#  Team 

 



 ##  

  expand\_more  

 
  

 

##  Faculty 

 



  [### David Brooks

 ](/people/david-brooks) <dbrooks@eecs.harvard.edu>Haley Family Professor of Computer Science

 

 

 Dr. Brooks received his B.S. from University of Southern California in EE in 1997 and his M.A. and Ph.D. in EE from Princeton in 2001. He spent a year at IBM T.J. Watson Research Center in 2001 before joining Harvard in 2002. His research focuses on the... 

 

 

      ![David Brooks : Haley Family Professor of Computer Science](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/david_brooks.jpg?itok=ucXc3g-E) 

 

 

 

   [### Gu-Yeon Wei

 ](/people/gu-yeon-wei) <guyeon@eecs.harvard.edu>Robert and Suzanne Case Professor of Electrical Engineering and Computer Science

 

 

 Dr. Wei received his B.S.E.E., M.S., and Ph.D. in Electrical Engineering from Stanford University in 1994, 1997, and 2001, respectively. In 2000, he joined Accelerant Networks (now a part of Synopsys) in Beaverton, Oregon as a Senior Design Engineer. In... 

 

 

      ![Gu-Yeon Wei : Gordon McKay Professor of Electrical Engineering](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/guyeon_wei-e1402425890841.jpg?itok=iX4xI7DX) 

 

 

 

  

 

 

 

 

##  Staff 

 



  [### Glenn Holloway

 ](/people/glenn-holloway) <holloway@seas.harvard.edu>Research Staff

 

 

 

      ![Glenn Holloway](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/glenn_holloway-e1402500665987.jpg?itok=S6A20Xji) 

 

 

 

   [### Paul Whatmough

 ](/people/paul-whatmough) <pwhatmough@seas.harvard.edu>Research Associate

 

 

 Dr. Whatmough received the B.Eng. (with 1st class Honors) from Lancaster University, the M.Sc. (with distinction) from Bristol University, and the Ph.D. from University College London, all in the U.K. In 2005 he joined Philips/NXP Research Labs, U.K., as... 

 

 

      ![Paul Whatmough](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/pnw_pic.jpg?itok=Qv3UIJAI) 

 

 

 

  

 

 

 

 

##  Postdocs 

 



  [### Alex Hankin

 ](/people/alex-hankin) <ahankin@seas.harvard.edu>Postdoctoral Fellow

 

 

 Dr. Hankin is a Postdoctoral Fellow whose research interests revolve around modeling, analysis, and optimization of next generation computing systems and technologies. He currently works in the areas of embedded non-volatile memories, thermal hotspots... 

 

 

      ![Alexander R. Hankin](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/img-people-hankin.jpeg?itok=CgMe23zr) 

 

 

 

   [### Abdulrahman Mahmoud

 ](/people/abdulrahman-mahmoud) <mahmoud@g.harvard.edu>Postdoctoral Fellow

 

 

 Abdulrahman Mahmoud is a postdoc researcher in computer science at Harvard University, working with Dr. David Brooks and Dr. Gu-Yeon Wei in the Harvard Architecture, Circuits, and Compilers Group. His research interests are broadly in the areas of... 

 

 

      ![Abdulrahman Mahmoud](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/img-people-abdulrahman.jpeg?itok=4NE-iKUY) 

 

 

 

   [### Devashree Tripathy

 ](/people/devashree-tripathy)Postdoctoral Fellow

 

 

 Devashree Tripathy is a Postdoctoral Fellow in Computer Science at Harvard University, working with Dr. David Brooks in Harvard Architecture, Circuits, and Compilers Group. She graduated from University of California, Riverside with PhD in Computer... 

 

 

      ![Devashree Tripathy](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/img-people-devashree.jpeg?itok=cyJACt83) 

 

 

 

   [### Chun-Feng Wu

 ](/people/chun-feng-wu)Postdoctoral Fellow

 

 

 Chun-Feng Wu (吳俊峯) is a postdoctoral scholar in Department of Computer Science, Harvard University from 2021. He received his M.S. and Ph.D. degree in Department of Computer Science from National Tsing Hua University, Hsinchu, Taiwan, in 2016 and in... 

 

 

      ![Chun-Feng Wu (吳俊峯)](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/img-people-wu.jpeg?itok=TniW75iJ) 

 

 

 

   [### Sai Qian Zhang

 ](/people/sai-qian-zhang) <zhangs@g.harvard.edu>Postdoctoral Fellow

 

 

 Sai Qian Zhang recently received his PhD degree of Computer Science at Harvard University. Before coming to Harvard, he received his bachelor's degree and master's degree in Electrical Engineering and Statistics from University of Toronto. His research... 

 

 

      ![Sai Qian Zhang](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/img-people-sai_qian.jpeg?itok=igwvkzdE) 

 

 

 

   [### Jeff Zhang

 ](/people/jeff-zhang)Postdoctoral Fellow

 

 

 Jeff (Jun) Zhang is a Postdoctoral Fellow at Harvard University, working with Prof. David Brooks and Prof. Gu-Yeon Wei. Jeff received his Ph.D. degree from the Electrical and Computer Engineering Department at New York University in 2020, supervised by... 

 

 

      ![Jeff (Jun) Zhang](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/img-people-jun_0.jpeg?itok=lhlTjmvC) 

 

 

 

  

 

 

 

 

##  Current Graduate Students 

 



  [### Matt Adiletta

 ](/people/matt-adiletta)Ph.D candidate

 

 

 

      ![Matt Adiletta](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/img-people-adiletta.jpeg?itok=BMWtRbgQ) 

 

 

 

   [### Bob Adolf

 ](/people/bob-adolf) <rdadolf@seas.harvard.edu>Ph.D. Candidate

 

 

 Bob studies modeling, analysis, and optimization techniques for high-performance software, with a current focus on deep learning. His philosophy is that the combination of statistical methods, code analysis, and domain knowledge leads to better tools for... 

 

 

      ![Bob Adolf](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/bob_adolf.jpg?itok=gbPU0P0C) 

 

 

 

   [### Iulian Brumar

 ](/people/iulian-brumar) <ibrumar@fas.harvard.edu>Ph.D candidate

 

 

 

      ![Iulian Brumar](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/img-people-brumar_1.jpeg?itok=o-vgovzy) 

 

 

 

   [### Yuji Chai

 ](/people/yuji-chai) <yuc927@g.harvard.edu>Ph.D candidate

 

 

 

 person 

 

   [### Simon Chaput

 ](/people/simon-chaput) <schaput@fas.harvard.edu>Ph.D. Candidate

 

 

 Simon received a B.Eng. and M.Sc.A. in Electrical Engineering from Université de Sherbrooke, Canada and worked at Teledyne DALSA. His research interests include analog and mixed-signal design and power electronics. More specifically, he is interested in... 

 

 

      ![Simon Chaput](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/simon_chaput.jpg?itok=QJHF31Wg) 

 

 

 

   [### Nestor Dario Cuevas

 ](/people/nestor-dario-cuevas)Ph.D candidate

 

 

 

      ![Nestor Dario](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/img-people-cuevas.jpeg?itok=4yArXs6g) 

 

 

 

   [### Alicia Golden

 ](/people/alicia-golden)Ph.D Candidate

 

 

 

      ![picture](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/welcome_picture_2.jpeg?itok=H2K-5cOE) 

 

 

 

   [### Udit Gupta

 ](/people/udit-gupta) <ugupta@g.harvard.edu>Ph.D Candidate

 

 

 Udit graduated from Cornell University in May 2016 studying Electrical and Computer Engineering. My research interests include making computer systems and hardware systems easier to build by leveraging cross-layer research methodologies. 

 

 

      ![Udit Gupta](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/udit_gupta.jpg?itok=PdseoGUZ) 

 

 

 

   [### Samuel Hsia

 ](/people/samuel-hsia) <shsia@g.harvard.edu>PhD Student

 

 

 Samuel received his B.S.E. in Electrical Engineering from Princeton University in 2019. His research interests include computer architecture, systems for machine learning, and hardware support for deep recommendation systems. Samuel's publications... 

 

 

      ![Sam Hsia](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/sam_headshot.jpg?itok=4z0BWwMg) 

 

 

 

   [### Thomas (Hsea-Ching) Hsueh

 ](/people/thomas-hsea-ching-hsueh) <hchsuehgm@gmail.com>Lightmatter

 

 

 Thomas received his Bachelors degree in Electrical Engineering from National Taiwan University in 2015. His current research interest includes hardware accelerator, energy-efficient architecture, machine learning and cognitive neuroscience. 

 

 

      ![Thomas (Hsea-Ching) Hsueh](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/thomas_profile_pic.jpg?itok=DZ5qgtvl) 

 

 

 

   [### Yunho Jin

 ](/people/yunho-jin)Ph.D candidate

 

 

 

 person 

 

   [### Yeongil Ko

 ](/people/yeongil-ko) [yeongil\_ko@g.harvard.edu](mailto:yeongil_ko@g.harvard.edu)Change as of June 1, 2022

 

 

 Yeongil received a B.S. in Electrical and Computer Engineering from Seoul National University, South Korea in Feb 2019. His research interests include computer architecture, algorithm-hardware co-design, and hardware accelerators for deep learning and... 

 

 

      ![Yeongil Ko](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/yeongil.png?itok=7fC81O89) 

 

 

 

   [### Siming Ma

 ](/people/siming-ma) <simingma@g.harvard.edu>Ph.D Candidate

 

 

 I'm interested in analog and mixed-signal VLSI design, including memory systems and data converters, etc. I also enjoy arts and sports, such as piano, ballet, swimming and skiing. 

 

 

      ![Siming Ma](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/siming-2-3.jpg?itok=sBmiu3rO) 

 

 

 

   [### Saketh Rama

 ](/people/saketh-rama) <rama@seas.harvard.edu>Ph.D. Student

 

 

 Saketh received his A.B. in Computer Science from Harvard College. His current research focuses on parallel architectures and algorithms for machine learning and artificial intelligence. 

 

 

      ![Saketh Rama](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/sakethrama.jpg?itok=QECc677G) 

 

 

 

   [### Thierry Tambe

 ](/people/thierry-tambe) <ttambe@g.harvard.edu>Ph.D. Student

 

 

 Thierry received his B.S (2010) and M.Eng (2012) in Electrical Engineering from Texas A&amp;M University with a focus on analog/mixed-signal VLSI. He spent five years at Intel designing various circuitries for high-bandwidth memory and peripheral interfaces... 

 

 

      ![Thierry Tambe](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/thierry_tambe.png?itok=fWfzwNJN) 

 

 

 

   [### Mark Wilkening

 ](/people/mark-wilkening) <wilkening@g.harvard.edu>Ph.D. Student

 

 

 I am a Ph.D. student working on hardware-software co-design of systems software. I graduated in 2016 from Northeastern University with a Bachelors in Electrical and Computer Engineering. My past experience has been mostly in computer architecture and... 

 

 

      ![Mark Wilkening](/sites/g/files/omnuum11281/files/styles/hwp_4_5__690x865/public/vlsiarch/files/dsc_8815.jpeg?itok=txaqrNPU) 

 

 

 

  

 

 

 

 

##  Group Alums 

[**Marco Donato**](/people/)**,** Ph.D. 2022  
Tufts University

[**Thomas (Hsea-Ching) Hsueh**](/people/), Ph.D. 2022  
Lightmatter

[**Tianyu Jia**](/people/)**,** Ph.D. 2022  
Peking University

[**Glenn Ko**](https://people.seas.harvard.edu/~gko/)**,** Ph.D. 2022  
Start up

[**Lillian Pentecost**](https://lpentecost.github.io/cv/)**,** Ph.D. 2022  
*“Enabling Emerging, Heterogeneous Memory Systems”*  
Assistant Professor, Amherst College

[**Emma Wang**](https://yuemmawang.github.io/)**,** Ph.D. 2019  
*“Performance analysis for Machine Learning Applications”*  
Software Engineer, Google

[**En-Yu (Daniel) Yang**](/people/), Ph.D. 2022  
Google Taiwan

[**Yuan Yao**](/people/), Ph.D. 2022  
Nvidia

[**Georgios Zacharopoulos**](https://www.inf.usi.ch/phd/zacharopoulos/), Ph.D. 2022  
Research Institute in Switzerland

[**Brandon Reagen**](http://brandonreagen.com/), Ph.D. 2018  
*“On the Design and Optimization of Specialized Hardware with Applications in Deep Learning”*  
Research Scientist, Facebook

[**Sam Xi**](http://www.samxi.org/)**,** Ph.D. 2018  
*“Advancing System-Level Analysis and Design of Specialized Architectures”*  
Software Engineer, Google

**Svilen Kanev**, Ph.D. 2016  
*“*[*Efficiency in warehouse-scale computers: a datacenter tax study*](/file_url/492)*”*  
Software Engineer, Google.

**Sae Kyu Lee**, Ph.D. 2016  
*“*[*High Efficiency Power Delivery for Chip Multiprocessors Using Voltage Stacking*](/file_url/493)*”*  
Postdoctoral Fellow, Harvard

**Hyunkwang Lee**, M.S. 2016

**Mario Lok**, Ph.D. 2016  
*“Power Electronics Design for an Insect Scale, Flapping Wing Robot Using High Voltage Integrated Circuits”*  
Hardware Engineer, Apple

**Yakun Sophia Shao**, Ph.D. 2016  
*“Design and Modeling of Specialized Architectures”*  
Research Scientist, NVIDIA

**Kevin Brownell**, Ph.D. 2015  
*“Architectural Implications of Automatic Parallelization with HELIX-RC”*  
Software Engineer, Google.

**Tao Tong**, Ph.D. 2015  
*“Improving SoC power delivery with fully integrated voltage regulators”*

**Michael Lyons**, Ph.D. 2013.  
*“Toward a hardware accelerated future”*  
Software Engineer, Dropbox.

**Wonyoung Kim**, Ph.D. 2013  
*“Reducing power loss, cost and complexity of soc power delivery using integrated 3-level voltage regulators”*  
Founder and CEO, Lion Semiconductor.

**Michael Karpelson**, Ph.D. 2012.  
*“Power electronics design for a flapping-wing robotic insect”*

**Judson Porter**, M.S. 2012  
Software Engineer, Google Inc.

**Krishna Rangan**, Ph.D. 2011  
*“Hardware-based thread scheduling for power-efficient and variation-resilient chip multiprocessors”*  
Intel Corporation.

**Ankur Agrawal**, Ph.D. 2010  
*“Design of high speed I/O interfaces for high performance microprocessors”*  
Research Staff, IBM Research

**Vijay Janapa Reddi**, Ph.D. 2010.  
*“Software-assisted hardware reliability: Using runtime feedback from hardware and software to enable aggressive timing speculation”*  
Professor, Harvard University (formerly University of Texas, Austin)

**Meeta Gupta**, Ph.D. 2009.  
*“Variation-aware processor architectures with aggressive operating margins”*  
Researcher, IBM India Research Labs

**Mark Hempstead**, Ph.D. 2009.  
*“Accelerator-based architectures for wireless sensor network applications”*  
Professor, Tufts University (formerly Drexel University)

**Benjamin Lee**, Ph.D. 2008.  
*“Statistical inference for efficient microarchitectural analysis”*  
Professor, University of Pennsylvania (formerly Duke University)

**Xiaoyao Liang**, Ph.D. 2008.  
*“From uncertainty to opportunity: Joint architecture and circuit resilience to mitigate the impact of process variations”*  
Professor, Shanghai Jiaotong University

**Yong-Cheol Bae**  
Samsung Electronics

**Ruwan Ratnayake**, P.D. 20xx  
""  
Marvell

**Hayun Chung**, Ph.D. 20xx  
*""*  
Professor, Korea University

**Amber Tan**, Ph.D. 20xx  
*""*  
InPHI.