Mojtaba Zarei

Career Profile

Lead Regional CT Clinical Scientist at GE Healthcare with a Ph.D. in Electrical and Computer Engineering. I specialize in translating clinical challenges into advanced AI/ML and hybrid AI-Operations Research solutions. My expertise spans digital twin simulations, reinforcement learning, and patient flow optimization. I am driven by a passion for innovation and solving complex healthcare problems through interdisciplinary research.

Experience

Lead CT Clinical Scientist
GE HealthCare Dec 2023–Present
Manage collaborations with healthcare institutions to evaluate scanners and AWS software. Lead evaluation projects, secure funding, and ensure outcomes align with clinical standards. Developed Graph Neural Network recommender systems to identify high-value collaboration sites. Managed large-scale datasets to validate AI-powered operational solutions.

Technologies Used: Python, Docker, GNN, PyTorch

Lead Researcher
Duke University Aug 2018–Dec 2023
Principal Investigator for virtual imaging trials improving diagnostic accuracy and operational efficiency. Developed patient-dependent ML optimization frameworks using digital twins, achieving a 4-fold increase in image quality. Designed physics-informed Deep Neural Networks for image harmonization, reducing variability by 20%. Created stochastic model checking algorithms for formal verification of learning-enabled systems.

Technologies Used: Physics-informed DNNs, RL, Optimization, PyTorch, MATLAB, Digital Twins

Lead Researcher
University of Tehran Sep 2014–May 2017
Led R&D for virtual dentistry, telerobotics, and motion planning. Developed a haptic assistant controller for remote operation of autonomous mobile robots. Established a novel control standard to assess oscillatory characteristics of complex systems. Created geometric-based motion planning algorithms for real-time collision avoidance.

Technologies Used: ROS, Gazebo, C++, Haptics, Control Theory

Board of Directors Member
Tiva Mechatronic Aria Jan 2012–Sep 2017
Startup founder and board member. Provided strategic direction and built engineering teams to develop automated devices for heavy-duty applications, including an automatic welding machine for stone cutting saws.

Technologies Used: CAD, Control Theory

Publications

Mojtaba Zarei, Saman Sotoudeh-Paima, Ehsan Abadi, Ehsan Samei
Medical Imaging 2022, Physics of Medical Imaging
Cindy McCabe, Mojtaba Zarei, W Paul Segars, Ehsan Samei, Ehsan Abadi
Medical Imaging 2022, Computer-Aided Diagnosis
Yu Wang, Mojtaba Zarei, Borzoo Bonakdarpoor, Miroslav Pajic
ACM/IEEE ICCPS 2021
Mojtaba Zarei, Ehsan Abadi, W Paul Segars, Taylor Richards, Ehsan Samei
Medical Imaging 2021, Physics of Medical Imaging
Mojtaba Zarei, Ehsan Abadi, Rafael Fricks, W Paul Segars, Ehsan Samei
Medical Imaging 2021, Physics of Medical Imaging
Mojtaba Zarei, Yu Wang, Miroslav Pajic
HSCC 2020
Yu Wang, Mojtaba Zarei, Borzoo Bonakdarpour, Miroslav Pajic
ACM Transactions on Embedded Computing Systems (TECS)
Mojtaba Zarei, Ahmad Kalhor, Mehdi Tale Masouleh
Proc. IMechE Part C: Journal of Mechanical Engineering Science
Mojtaba Zarei, Ahmad Kalhor, Mohammad Rastegar
International Journal of Electrical Power & Energy Systems
Nima Karbasizadeh, Mojtaba Zarei, Ali Aflakian, Mehdi Tale Masouleh, Ahmad Kalhor
Mechatronics

Volunteering

President/Vice-President/Treasurer
Graduate Student Association of Iranians at Duke 2019–2022
Organized 60+ cultural and community events; created a supportive space for Iranian students to share concerns, accomplishments, and feedback.
Co-founder/Board member
Literature and Cultural Center, NST Department, University of Tehran 2016–2017