Matt is a practicing, board certified radiation oncologist with the Harbin Clinic in Rome, Georgia. 


He received his undergraduate and medical degrees from the University of Virginia and completed his radiation oncology residency at the Bowman Gray School of Medicine. He graduated from the 2002 Associate Fellowship Program in Integrative Medicine at the University of Arizona. Matt served as the Medical Advisor of local and regional cancer initiatives through the Georgia Research Alliance, and is a Past-President of the Georgia Society of Clinical Oncology, the ASCO state society.

In 2002, Matt founded Cancer Navigators Inc., a 501c3 corporation which provides nurse, education and service navigation for those touched by cancer. He continues to facilitate residential retreats and groups for cancer patients and physicians. He edited "Integrative Oncology: Principles and Practice" published by Taylor and Francis in 2006. Matt received the Hamilton Jordan Founders Award in 2007 for involvement in state wide oncology activities and was named a Health Care Hero by Georgia Trend magazine in 2008.

Matt is a member of the editorial board for the Journal of Oncology Practice. He is a member of the Clinical Practice Committee for the American Society of Clinical Oncology. He is a graduate of the inaugural class of the Living School for Action and Contemplation through the Rohr Institute. His research is focused on Integrative Oncology and was supported through grants as a Georgia Research Alliance Cancer Coalition Distinguished Scientist. 

Matt's book, Sustainable Wellness, An Integrative Approach to Transform Your Mind, Body and Spirit, was released in September 2012. He took poetry writing classes under Debra Nystrom while at UVA and has continued to write, and just recently has begun publication of his poems. Dr. Mumber continues to speak to small and large groups nationally. Matt and Laura enjoy raising their three children - JT, Samson and Marcus.

Matt's full CV is available upon request.