan University and started her career in human services working with individuals with intellectual and developmental disabilities. Before accepting this role, she served as Advantage’s Senior Operations Manager, Risk Manager/Issue Resolution Advocate, and South Milledge Clinic Operations Manager. She is very excited about this new role helping Advantage reach new heights in service delivery and outstanding customer service.