Ajeet Rohatgi received the B.S. (E.E.) degree from Indian Institute of Technology in 1971, the M.S. (Materials Engineering) from Virginia Polytechnic Institute and State University in 1973, and the Ph.D. in Metallurgy and Materials Science from Lehigh University in 1977. He joined the Westinghouse Research and Development Center in Pittsburgh, Pennsylvania in 1977 and became a Westinghouse Fellow while working on the science and technology of photovoltaic and microelectronic devices. Rohatgi joined the ECE faculty at Georgia Tech in 1985 and started a program on photovoltaics, which has become one of the best in the country. He has become an internationally recognized leader in photovoltaics. He is the founding director of the first university-based DOE Center of Excellence in Photovoltaic Research and Education. He is the author of more than 300 publications and holds 10 U.S. patents. Rohatgi has received numerous awards and distinctions from professional societies and Georgia Tech. He is the founder and CTO for Suniva.

Dr. Rodgers is the director of the Georgia Tech Air Quality Laboratory, holding academic and/or research appointments in the Georgia Tech Schools of Civil and Environmental Engineering, Earth and Atmospheric Sciences, and Public Policy. Dr. Rodgers has a long and distinguished record in air quality research, serving as principal investigator on research projects totaling more than $20 million since 1988 including numerous projects on field and laboratory measurements of pollutants and instrument development and intercomparison. Current activities include managing projects GRASP (Georgia Rural Aerosol Sampling Program) and ON-RAMP (On-Road Ammonia Measurement Program) both of which focus on particulate emissions, conversion and fate. In the area of mobile source emissions, he directs Georgia Tech's efforts in vehicle remote sensing and model validation and is Co-Principal Investigator on the development of the MEASURE model. Dr. Rodgers serves on EPA�s Mobile Source Technical Advisory Subcommittee and Emissions Modeling Workgroup, the U.S. Technical Advisory Group to the International Standards Organization, ASTM International�s Committee D-22 on the Analysis of Atmospheres as well a numerous other technical and policy advisory committees.

Research

Modeling and simulation of vehicle activity and emissions, Statistical analysis of vehicle emissions data, Environmental policy analysis, Laboratory and field measurements of gaseous and particulate pollutants including vehicle remote sensing and instrumented vehicles

Rusty Roberts is the Director of the Aerospace, Transportation and Advanced Systems (ATAS) Laboratory at the Georgia Tech Research Institute (GTRI). ATAS develops advanced systems concepts, builds system prototypes, and performs research on technologies related to aerospace, transportation, power and energy, threat systems, and food processing. A nationally recognized expert in test and evaluation, Roberts has held the position of the President of the International Test and Evaluation Association (ITEA). He also started and presently leads a GTRI-wide test and evaluation initiative that brought together the resources to provide Science & Technology support to the Office of the Secretary of Defense Test Resource Management Center. Mr. Roberts has also worked with U.S. government officials to establish key requirements for the testing of U.S. electronic countermeasures against surface-to-air missile threats and has been able to provide solutions developed by GTRI. Solutions included the threat replica of a medium range surface-to-air missile (SAM) acquisition radar for the U.S. Army and the Advanced Airborne Interceptor Simulator (AAIS) for the U.S. Air Force. He also led the efforts that developed the Missle-on-a-Mountain program at the Electronic Combat Range in China Lake, California. This one-of-a-kind simulation facility has been called a key national asset in testing electronic countermeasures against surface-to-air missle systems. The facility is in high demand by the U.S. Navy, U.S. Air Force, and allied air forces. Prior to joining GTRI, Mr. Roberts served as an active duty U.S. Army Signal Corps officer for ten years, with assignments at Fort Gordon, GA and Kaiserslautern, Germany. His last assignment was at the U.S. Military Academy at West Point as an Assistant Professor in the Department of Electrical Engineering teaching Electronic Circuit Design. During his tour at West Point he became the Course Director for the Senior-level, two-semester electronics course for the Department. Mr. Roberts continued to serve in the Army Reserve after leaving Active Duty while at GTRI. Roberts holds a Bachelor of Science degree in Electrical Engineering from West Point, a Master of Science degree in Electrical Engineering from the Georgia Institute of Technology, and a Master of Business Administration degree in Finance from Long Island University.

Gabriel Alfonso Rincón-Mora is Motorola Solutions Foundation Professor, Fellow of the National Academy of Inventors (NAI), Fellow of the American Association for the Advancement of Science (AAAS), Fellow of the Institute of Electrical and Electronics Engineering (IEEE), and Fellow of the Institution of Engineering and Technology (IET) for contributions to power-conditioning and energy-harvesting microchips. He was with Texas Instruments in 1994–2004 and has been with the Georgia Institute of Technology since 1999. He was Visiting Professor at National Cheng Kung University in Taiwan in 2011-2019, Director of the Georgia Tech Analog Consortium in 2001-2004, and Director of the TI Analog Fellowship Program in 2001-2015. His body of work includes 12 books, 8 handbooks, 4 book chapters, 44 patents, over 200 articles, 25 educational videos, over 26 commercial power-chip products released to production, 25 educational videos, educational SPICE code for over 200 analog and power circuits, and over 170 keynote addresses, distinguished lectures, and research seminars.

He was inducted into Georgia Tech's Council of Outstanding Young Engineering Alumni, named one of "The 100 Most Influential Hispanics" by Hispanic Business, included in "List of Notable Venezuelan Americans" in Science, and selected IEEE Distinguished Lecturer. He received the National Hispanic in Technology Award, Charles E. Perry Visionary Award, IEEE Charles A. Desoer Technical Achievement Award, Distinguished Faculty Achievement Award, Three-Year Patent Award, IEEE Joseph M. Biedenbach Outstanding Engineering Educator Award, IEEE Outstanding Educator Award, Orgullo Hispano Award, Hispanic Heritage Award, State of California Commendation Certificate, and IEEE Service Award.

Education

• Ph.D., Electrical Engineering, Georgia Institute of Technology, 1996  
• M.S., Electrical Engineering, Georgia Institute of Technology, 1994
• B.S., Electrical Engineering, Florida International University, 1992 

Research Interests

Professor Rincón-Mora’s research focuses on power-conditioning and energy-harvesting integrated circuits that supply, sustain, and integrate microsystems for portable and embedded applications. He explores, develops, and designs silicon-based microchips that draw power from tiny batteries, fuel cells, magnetically coupled coils, and generators that harness ambient energy from motion, light, temperature, and radiation to energize and power wireless microsensors for biomedical, consumer, and industrial use. His work includes low-power analog and mixed-signal circuits, voltage references and regulators, switching power supplies, battery chargers, and energy-harvesting microsystems.

Teaching Interests

Professor Rincón-Mora’s teaching encompasses core electrical engineering topics, including analog circuits, power electronics, and integrated-circuit design. He is committed to providing students with a strong foundation in circuit analysis and design principles at both undergraduate and graduate levels. His teaching approach emphasizes practical understanding and application, fostering student engagement and preparation for careers in electrical engineering and related fields.

Publications

• Pratyush Manocha, Gabriel A. Rincón‑Mora, Transistor Frequency‑Response Analysis…, Electronics, 2025.
• Tiancheng Zhao, Gabriel A. Rincón‑Mora, Unraveling Negative Feedback Translations…, IEEE TCAS‑II, 2025.
• Linyuan Cui, Gabriel A. Rincón‑Mora, Designing Low‑Loss SL‑MI/O CMOS Power Supplies, IEEE TCAS‑I, 2025.
• Guillaume Guérin, Gabriel A. Rincón‑Mora, Compact Switched‑Inductor Power Supplies…, Electronics, 2024.
• Utsav Vasudevan, Gabriel A. Rincón‑Mora, Digital LDO Analysis…, Electronics, 2024.

W. Jud Ready is the executive director of the Space Research Institute. Prior to this role, he served as associate director of external engagement for the Georgia Tech Institute for Matter and Systems and director of the Georgia Tech Center for Space Technology and Research. He has also been an adjunct professor in the School of Materials Science and Engineering at Georgia Tech and a principal research engineer on the research faculty of Georgia Tech Research Institute (GTRI) for over a dozen years. Prior to joining the Georgia Tech faculty, he worked for a major military contractor (General Dynamics) as well as in small business (MicroCoating Technologies). He has served as PI or co-PI for grants totaling ~$17M awarded by the Army, Navy, Air Force, DARPA, NASA, NSF, NIST, industry, charitable foundations and the States of Georgia and Florida. His current research focuses primarily on energy, aerospace, nanomaterial applications, and electronics reliability.

Devesh Ranjan was named the Eugene C. Gwaltney, Jr. School Chair in the Woodruff School of Mechanical Engineering at Georgia Tech and took over the role on January 1, 2022. He previously served as the Associate Chair for Research, and Ring Family Chair in the Woodruff School. He also holds a courtesy appointment in the Daniel Guggenheim School of Aerospace Engineering and serves as a co-director of the $100M Department of Defense-funded University Consortium for Applied Hypersonics (UCAH). At Georgia Tech, Ranjan has held several leadership positions including chairing ME’s Fluid Mechanics Research Area Group (2017 - 2018), serving as ME’s Associate Chair for Research (2019-present), and as co-chair of the “Hypersonics as a System” task-force, and serving as Interim Vice-President for Interdisciplinary Research (Feb 2021-June 2021). 

Ranjan joined the faculty at Georgia Tech in 2014. Before coming to Georgia Tech, he was a director’s research fellow at Los Alamos National Laboratory (2008) and Morris E. Foster Assistant Professor in the Mechanical Engineering department at Texas A&M University (2009-2014). He earned a bachelor's degree from the NIT-Trichy (India) in 2003, and master's and Ph.D. degrees from the UW-Madison in 2005 and 2007 respectively, all in mechanical engineering. 

Ranjan’s research focuses on the interdisciplinary area of power conversion, complex fluid flows involving shock and hydrodynamic instabilities, and the turbulent mixing of materials in extreme conditions, such as supersonic and hypersonic flows. Ranjan is a Fellow of the American Society of Mechanical Engineers (ASME), and has received numerous awards for his scientific contributions, including the DOE-Early Career Award (first GT recipient), the NSF CAREER Award, and the US AFOSR Young Investigator award. He was also named the J. Erskine Love Jr. Faculty Fellow in 2015. He was invited to participate in the National Academy of Engineering’s 2016 US Frontiers in Engineering Symposium. For his educational efforts and mentorship activity, he has received CATERPILLAR Teaching Excellence Award from College of Engineering at Texas A&M, as well as 2013 TAMU ASME Professor Mentorship Award from TAMU student chapter of the ASME. At Georgia Tech, Ranjan served as a Provost’s Teaching and Learning Fellow (PTLF) from 2018-2020, and was named 2021 Governor’s Teaching Fellow. He was also named Diversity, Equity and Inclusion (DEI) Fellow for 2020-21. 

Ranjan is currently part of a 10-member Technical Screening Committee of the NAE’s COVID-19 Call for Engineering Action taskforce, an initiative to help fight the coronavirus pandemic. He currently serves on the Editorial Board of Shock Waves and was a former Associate Editor for the ASME Journal of Fluids Engineering.

Ramprasad joined the School of Materials Science and Engineering at Georgia Tech in February 2018. Prior to joining Georgia Tech, he was the Centennial Term Professor of Materials Science and Engineering at the University of Connecticut. He joined the University of Connecticut in Fall 2004 after a 6-year stint with Motorola’s R&D laboratories at Tempe, AZ. Ramprasad received his B. Tech. in Metallurgical Engineering at the Indian Institute of Technology, Madras, India, an M.S. degree in Materials Science and Engineering at the Washington State University, and a Ph.D. degree also in Materials Science and Engineering at the University of Illinois, Urbana-Champaign.

Ramprasad’s area of expertise is in the development and utilization of computational and data-driven (machine learning) methods aimed at the design and discovery of new materials. Materials classes under study include polymers, metals and ceramics (mainly dielectrics and catalysts), and application areas include energy production and energy storage. Prof. Ramprasad’s research has been funded by the Office of Naval Research (ONR), the National Science Foundation (NSF), the Department of Energy (DOE), the Army Research Office (ARO), and Toyota Research Institute (TRI). He has lead a ONR-sponsored Multi-disciplinary University Research Initiative (MURI) in the past to accelerate the discovery of polymeric capacitor dielectrics for energy storage, and is presently leading another MURI aimed at the understanding and design of dielectrics tolerant to enormous electric fields.

Ramprasad is a Fellow of the American Physical Society, an elected member of the Connecticut Academy of Science and Engineering, and the recipient of the Alexander von Humboldt Fellowship and the Max Planck Society Fellowship for Distinguished Scientists.

Tarek Rakha is a researcher, educator, and entrepreneur who integrates building design technology and environmental sustainability with the needs of underserved communities. He is Associate Professor of Architecture and Director of the High Performance Building Lab (HPBL) at Georgia Tech, and Co-founder and CEO of Lamarr.AI, a startup that commercializes technology developed through his funded academic research. Tarek is an architect by training, and before joining Georgia Tech in 2019 he was Assistant Professor at Syracuse University, after earning a Ph.D. in Building Technology from MIT in 2015.

Tarek develops novel areas of scholarship focusing on aerial data and robotics for building envelope diagnostics using computer-vision drones, urban energy sensing and computational informatics, as well as heat vulnerability and outdoor thermal comfort modeling at the building and neighborhood scales. His research received support worth over $4M (total project volume ~$7M) from federal agencies such as the US DOE, ARPA-E, and the NSF. His work was also funded by state authorities such as NYSERDA and both NYSDOT and GDOT, philanthropies such as the Sloan Foundation, as well as corporate sponsors including the Coca-Cola Company. He has published his work as author and co-author in more than 70 peer-reviewed journal and conference papers and two have won best paper awards in conferences. He was recently nationally recognized by the Emerging Contributor Award from IBPSA-USA.

As an educator, Tarek connects design, technology, and climate change-centered studios and courses with social justice and the needs of marginalized communities. He was awarded the Georgia Tech Student Recognition of Excellence in Teaching: Class of 1934 Award based on exceptional student evaluation surveys. In 2022, He mentored the DOE’s Solar Decathlon Design Challenge Residential Division Grand Winner team. The team also took home first place in the contest's new Retrofit Housing division. In addition, student groups in his co-taught design studio competed against 400+ submissions in the AIA and ACSA’s 2019 International Design Competition: Here+Now, and won 1st Place and an Honorable Mention (2/6 awards). Furthermore, he coalesces service with his scholarship. He was invited to the Symposium on Simulation for Architecture and Urban Design’s board (SimAUD), and co-edited two conference proceedings as the 2018 General Chair in TU Delft and as the 2019 Program Chair and host of the 10-year anniversary at Georgia Tech.

Visit the High Performance Building Lab

Dr. Farzad Rahnema is a Georgia Power Company Distinguished Professor of Nuclear Engineering and Director of the Computational Reactor and Medical Physics (CRMP) Laboratory at Georgia Institute of Technology. Prior to joining Georgia Tech, he was at General Electric Nuclear Energy for 11 years. His responsibilities included GE’s 3-D Core Simulator PANACEA used for reactor core design and as the engine for the 3D MONICORE system for monitoring operating Boiling Water Reactors. He led the development of 3 versions (v.8-10) of the simulator. He has published over 240 peer reviewed technical articles.

He is a Fellow of the American Nuclear Society (ANS), Editor-Designate of the Nuclear Science and Engineering journal, a member of the Editorial Advisory Board of Annals of Nuclear Energy and Nuclear Technology, and a member of the External Advisory Board of the Ohio State University Nuclear Engineering Program.

He was the recipient of the 2019 ANS Gerald C. Pomraning Memorial Award for outstanding contributions toward the advancement of the fields of mathematics and computation in support of advancing the understanding of these topics of interest to the American Nuclear Society (ANS) membership.

He served as the Chair of the Georgia Tech Nuclear & Radiological Engineering and Medical Physics (NRE/MP) Programs (7/2002-6/2016) and Chair of the Honors and Award Committee of the ANS Mathematics and Computation Division (MCD). He also served as the Chair of the MCD (twice) and the Reactor Physics Division (RPD). His principal research interest is in the areas of theoretical and computational radiation transport and reactor physics with an emphasis on resolving the grand challenges and current major issues in high fidelity modeling and simulation (M&S) of nuclear systems.

Research

• Nuclear and Radiological Engineering/Medical Physics; Perturbation and variational methods, theoretical and computational radiation transport and reactor physics methods and code development with applications to reactor core analysis, nuclear security and detection, and radiotherapy calculations

Distinctions

• Editor, Nuclear Science and Engineering journal
• Editorial Advisory Board member, Annals of Nuclear Energy and Nuclear Technology journals
• Guest Editor/Co-guest Editor, Annals of Nuclear Energy, Nuclear Technology, and Transport Theory and Statistical Physics journals
• American Nuclear Society
• Fellow, 2003
• Mathematics and Computation Division Chair, 2010-2011 and 1999-2000
• Reactor Physic Division Chair, 2007-2008
• Member, External Advisory Board of the Ohio State University Nuclear Engineering Program
• Southeastern Universities Nuclear Research Institute for Science and Education (SUNRISE) Founding Chair, 2006-2010
• 16th International Conference on Transport Theory Organizing Committee Chair, 1999

Awards

• Recipient of the 2019 ANS Gerald C. Pomraning Memorial Award for outstanding contributions toward the advancement of the fields of mathematics and computation in support of advancing the understanding of these topics of interest to the American Nuclear Society (ANS) membership.

Patent

• Boundary Condition Adjustment Methods and Systems, U. S. Patent 7,676,015B2, with Ben Forget, March 9, 2010.
   

Representative Publications

• Kyle Remley and Farzad Rahnema, “Development and Assessment of a Parallel Computing Implementation of the Coarse Mesh Radiation Transport (COMET) Method,”Ann. Nucl. Energy, 114, 288-300 (2018).
• Farzad Rahnema and Dingkang Zhang, “Continuous Energy Coarse Mesh Transport (COMET) Method,” Ann. Nucl. Energy, 115, 601-610 (2018).
• Dingkang Zhang and Farzad Rahnema, “A Stylized 3D Advanced High Temperature Reactor (AHTR) Benchmark Problem,” Ann. Nucl. Energy, 120, 178-185 (2018).
• Dingkang Zhang and Farzad Rahnema, “Continuous-Energy COMET Solution to the Stylized AHTR Benchmark Problem,” Ann. Nucl. Energy, 121 ,284-294 (2018).
• Farzad Rahnema, Xiaodong Sun, Bojan Petrovic, David Diamond, Stephen Bajorek, Yujun Guo, Gradon Yoder, Dingkang Zhang, and Paul Burke, “Phenomena identification and categorization by the required level of multiphysics coupling in FHR modeling and simulation,” Ann. Nucl. Energy, 121, 540-551 (2018).
• Farzad Rahnema, David Diamond, Dumitru Serghiuta, and Paul Burke, “Phenomena, Gaps, and Issues for Neutronics Modeling and Simulation of FHRs,” Ann. Nucl. Energy, 123 ,172-179 (2019).

Elizabeth Qian joined the Daniel Guggenheim School in November 2022. She holds a joint appointment at Georgia Tech as Assistant Professor in the Schools of Aerospace Engineering and Computational Science and Engineering. Her interdisciplinary research develops new computational methods to enable engineering design and decision-making for complex systems. Her specialties are in developing efficient surrogate models through model reduction and scientific machine learning, and in developing multifidelity approaches to accelerate expensive computations in uncertainty quantification, optimization, and control. 

Elizabeth previously held a postdoctoral appointment as von Karman Instructor at Caltech in the Department of Computing + Mathematical Sciences. She has been the recipient of many awards, including a Caltech-wide award for teaching bestowed by the undergraduate student body, the 2020 SIAM Student Paper Prize, the Fannie and John Hertz Foundation Fellowship, and the NSF Graduate Research Fellowship. She is also an alumna of the U.S. Fulbright student program. She earned her PhD, SM, and SB degrees from the MIT Department of Aeronautics & Astronautics.