Our Team
National expertise. Regional accountability. One coordinated medical physics and radiation safety team.
EXECUTIVE LEADERSHIP
Phillip W Patton, PhD, DABR, CHP, DABSNM, RSO
President
Patton@LBTRad.com | 702-336-3004
Joseph Howley, MS, DABR
Vice President
Howley@LBTRad.com | 352-874-1385
REGION 1 — LAS VEGAS
Jeremy Mangum, MS, DABMP, DABSNM, RSO
Senior / Regional Director
JMangum@LBTRad.com
Robert O'Brien, PhD, DABMP, RSO, MRSE, MRSO (MRSC™)
Senior Physicist
ROBrien@LBTRad.com
Ian Alirez, BSRT (N), RSO
Medical Health Physicist Assistant
Alirez@LBTRad.com
REGION 2 — SOUTHEAST
Ngara Knock, MS, DABR
Regional Director
Ngara@LBTRad.com
Lauren Neldner, MS, MRSE (MRSCTM™)
Medical Physicist
Lauren@LBTRad.com
Kristan Marshall, MS
Medical Physicist
KMarshall@LBTRad.com
Laura Dinwiddie, PhD
Medical Physicist
LauraD@LBTRad.com
Justin Yu, MS, MRSE (MRSCTM™)
Medical Physicist
JYu@LBTRad.com
REGION 3 — SOUTHWEST
Shawn Rios, MS, RSO
Regional Director
ShawnR@LBTRad.com
Stephen Reed, MS
Diagnostic Physicist
SReed@LBTRad.com
REGION 4 — NORTHEAST
Jay Yoder, MS, DABR, RSO
Regional Director
JYoder@LBTRad.com
Gregg Miller, MS, DABR, RSO
Senior Medical Physicist
GMiller@LBTRad.com
Yaduo Yu, MS, DABR
Senior Medical Physicist
YYu@LBTRad.com
Andy Madore, MS
Medical Physicist
AMadore@LBTRad.com
Heena Patel, MS
Medical Physicist
HPatel@LBTRad.com
Sarah Mills, MS
Medical Physicist
SMills@LBTRad.com
REGION 5 — NORTHWEST
Rob Etnire, PhD, CHP, RSO
Regional Director
REtnire@LBTRad.com
David Maldonado, MS, RSO
Diagnostic Medical Physicist
DavidM@LBTRad.com
REGION 6 — MIDWEST
Joseph Howley, MS, DABR
Vice President / Regional Director
Howley@LBTRad.com | 352-874-1385
