Dr. David C Blea has been a supervisor at Medical City Dallas for 17years and graduated from the University of Southern Colorado with a BS- in BIO/CHEM - 1986. Have received his AAS in Nuclear Medicine - 1987. Became President of the Southwestern Chapter of the SNMMI in 1999-2000. Soon after was elected to the National Council of Delegates for the SNMMI 2006-2009. Became Research Council for the SNMMI 2009-2013. He has 2 abstracts printed the Technologist Journal of Nuclear Medicine. It is most recently working on Lymph node imaging and comparison to the pain, time of localization, SPECT and Planar imaging. He has Completed a roadshow speaking for the SNNMI - 2019. He has presented many poster boards and lectures for the Southwestern Chapter.