These are the enthusiastic and outstanding people who are part of our group.
For people interested in joining our group, visit the page listing the open positions.

Admin executives

Yong Fu Sheng Melvin

YONG Fu Sheng Melvin

Melvin received his Bachelor’s Degree in Materials Engineering from Nanyang Technological University of Singapore in 2015. After graduation, he worked in NTU, CN Yang Scholars Programme Office, where he managed undergraduate research projects and activities.

Currently, he is working as an Executive in the Green IC group to manage research projects and grants, as well as web and media communications.

 Hephzibah SOLOMON

Hephzibah SOLOMON

Hephzibah received her Master’s Degree in Applied Electronics from Dr.MGR Educational and Research Institute University, Chennai, India in 2015. After graduation, she worked in Cognizant Technologies and Tata Groups as an IT Systems Engineer.
Currently, she is working as an Executive in the Green IC group to provide administrative assistance in research projects.

Postdocs and Research Fellows


Viveka received the B.E degree in Electronics and Communication Engineering, from M S Ramaiah Institute of Technology, Bangalore, India in 2005. He completed his M.Tech. and Ph.D. from Indian Institute of Science, Bangalore, India in 2007 and 2016 respectively. 
He worked with Analog Device between 2007 to 2010, developing Blackfin DSPs. He is currently working as a Postdoctoral Research Fellow at Department of Electrical and Computer Engineering, National University of Singapore.
His research interests include custom digital circuit design for ultra low power circuits and accurate on-chip delay generation and measurement for mitigating variability in deep sub-micron technologies. His current research involves design of energy efficient on-chip communication links.
 Longyang Lin  

Longyang LIN

Longyang Lin received his dual Bachelor's Degrees from Shenzhen University and Umeå University in 2011 and Master's Degree from Lund University in 2013. In 2018, he received his PhD from National University of Singapore. He is currently a Postdoctoral Research Fellow at the Department of Electrical and Computer Engineering of the National University of Singapore. His research interests include ultra-low power VLSI circuits, self-powered wireless nodes, widely energy-scalable VLSI circuits and computation-in-memory for machine intelligence.

Orazio AIELLO (Marie Skłodowska-Curie Global Fellow)

Orazio Aiello received the B.Sc. degree (cum laude) in electronic engineering and the M.Sc. degree (cum laude) in microelectronic engineering from the University of Catania, Catania, Italy, in 2005 and 2008, respectively, and the Ph.D. degree from the Politecnico di Torino, Turin, Italy, in 2013.
From 2008 to 2009, he was with the EMC Competence Center, Istituto Superiore Mario Boella, Turin. In 2012, he joined Monash University, Melbourne, VIC, Australia, as a Visiting Ph.D. Student. In 2013, he was part of a joint project with FIAT-Chrysler Automobiles. In 2014, he joined NXP Semiconductors as a Mixed Signal IC Designer and an EMC expert. From 2015 to 2016, he was a Visiting Fellow with the University of Sydney, Sydney, NSW, Australia, and University of New South Wales, Sydney. Since 2015, he has been with the Green IC Group, National University of Singapore, Singapore, where he is currently a Marie Skłodowska-Curie Individual and Global Fellow (MSCA-IF-GF). 
His main research interests include the design for reliability of system basis chip front ends in harsh environments, energy-efficient circuit design, and mostly digital sensor interfaces.
 Karim Ali Ahmed
Karim Ali Abdeltawwab AHMED

Karim received B.S. degree in electronics and communication engineering from Fayoum University, Fayoum, Egypt, in 2010, M.S. degree in electronics engineering from American University in Cairo (AUC), Cairo, Egypt, in 2013 and PhD degree in electrical and computer engineering from National University in Singapore (NUS), in 2019. He was a research assistant at Nile University from 2010 to 2011 and American University in Cairo (AUC) from 2011 to 2012. He was a graduate intern at PC client group (PCCG), Intel Cooperation, Oregon USA from 2012 to 2013. He worked as a teaching assistant at Middle East Technical University North Cyprus Campus (METU - NCC) in 2014. He is currently working as a research fellow at electrical and computer engineering department, NUS. His research interest includes non-volatile memories and logic, computing in memory, low power ADCs, computer-aided design (CAD) for 3D ICs, and field programmable analog arrays IC design.

 Himadri Singh Raghav

Himadri Singh RAGHAV

Himadri Singh Raghav received her BSc and MSc degree in Electronics and MTech in VLSI Design from Banasthali University, Rajasthan, India. She did her PhD, in the Applied DSP and VLSI Research Group at the University of Westminster, London, UK. Her doctoral thesis was focused on Adiabatic Circuits for Power-Constrained Cryptographic Computations. Presently, she is a Research Fellow in Electrical & Communication Engineering Department at the National University of Singapore. Her research interest is in Low power VLSI Design and Energy Efficient implementation of secure Integrated Circuits.
 Joydeep Basu
Joydeep BASU

Joydeep Basu received B.E. degree in Electronics and Tele-communication Engineering from Jadavpur University, India in 2009; and M.Tech. and Ph.D. from Department of Electronics and Electrical Communication Engineering of Indian Institute of Technology Kharagpur, India in 2011 and 2019, respectively. He worked as Analog Engineer at Intel, Bangalore from 2011 to 2014. His Ph.D. research was in the field of analog/mixed-signal integrated circuits encompassing the design of analog front-end for sensor signal acquisition and data converters. He was a Postdoctoral Research Fellow in the School of Electrical and Electronic Engineering at Nanyang Technological University, Singapore during 2019 to 2020, where he worked towards realizing neuromorphic electronic circuits for machine learning. He is currently a Postdoctoral Research Fellow in the Department of Electrical and Computer Engineering of the National University of Singapore, and is involved in the design of mixed-signal circuits for hardware security.

PhD students
  Sachin TANEJA
Sachin Taneja received his B.Tech. in Electronics and Communication Engineering from Bharati vidyapeeth’s College of Engineering (New Delhi) India in the year 2013. He worked at Synopsys India Private Limited for two and half years in the Embedded memories group, where he designed, characterized and optimized the SRAM and read only memory full-custom circuits and architecture for nanometer SoC designs. He is currently working as Research Engineer with the Green IC group at NUS. His research focus includes Low power digital circuit design, energy and area efficient ASIC design to enable ultra-light weight hardware security primitives for IoT systems.
Qiang FANG
FANG QIANG received his Bachelor’s Degree in Electrical Engineering & Automation from Xi’an Jiaotong University in China and Master’ Degree in Electrical & Computer Engineering department from National University of Singapore. He is currently pursuing a PhD degree in the Green IC Group at NUS. His research interest includes machine learning techniques for secure intra-chip communication and counteraction of Power Analysis attacks.

Udari Charitha De Alwis


Udari De Alwis received her Bachelor’s degree in Electronic & Telecommunication Engineering from University of Moratuwa , Sri Lanka in the year 2014. After graduation she served in the position of research engineer in SYNERGEN Technology Labs, a USA based startup from 2014 -2018. There her research work was basically in the area of IoT enabled wearables for physiological parameter analysis. Currently she is working as a Research Engineer in Green IC group and her research focus is on optimizing deep learning algorithms for on-chip and edge machine intelligence.

Japesh VOHRA

Japesh Vohra received his B.Tech. in Electrical Engineering from Indian Institute of Technology Ropar in the 2018. He worked at Samsung Research and Development Institute Delhi for one year as a Software Engineer. He is currently pursuing his PhD degree with the Green IC group at NUS. His research focus includes energy-efficient circuits for real-time systems. He is currently working on designing low-power smart image sensors with in pixel saliency detection. 



Sayan Kumar received his B.Tech. in the year 2012 from West Bengal University of Technology and M.Tech in the year 2014 from IIT Roorkee, India. He worked at Analog Devices and Juniper Networks for 5 years on front-end Digital Design. He is currently pursuing his Ph.D. degree with the Green IC at NUS. His research focus includes energy-efficient circuits for computer vision. He is currently working on Novelty Detection in video frames with few tens of uW power budgets.


Hui Zhang is currently working on designing and developing circuitry-level countermeasures against laser-based physical attack against encryption digital ICs as a Research Engineer at Green IC group. Before joining the group, he was working for two years at FINISAR Corp, Shanghai China, where he developed 100Gbps QSFP28 optical transceiver and AOC products for datacenter applications. Hui is holding double Bachelor Degrees of 1st Class Honor BEng in Electronics and Electronics Science and Technology from University of Liverpool, UK, and Xi’an Jiaotong-Liverpool University, China respectively. Hui also holds MRes Degree in Integrated Photonics and Electronic System from University of Cambridge, UK.

 Udara Kalingage

Udara Samurdhi Harshanga KALINGAGE

Udara received her BTech (Hons) in Electronics and Communication Engineering from the Jawaharlal Nehru Technological University Anantapur and MSc (Hons) in Integrated Circuit Design Engineering from the Hong Kong University of Science and Technology. She is currently working as a Research Engineer with the Green IC group at National University of Singapore. Her research interest is on design of ultra low power circuits and systems for sensing and computing.

Research Engineers

Thoithoi SALAM

Thoithoi Singh Salam is currently working as a Research Engineer with the Green IC group at the National University of Singapore. He received bachelors in Electronics and Communication Engineering from National Institute of Technology, Silchar in the year 2016. He worked as an intern at IIT Delhi in 2014 on 'Multicore Processor'. He also worked on 'Analog FE and DSP for Medical Devices' and 'FPGA Firmware and PCB development for Neutrino Detector' at IIT Delhi(2016) and TIFR Mumbai(2017-18) respectively. His research focuses is on Low-power reconfigurable architectures and Deep Learning Accelerator for IoT systems.

 Prachi Agarwal


Prachi Agarwal received the Bachelor degree in Electronics and Communication Engineering from The LNM Institute of Information Technology, Jaipur in year 2017. Previously, she worked as an intern at SYSU-CMU Joint Institute of Engineering, China in 2016 on 'Plug-in Hybrid Electric Vehicle’. Currently she is working as a Research Engineer with the Green IC group at the National University of Singapore. Her research focuses on Large-Area Skin-Conformable Natural Interfaces in Self-Aligning Polymer Platform.
 Yao Zu Wong 


Yaozu received his Bachelors degree (Hons) in Power Electrical Engineering from Newcastle University, Singapore in year 2015. After graduation, he joined Linear Technology Pte Ltd (later Analog Device Inc Singapore) as Product Engineer for 3 years, working with products such as data conversion, signal conditioning and power management. He is currently pursing a M.Sc. degree in Electrical and Computer Engineering from the National University of Singapore. His research interests in power management integrated circuit design and low power VLSI design.

Masters students
Kalana Laksith De Silva
Kalana Laksith DE SILVA

Kalana De Silva received his B.Sc Eng (Hons) in Electronic and Telecommunication Engineering from the University of Moratuwa, Sri Lanka in 2014. After graduating in 2014, he went on to join as a founding employee of Paraqum Technologies Pvt. Ltd, a Sri Lankan startup company specializing in electronic product development and design services, where he worked for 4.5 years. He worked as a Hardware Architect and later on as the Manager of Product Engineering at Paraqum Technologies, where he led the product engineering team and oversaw the successful release of several Networking products targeted towards the Sri Lankan enterprise and service provider market. He also served as a visiting lecturer at the Department of Electronic and Telecommunication Engineering, University of Moratuwa from 2017 to 2018. He is currently pursuing his M.Sc in Electrical Engineering at the National University of Singapore. His areas of interest include Digital IC design, hardware architectures for reconfigurable computing and multiprocessor architectures.

 Praveenakumar Shivappa Salamani

Praveen Shivappa SALAMANI

Praveenakumar Salamani is currently pursuing Master of Science, specialization in Nanoelectronics at National University of Singapore starting in Jan – 2018. He comes with 6 years of semiconductor industry experience – prior to masters Praveen worked as Lead Layout Engineer at Qualcomm India Pvt. Ltd. and has worked for 5 years in the company on Frequency Synthesizers, VCOs and LNAs for multiple projects on RFWAN Transceivers in Advanced Technology Nodes in sub-6GHz bands. In the year 2012, after his graduation in Bachelor of Engineering in Electronics and Communication Engineering from SDMCET – Dharwad, India, he joined KarMic Design Pvt. Ltd., Manipal as Member of Technical Staff and started his career in mmWave RF/Analog Layout, LED Driver design and integration. Praveen’s research interests include RF/Analog IC Design, Power-Management Integrated Circuit Design, Full-chip integration.

Visiting professors and scientists in past years
- Prof. Dennis Sylvester (July-Aug 2019)
- Prof. Jan Rabaey (periods in 2018-2020)
- Prof. Kaushik Roy (summer 2016, 2017)
- Mario CASU, Politecnico di Torino (2017)
- Prof. Bevan BAAS, University of California Davis (2016)
- Andrea CALIMERA, Politecnico di Torino (2016)

Alumni and past members (PhD, Research Engineers, MSc)
- Benoit D'ARAMON (visiting student from EPFL, 2020)
- Saurabh JAIN (PhD and RF, 2013-2019) - currently at Intel Labs
Jinq Horng TEO (PhD, 2016-2019) - currently at Huawei Singapore
- Ramesh Vaddi (RF, 2018-2019)
Gopalakrishnan SADAGOPAN (RE, 2016-2018)
Ayushi AGARWAL (RE,2018) - currently at IIT
Soumya Shatakshi PANDA (RE,2018)
Amulya PANDEY (MSc in NUS)
- Nishant GUPTA (MSc in NUS)
Snehlata GUTGUTIA (MSc in NUS) - currently with Intel
Priyankar TALUKDAR (RE)
Isha GARG (RE) - currently with Purdue University
(PhD in NUS)
- Anastacia ALVAREZ (PhD in NUS) - currently with the University of the Philippines Diliman
- Santanu SARKAR (RF)
Maryana HERMAWAN (MSc 2013) - currently with Mediatek
- Harish DURAIRAJ (MSc 2014) - currently with Global Foundries
Gopalakrishnan PONNUSAMY (MSc 2014, RE 2015) - currently with Rockwell Automation
Niranjani RAJAGOPAL (RE, 2015)
Preetham KUMAR SELVAKUMAR (MSc, 2016) - currently with Hewlett Packard Enterprise
Cheng Fei PHUNG (MSc, 2016)
Shubham RAI (RE, 2016) - currently with TU Dresden
Aishwarya RAMESH (MSc, 2016)
Allan SHUAI (RE, 2016) - currently with Omnivision (previously with Mediatek)
Deepa SINDHE SIVAJI (RE, 2017) - currently with Broadcom
Prakhar SHARMA (RE, 2017) - currently with NUS
- Enrico Macrelli (RF, 2017) - currently with Politecnico di Torino