President & Nuclear Medical Physicist
Certification: DABR

Anca Mirela Iliescu, M.S., Physics, DABR

Ken joined DTC in July 2002. He held various radiology technologist positions with increasing management responsibilities leading to a leadership role as a radiology director. He served

as a radiology director for more than 20 years in Toledo, OH (Riverside Hospital and the Medical College of Ohio [now the University of Toledo Health Science Center]); in Memphis, TN (LeBonheur Children’s Medical Center); and in Kansas City, MO (Children’s Mercy Hospital). 

Besides the usual management and fiscal responsibilities in these positions, he had major responsibility for planning department renovations, expansions, and entire new hospital and outpatient Radiology departments. He was the contact person between architects, engineers, and equipment vendors, and had major input into design and equipment procurement.

At DTC, Ken utilizes his experience and expertise by providing our medical physicists assistance with clinical questions and interaction with technical personnel. He also assists the health physicist with coordinating the acquisition of information needed for shielding designs. Since mid-2013, he manages various operational tasks relative to the business side of DTC.


Phone: 913.236.6000

Email

Nuclear Medical Physicist
Certification: DABR

Chuck joined DTC as a medical physicist in July 2015.  Previous to that, he was a Medical Physics resident at the University of Oklahoma Health Sciences Center in Oklahoma City, OK from July 2013 to July 2015. Before that, he was a Graduate Assistant while enrolled in the Medical Physics program at the University of Oklahoma Health Sciences Center from August, 2011 to June, 2013.


He provides Diagnostic Medical Physics services for imaging programs which includes radiography, fluoroscopy, ultrasound, MRI, and CT.


Chuck’s credentials include an M.S. in Medical Physics from the University of Oklahoma Health Sciences Center in Oklahoma City, OK. He successfully completed ABR Part II in 2016, and is preparing to take Part III in 2017. He is MQSA certified, and is also on the list of “Qualified Experts in Radiation Safety” for the State of Missouri.


Phone: 913.236.6000

Email

Vice President

Operations Manager

Senior Diagnostic Medical Physicist
Certification: DABR

Diagnostic Medical Physicist

Ruth joined DTC in July 2006.  Previously, she worked at the University of Kansas Medical Center for  28 years where she served as the Radiation Safety Officer for 25 years and Director of the Safety Program for 22 years.


She serves as the Radiation Safety Officer for DTC. She had served as the Radiation Safety Officer for a local facility of an international medical research company and for several other healthcare facilities including a major academic hospital until January 2016. She provides radiation shielding design services and on-site shielding integrity verification working closely with architects, contractors, and engineers, not only in Kansas, Missouri, and Florida, but throughout the country including military bases and VA facilities.


Ruth’s credentials include a B.A. in Physics. She completed coursework for a Ph.D. in Radiation Biophysics at the University of Kansas. Ruth is on the list of “Qualified Experts in Radiation Safety” for the State of Missouri.


Phone: 913.236.6000

Email

RUTH S. SCHUKMAN-DAKOTAS, B.A., physics

Ken Billmaier, B.A., Psychology

Jiping joined DTC in January 2013. Previously, he served as a Senior Programmer in the Department of Radiology, the Miller School of Medicine, University of Miami, and as a Support Scientist in the Division of Cancer Immunology and Tumor Immunotherapy at the City of Hope National Medical Center.


He provides Diagnostic Medical Physics services in Nuclear Medicine.


Jiping’s credentials include an M.S. and Ph.D. in Chemical Physics from the Dalian Institute of Chemical Physics in China, and Postdoctoral Fellowship in Medical Physics Imaging from the University of Texas MD Anderson Cancer Center.  He is American Board of Radiology certified and a Qualified Expert in Radiation Safety for the State of Missouri.


Phone: 913.236.6000

Email

Audrey Wegst, Ph.D., Physics, DABR

Greg Wegst, M.A., Philosophy

Jiping Zhan, Ph.D., Chemical Physics, DABR

Health Physicist
Radiation Safety Officer

Charles Hill, M.S., Medical Physics 

Greg joined DTC in June 1994. He brings almost 30 years of educational experience to DTC as a teacher and adjunct professor at a local university. He assisted Dr. Wegst in developing an 80-hour course for physicians who wish to use I-131 in the treatment of thyroid disease. Working through the American Association of Clinical Endocrinologists, they expanded this course into a full board certification program for physicians in Nuclear Endocrinology obtaining the Nuclear Regulatory Commission's recognition as a sub-specialty board.


He serves as the Nuclear Medicine Coordinator and assists our Nuclear Medical Physicists in the provision of Nuclear Medical Physics services. As Vice-President of DTC, he assists Dr. Wegst

in the day-to-day business activities associated with running the DTC business enterprise.


Phone: 913.236.6000

Email

​​Audrey founded DTC in 1987.  Previously, she served as a clinical and research medical physicist in Nuclear Medicine for the University of Kansas Medical Center.  In addition, she worked and consulted with the International Atomic Energy Association for 13 years to establish Nuclear Medicine programs around the world including many countries in Africa, South America, and Asia.   Until recently, she served on the American Board of Radiology oral exam committee in Nuclear Medicine.

She provides Diagnostic Medical Physics services in Nuclear Medicine.  She is actively involved with the American College of Radiology as an image reviewer.

Audrey’s credentials include a Ph.D. in physics, ABR Board Certification in Nuclear Medicine Physics, and State of Florida License in Nuclear Medicine Physics.


Phone: 913.236.6000

Email

Mirela joined DTC in December 1993. She provides Diagnostic Medical Physics services for imaging programs which include radiography, fluoroscopy, ultrasound, mammography, MRI, and CT.

Mirela’s credentials include:  an M.S. in Physics.  She is American Board of Radiology certified and MQSA certified.   She has State of Florida Licenses in Nuclear Medicine and Radiology Physics and

is a Qualified Expert in Radiation Safety for the State of Missouri.


Phone: 913.236.6000

Email