Joshua Coon
Adjunct Professor at Salt Lake Community College (Seeking Career Opportunities)
*******@*****.***
Summary
Contact: jjc16_1(at)yahoo(dot)com
I recently graduated with a PhD in Physics from the University of Utah. Since graduation, I have been actively
employed as a professor at several local colleges and universities.
I am looking for a full time career opportunity, either in industry or academia. I have extensive experience with
modeling, numerical methods, optimization, algorithms, code development, finite difference methods, and
Matlab coding.
Academically, I have taught several classes as a professor at local colleges and universities. These include basic
physics classes and math classes ranging from basic Algebra to advanced Calculus and Ordinary Differential
Equations. I have also actively mentored students and participated in several community service projects.
I am available immediately for hire, and I am a citizen of the United States of America.
Experience
Item Writer at American Institutes for Research
February 2013 - Present (5 months)
I worked part-time as a Physics item writer for AIR. My job duties included writing, fact checking, and
editing physics test questions for a high profile national exam.
Adjunct Professor at Salt Lake Community College
May 2012 - Present (1 year 2 months)
As an adjunct professor in the math department at Salt Lake Community College, I taught Calculus I and II,
Business Algebra, and College Algebra. These courses are designed to give students a basic foundation in
mathematics. For some students, these will be the only math classes they take. For other students, these will
be the first steps in a deeper math education. Because of this diversity in the students that take my class, I had
to tailor my materials to be both deep and accessible to students for whom this was their terminal class.
My teaching duties included preparing exams, quizzes, lectures,PowerPoint presentations, answering
questions, organizing and attending study sessions, and supervising student learning. I found this work highly
rewarding, as I have with previous teaching opportunities.
Adjunct Professor at University of Utah
May 2012 - August 2012 (4 months)
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As an adjunct professor at the University of Utah, I taught a single section of College Algebra (Math 1010).
This class is designed to give students that have little or no formal exposure to mathematics basic
foundational math skills. My duties for this position included developing lectures, creating and grading
exams, and answering student questions. I found the opportunity to help remedial students in math to be
highly satisfying.
Adjunct Professor at Utah Valley University
January 2012 - July 2012 (7 months)
As a professor at Utah Valley University, I taught two sections of Physical Science 1000 from January to
May of 2012, and I currently teach an accelerated section of the same class. This is a basic class that
introduces students to a basic knowledge of Physics, Chemistry, Geology, and Astronomy. Perhaps the most
challenging aspect of this job for me was finding a way to adapt interesting scientific material to a level
where it would be accessible to a student with little or no knowledge of the subject. My work was highly
rewarding, and I received several glowing reviews from the students in my class.
Graduate Assistant at Utah Center for Advanced Imaging Research
July 2007 - February 2012 (4 years 8 months)
I worked on treatment time reduction for cancer treatments with High Intensity Focused Ultrasound through
treatment simulation and optimization implemented on a high performance computing system with extensive
Matlab programming involved. I also helped design and attended several experiments where HIFU data was
gathered from in vivo and phantom models using a 3.0 Tesla MRI and phased array transducer, which
included simulation data and phantom data matching.
Teaching Assistant at University of Utah
August 2005 - July 2007 (2 years)
• Led discussion sections for all Physics classes in main undergraduate sequence up through quantum
mechanics. This includes Laboratory Classes, Classical Mechanics (Calculus and Algebra based), Electricity
and Magnetism (Calculus and Algebra based), and Quantum Mechanics. Six semesters of experience total.
• Developed deep understanding of basic physics, mathematics, and the application of physics to the real
world from teaching and preparing lectures
• Learned how to lead a classroom, interact effectively with students, and resolve disputes
Volunteer Experience
Judge at Salt Lake Valley Science and Engineering Fair
March 2013 - Present (4 months)
I volunteered as a judge at the science fair. I found that this was a great opportunity to interact with and
encourage many young and aspiring scientists.
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Publications
Treatment Time Reduction Through Parameter Optimization in Magnetic Resonance Guided High
Intensity Focused Ultrasound Treatments
University of Utah December 2012
Authors: Joshua Coon
This is my doctoral dissertation, written as part of the requirement to receive a PhD in Physics from the
University of Utah.
HIFU Treatment Time Reduction through Focal Zone Path Selection in Superficial Tumors
International Journal of Hyperthermia August 17, 2011
Authors: Joshua Coon, Allison Payne, Robert Roemer
Purpose: This study evaluates the hypothesis that optimising the path of a high intensity focused ultrasound
(HIFU) treatment's N focal zone heating pulses can significantly reduce treatment time, and identifies the
underlying bio-thermal principles.
Materials and methods: Thirty-one scanning paths were investigated using 3D simulations, with a minimum
thermal dose delivered to every tumour position. Treatment time was calculated as the sum of the N,
individually optimised heating and cooling periods. Tumours were superficial (skin to tumour distance
ranging from 1.3 to 2.5 cm), but always deep enough so that the pre-tumour normal tissue was routinely
heated to its constraint temperature (range: 42#45 C). Properties were uniform and constant, and a range of
blood perfusion and phased array powers were studied.
Results: The best paths significantly reduced treatment times, with the largest gains occurring when (1)
temperature superposition inside the tumour was maximised by successively heating the focal zone positions
located in a ‘stack’ along the transducer's axis, and (2) the focal zone was moved laterally to an optimised
location and another stack was applied. Stacking takes advantage of the focal zone's elongated shape, which
produces axial temperature superposition within the tumour. Reduced tumour heating times also reduced
energy deposition in the normal tissues, thus reducing or eliminating the need for inter-pulse cooling.
Conclusions: HIFU treatment times can be significantly reduced by taking advantage of axial temperature
superposition in tumours. Further reductions are obtained by correct choice of the transverse scan path
HIFU treatment time reduction through heating approach optimisation
International Journal of Hyperthermia November 2012
Authors: Joshua Coon, Nick Todd, Robert Roemer
Purpose: This study evaluated the HIFU treatment time reductions attainable for several scan paths when
optimising the heating approach used (single, discrete pulses versus volumetric scanning) and the paths’ focal
zone heating locations’; number (NFZL), spacings, sequencing order, number of heating cycles (NCYCLES),
and heating times. Also evaluated were the effects of focal zone size, increased tissue absorptivity due to
heating, and optimisation technique.
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Materials and methods: Treatments of homogeneous constant property tumours were simulated for several
simple generic tumour shapes and sizes. The concentrated heating approach (which delivered the desired
thermal dose to each location in one discrete heating pulse (NCYCLES = 1)) was compared to the fractionated
heating approach (which dosed the tumour using multiple, shorter pulses repeatedly scanned around the
heating path (i.e. ‘volumetric scanning’ with NCYCLES > 1)). Treatment times were minimised using both
simultaneous, collective pulse optimisation (which used full a priori knowledge of the interacting effects of
all pulses) and sequential, single pulse optimisation (which used only the information from previous pulses
and cooling of the current pulse).
Results: Optimised concentrated heating always had shorter treatment times than optimised fractionated
heating, and concentrated heating resulted in less normal tissue heating. When large, rapid tissue absorptivity
changes were present (doubled or quadrupled immediately after heating) the optimal ordering of the scan
path's sequence of focal zone locations changed.
Conclusions: Concentrated heating yields significant treatment time reductions and less normal tissue heating
when compared to all fractionated scanning approaches, e.g. volumetric scanning.
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Projects
HIFU treatment time reduction in superficial tumors through focal zone path selection
July 2007 to May 2010
Members:Joshua Coon, Robert Roemer, Allison Payne
Purpose: This study evaluates the hypothesis that optimising the path of a high intensity focused ultrasound
(HIFU) treatment's N focal zone heating pulses can significantly reduce treatment time, and identifies the
underlying bio-thermal principles.
Materials and methods: Thirty-one scanning paths were investigated using 3D simulations, with a minimum
thermal dose delivered to every tumour position. Treatment time was calculated as the sum of the N,
individually optimised heating and cooling periods. Tumours were superficial (skin to tumour distance
ranging from 1.3 to 2.5 cm), but always deep enough so that the pre-tumour normal tissue was routinely
heated to its constraint temperature (range: 42#45 C). Properties were uniform and constant, and a range of
blood perfusion and phased array powers were studied.
Results: The best paths significantly reduced treatment times, with the largest gains occurring when (1)
temperature superposition inside the tumour was maximised by successively heating the focal zone positions
located in a ‘stack’ along the transducer's axis, and (2) the focal zone was moved laterally to an optimised
location and another stack was applied. Stacking takes advantage of the focal zone's elongated shape, which
produces axial temperature superposition within the tumour. Reduced tumour heating times also reduced
energy deposition in the normal tissues, thus reducing or eliminating the need for inter-pulse cooling.
Conclusions: HIFU treatment times can be significantly reduced by taking advantage of axial temperature
superposition in tumours. Further reductions are obtained by correct choice of the transverse scan path.
Languages
Spanish
Skills & Expertise
Matlab
Physics
Optimization
Data Analysis
Teaching
Research
C++
Statistics
Microsoft Office
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PowerPoint
Excel
Writing
Word
Programming
Java
C
HTML
Linux
Photoshop
Problem Solving
Medical Devices
Mentoring
Mathematical Modeling
R&D
Python
Engineering
Biotechnology
Algorithms
Higher Education
Data Mining
Analysis
Public Speaking
Product Development
Education
University of Utah
Master's degree, Physics, 2005 - 2012
University of Utah
Doctor of Philosophy (Ph.D.), Physics, 2005 - 2011
University of Utah
B.S, Physics, 1999 - 2005
University of Utah
B.S, Mathematics, 1999 - 2005
Honors and Awards
National Merit Scholar, 1999
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Joshua Coon
Adjunct Professor at Salt Lake Community College (Seeking Career Opportunities)
*******@*****.***
Contact Joshua on LinkedIn
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