Bryan headshot

Bryan Murray BS,RT(T), CMD

Chief Medical Dosimetrist

Bryan completed his education at the University of Oklahoma in 1997. He started his career as a radiation therapist and quickly advanced into medical dosimetry. With over 20 years’ experience and a strong clinical knowledge base, Bryan saw that not every facility had the same dosimetry workload.  He created Advanced Dosimetry Solutions to offer skilled, tailored treatment planning depending on the customer’s needs. Bryan is committed to bringing the highest level of treatment planning services through dependable, responsive, and intuitive care.  He is well respected in the radiation oncology community and efficient in many treatment planning systems to include: Phillips Pinnacle, Varian Eclipse, BrainLab, and Varian Brachyvision.

When Bryan is not busy planning patients he enjoys spending time with his three boys or following the sports teams from his beloved Oklahoma Sooners.  BOOMER!


Felicia Fietsam MS, RT(R)(T), CMD

Felicia graduated from Southern Illinois University in 2011 with a Masters Degree in Medical Dosimetry.  She previously received a Bachelors Degree in Radiologic Sciences/Radiation Therapy. Felicia is well experienced with Eclipse, Pinnacle and CMS Xio Treatment Planning Systems and proficient in ARIA EMR.

Felicia and her husband have two young children with whom they spend their free time. She enjoys spending time outside playing with the kids, watching the St. Louis Cardinals play, and boating in the summer.

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Jonathan Taylor MS, CMD

Jonathan Taylor has over 3 years of full time dosimetry planning experience and earned a bachelors degree of science in chemistry from VPI&SU followed by a masters degree in Dosimetry from UWLAX. He is experienced in Eclipse and Pinnacle planning systems, and is proficient in utilizing VMAT, 3DCRT, 3D arc, IGRT, and static gantry IMRT techniques to treat SRT, SBRT, hypofractionated and conventional fractionated plans for the full spectrum of general oncology. Supplemental to his planning system, he commonly utilizes Velocity to deform previous dose and/or imaging, DotDecimal to design and order custom bolus, as well as Aria, RadCalc and MU Check.
When not planning, Jonathan enjoys the outdoors camping, hiking or just spending the day at the lake with his family and three dogs.

Jennifer Davis BS, RT(T), CMD

Jennifer graduated Amarillo College with an Associates degree in Radiation Therapy in 2004. After working as a therapist for 5 years she did on the job training as a Dosimetrist and passed the CMD exam in 2011. She furthered her career and graduated from the University of Oklahoma with a Bachelors degree in Radiologic Sciences in 2017. Jennifer is proficient in Eclipse and Monaco planning software as well as Aria and Mosaiq EMR.

When she is not working she enjoys spending time with her family. Jennifer’s two sons are avid tennis players and her daughter enjoys competitive cheer.


Kristin Martin  BS, RT(T), CMD

Kristin graduated from Hardin Simmons University with a Biology degree. She later went on to finish a degree in Radiation Therapy from UT Southwestern School of Health Professionals. From there, she went directly into dosimetry school at the Mays Cancer Center in San Antonio graduating in 2014. She is proficient in Eclipse V. 13 treatment planning software and has planning experience in Pinnacle TPS Brain Lab, and Velocity for image registration and deformation. She has experience in Aria and Mosaiq EMR.

Kristin enjoys spending time with her husband and daughter. They love spending time outdoors and travelling.


Daniel Trongaard BS, CMD

Daniel Trongaard graduated from the University of Texas at Dallas with a B.S in Biology and a minor in Neuroscience. He recently attended the Mays Cancer Center for dosimetry school, having graduated in 2017 and became a certified medical dosimetrist in early 2018.  Daniel has experience with the Pinnacle and Eclipse treatment planning systems, as well as the Mosaiq and ARIA EMR systems. He also has experience in Velocity registration software, Radcalc, and MUCheck.

When not working, Daniel enjoys catching movies on the weekend and playing sand volleyball whenever the sun is out.


Bob Gainer RT(T), CMD

Bob graduated from Amarillo College with an Associates degree in Radiation Therapy in 1991; he then went on to do on the job training in dosimetry in 1995. Bob has experience with Eclipse, ADAC, and Brainlab treatment planning systems as well as Aria record and verify. He has extensive knowledge of IMRT, Rapid ARC and 3-D treatment planning.

Bob restores player pianos and enjoys camping with his family and riding his motorcycle.


Maria Jamali MS, RT(T), CMD

Maria graduated from the University of Oklahoma with a Bachelors degree in Medical Imaging and Radiation Sciences in 2016, and then continued directly to graduate with her Masters degree in Medical Dosimetry in 2018. Maria is proficient in Monaco, Pinnacle, and Tomotherapy planning softwares as well as Mosiaq and Aria EMR systems.

 Outside of work, Maria enjoys indoor cycling, reading, and traveling with her husband!


Danella Campbell RT(T), CMD

Danella started by earning an Associates Degree in Radiologic Technology in 1995 and then continued her education at the University of Oklahoma and receiving her Bachelors Degree in Radiation Sciences in 1997.  She worked as a radiation therapist for eleven years before training on the job for dosimetry.  Danella passed the CMD boards in 2010.  She is proficient in Pinnacle and Tomotherapy treatment planning systems and Mosaiq.

Outside of work, Danella enjoy spending time with my family and traveling.


Sajad Jamali MS, RT(T), CMD

Sajad graduated from the University of Oklahoma with a Bachelors degree in Medical Imaging and Radiation Sciences in 2016. While working as a radiation therapist, he pursued a Masters degree in Medical Dosimetry and graduated in 2018. Sajad has experience with Eclipse and Pinnacle treatment planning systems, as well as Aria record and verify.

Outside of work, Sajad enjoys keeping up with sports and traveling.


Crystal Bull, MS, RT(R)(T), CMD

Crystal has been a Radiologic Sciences professional for over 20 years with experience across multiple clinical, commercial and educational settings. She began her career in 1997 earning an AAS in Radiologic Technology, BS in Radiation Therapy and BS in Radiologic Sciences (emphasis in CT and MRI) from Arkansas State University. In 2009, Crystal completed her education with a Master’s Degree in Dosimetry from Southern Illinois University – Carbondale. While she is most proficient with the Eclipse Treatment Planning System, Crystal has also planned with Pinnacle, BrachyVision and XiO. Her favorite cases to plan are SBRT and SRS utilizing VMAT but she has planned the full spectrum of oncology cases using 2D, 3D and static IMRT techniques. Other software experience includes ARIA, MOSAIQ, Mobius3D, DoseLab, EZFluence, MU Check and RadCalc. In addition to treatment planning, Crystal has extensive knowledge of Quality Assurance practices within Radiation Oncology.
Outside of work, Crystal can be found watching the St. Louis Cardinals play baseball while hanging out with her hairless cat, Kemo.