Medical Physicist/Medical Device Engineer

GUY YEMBI-GOMA

**** ****** **** • Columbus, OH **227

540-***-**** • ********@*****.***

MEDICAL PHYSICIST / DEVICE SCIENTIST / ENGINEER

Highly analytical and disciplined R&D physicist dedicated to maximizing quality, diagnostic accuracy, and overall effectiveness of treatment with therapeutic and imaging radiotherapy tools.

• Drive leading-edge innovation, leveraging hands-on experience with polytechnic and polyvalent areas, as well as latest optoelectronics, microelectronics, optics, electronics, NMR & NMRI and electrochemistry.

• Add value and creativity to team, maintaining up-to-date on new software, systems, apparatus, and tools.

• Investigate and tackle complex obstacles and challenges, designing innovative and alternative solutions.

• Work equally as effective independently or in group, going above and beyond to surpass expectations.

CORE COMPETENCIES

R&D • Biophysics • Polytechnic & Polyvalent Skills • Device Commissioning & Calibration • QA • Safety

Project Management • Treatment Planning • Data Analysis • Verification Measurements • Problem Solving

Dosimetry • Optoelectronics • Microelectronics • Optics • Electronics • Electrochemistry • Teaching & Training

TECHNICAL SKILLS

External Beam Radiotherapy: Clinical Linear Accelerator, Treatment Planning Systems

Brachytherapy: HDR Brachytherapy (GammaMed Ir-192, LDR (I-125, pd 103) • LDR (Cs-125)

LDR (I-131) Thyroid Ablation Miscellaneous: Gamma Knife (Elekta)

Software: Brachyvision TPS • Variseed TPS • Eclipse TPS • IMPAC Record & Verify • OmniPro • RIT • IVD TBI & TSI Dose Monitoring Devices • Mapcheck to perform IMRT QA • SunNuclear Profiler for Dosimetry & Morning Output Check • ImageJ • Tester One for TCBR • 3D Visualization & Evaluation Tool/C14 • Mandrake Linux • Matlab • Simulink • COMSOL Multiphysics simulation software

PROFESSIONAL EXPERIENCE

BON SECOURS MARYVIEW MEDICAL CENTER / TEAMNETMEDICAL, Portsmouth, VA • 2010 – 2011

Medical Physicist

Performed variety of therapeutic medical clinical tasks with EBRT and brachytherapy, as well as dosimetry and radiation safety. Recorded and verified patients’ course of treatment with IMPAC software. Processed daily machine output. Conducted daily QA, monthly and yearly calibration of Linac, and quarterly calibration of GammaMed HRD. Calibrated dosimetry devices such as Sun Nuclear Profiler 2700 and diodes.

• Participated actively in patients’ treatment planning with Brachyvision and prostate real-time intra-op planning in OR with Variseed TPS for HDR Mammosite, and prostate seeds implants I-125, Pd-103.

• Ensured appropriate and accurate dosages during course of treatment, effectively calibrating dosimetry devices such as Sun Nuclear Profiler 2700 for daily output and diodes.

• Coordinated with management and consultant on renewal of NRC Radioactive Materials License regarding therapeutic portion of application. Experienced and dose calculation with I-131 for thyroid cancer ablation.

• Cultivated hands-on experience with Varian Linac 2100C, Varian Ximatron Simulator, and Varian GammaMed iX HDR Mammosites from imaging, planning with Brachyvision to treatment.

OSU MEDICAL CENTER, Columbus, OH • 2007 – 2010

Junior Medical Physicist

Trained with certified physicists on all clinical aspects of therapeutic radiological medical physics involving EBRT and brachytherapy, as well as dosimetry and radiation safety.

• Developed hands-on experience with Siemens LINACs, Varian GammaMed HDR, Mobatron, Gamma Knife, and Eclipse and Nomos Corvus Treatment Planning Systems.

• Played active role in imaging for MVCBCT Imaging project.

• Acted on independent basis in mechanical and dosimetry portions of monthly QA of linac, as well as GammaMed HDR machine.

ABRASIVE TECHNOLOGY, INC., Lewis Center, OH • 2004 – 2006

Medical Electroplater

Performed industrial coating of medical devices used in dental, nasal, and bone surgery. Participated in plating bath formulation.

GUY YEMBI-GOMA

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********@*****.***

(Medical Electroplater, ABRASIVE TECHNOLOGY, INC., cont.)

• Acquired hands-on experience with DC electrodeposition and Electroless Deposition of Ni and Au metallic thin films for medical applications.

• Mastered Ni, Au micro-electroplating press on substrate including cleaning, masking, activation, nickel strike, plating, binding, and de-masking.

• Learned hands-on electrochemistry such as electro deposition and influencing factors in electrodeposited microstructures; included current dentistry, bath composition, pH, temperature, rectifier, presence of impurities, and physical and chemical nature of substrate surface.

THERMAWAVE, INC., Fremont, CA • 2000 – 2002

Application Engineer & Trainer

Developed and trained application and service engineers on physics, software, and governance of machines and hardware.

• Provided thorough training for field engineers on reflectometry, ellipsometry, and TFMS software usage to measure thin film parameters n, k, and t with Opti-Probe 3000 and Opti-Probe 5000 series; used in fabs for measurement during semiconductor process.

• Trained customers on Opti-Probe 5000 series.

ADDITIONAL EXPERIENCE

OHIO STATE UNIVERSITY, Columbus, OH • 1997 – 2000

Graduate Assistant

• Designed and operated photoluminescence (PL) spectroscopy experiment; involved investigating optical process in GaAS, CdS at room temperature.

• Contributed to lab material characterization experiments such as CL, AES, and SPV, FTIR, and XPS.

• Operated evaporators to perform deposition of metallic thin films, as well as AFM and SEM.

• Analyzed vacuum components using helium leak detector.

• Served as teaching assistant for Physics classes (111, 112, 113), and grader for Physics (633, 533).

• Collaborated closely on presentation of materials with professors and teaching assistant colleagues.

EDUCATION & PROFESSIONAL DEVELOPMENT

Master of Science in Physics

Ohio State University, Columbus, OH

Master’s Project: “Photoluminescence of GaAS and CdS at Room Temperature”

EOBC Diploma

US Army Engineer School, Fort Leonard Wood, MO

Bachelor of Science in Pure Physics

Marien Ngouabi University, Brazzaville, Congo

NRC Authorized Medical Physicist (AMP) – State of Virginia

QA PROJECT, PUBLICATIONS & ABSTRACTS

“Characterization of the CT/MR compatible Ring tandem applicators with GammaMed Ir-192 HDR source.” submitted to Varian Medical System, 2009. Guy Yembi-Goma, MS; Hualin Zhang, PhD

“A Practical Method to Evaluate and Verify Dose Calculation Algorithms in the Treatment Planning System of Radiation Therapy “, Med. Phys.36, 2597, 2009. Lanchun Lu, PhD; Guy Yembi-Goma, MS; Jian Z Wang, PhD; Nilendu Gupta, PhD; Kaile Li, PhD; Hualin Zhang, PhD; Michael Weldon, MS; Zhibin Huang, PhD; Simon S. Lo,MD; Douglas Martin, MD; Nina Mayr, MD.

“Optimization Protocol for using Small Field MV Cone-Bean CT Imaging in Image-Guided Radiation therapy.” Guy Yembi-Goma, MS; Lanchun Lu, PhD ;Jian Z Wang, PhD; Kaile Li, PhD; Hualin Zhang, PhD; Douglas Martin, MD; Nilendu Gupta,PhD, Med. Phys.36,2478, 2009

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