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Roger T. Howe

Roger T. Howe is the William E. Ayer Professor in the Department of Electrical Engineering at Stanford University, as well as the Faculty Director of the Stanford Nanofabrication Facility. He earned a B.S. degree in physics from Harvey Mudd College, Claremont, California and an M.S. and Ph.D. in electrical engineering from the University of California, Berkeley in 1981 and 1984. After faculty positions at Carnegie-Mellon University in 1984-1985 and the Massachusetts Institute of Technology from 1985-1987, he returned to Berkeley where he was a Professor until 2005.

His research interests include micro electromechanical system (MEMS) design, micro/nanomachining processes, and self-assembly processes. A major focus of his research from the early 1980s until recently was technologies for integrated microsystems, which incorporate both silicon integrated circuits and micromechanical structrures. Recently, his research has shifted to nano electromechanical systems (NEMS), for applications ranging from chemical sensors to relays and logic devices. Prof. Howe has made contributions to the design of MEMS accelerometers, gyroscopes, electrostatic actuators, and microresonators. He was elected an IEEE Fellow in 1996, was co-recipient of the 1998 IEEE Cledo Brunetti Award, was elected to the U.S. National Academy of Engineering in 2005. In 2015, he was co-recipient of the inaugural IEEE Electron Devices Society Robert Bosch Micro and Nano Electromechanical Systems Award for his contributions to MEMS processes, devices, and systems and the 2015 IEEE Electron Devices Society Education Award. He was a co-founder of Silicon Clocks, Inc., a start-up company that commercialized poly-SiGe integrated MEMS-on-CMOS for timing applications, which was acquired by Silicon Laboratories, Inc., in April 2010. In December 2015, he co-founded ProbiusDX based on research in his group on label-free biomolecular sensing platforms.

In December 2009, he became the Faculty Director of the Stanford Nanofabrication Facility. From 2011 - 2015, he was the Director of the National Nanotechnology Infrastructure Network (NNIN).

Consulting Professor

Leslie A. Field

Dr. Leslie Field is the Founder and Managing Member of SmallTech Consulting, LLC. Much of her current and recent work involves invention and development of MEMS devices and systems for medical applications.

She also serves as a Consulting Professor in Electrical Engineering at Stanford University, where she teaches a graduate-level seminar course in "Engineering and Climate Change", and she founded and runs Ice911 Research Corporation, an environmental non-profit.

Dr. Field worked in MEMS R&D at Hewlett-Packard Laboratories/Agilent Laboratories and during her decade there played a key role in starting HP Labs' Micromechanics group, while also working on a variety of MEMS projects and devices.

Her earlier work at Chevron Research Company resulted in improved commercial catalytic refining methods for high-octane blend-stocks and aromatics production.

Leslie earned PhD and MS degrees in Electrical Engineering from UC Berkeley's Sensor & Actuator Center, and MS and BS degrees in Chemical Engineering from MIT. She has 42 issued US patents, 17 pending patent applications and 19 technical publications. She serves on professional technical and awards committees and does volunteer work in education.

Research Associates

Chaitanya Gupta

Dr. Chaitanya Gupta (PhD, Chemical Eng. UIUC, 2009; MSc, Physics UIUC, 2009; MSc, Chemical Eng. UIUC, 2007; B.Tech, Chemical Eng. IIT-Delhi, 2001)
My research interest is designing and engineering devices at the meso-scale, where quantum and classical phenomena co-exist. These devices exhibit characteristics that can be leveraged for new applications, as well as for improving the performance of existing sensors. The specific research goal is to engineer a platform that mimics the function of the olfactory receptor that is responsible for the sense of smell. Though our understanding of how the sense of smell works is still incomplete, recent theoretical and experimental evidence indicates that the olfactory receptor protein function not a traditional lock-and-key mechanism, but rather mimics a nanoscale MIM structure. Tunneling currents in MIM structures at low temperatures contain information on the molecular bonds in the insulator molecule. By suppressing noise at the sense electrode using voltage feedback, vibrational spectra of analyte molecules have been measured at room temperature in a nano electrochemical system. This project has many facets, including sensor design and fabrication, sample preparation, and signal acquisition and interpretation.


PhD Students

Jose Padovani

Jose I. Padovani (josep at
Jose received his BS in EE from University of Puerto Rico Mayaguez (2008), and an MS in EE from Stanford (2011). He is currently pursuing a PhD in EE advised by Prof. Roger Howe and in collaboration with the Stanford Genome Technology Center. His research focuses on the use of electromagnetic actuation in microfluidic devices for single-cell characterization and sorting.

Hongyuan Yuan

Hongyuan Yuan (hyyuan36 at
Hongyuan received his BS (2011) in Applied Physics from University of Science and Technology of China (USTC). He is pursuing a PhD in Physics at Stanford University co-advised by Prof. Roger Howe and Prof. Piero Pianetta, with focus on the development of thermionic emission converter (TEC). His research interests include 2D materials, surface science and nano/micro devices in general. He is a member of the Stanford table tennis team.

Lina Yeping Qiu

Lina Yeping Qiu (linayqiu at
Lina received her B.Eng with honors in Electrical Engineering from McGill University (2013). She is currently pursuing a PhD in EE advised by Prof. Roger Howe. Her research interests are on quantum bio-molecular sensor and molecular electronics in general, including physical and electronic properties of metal-insulator-metal (MIM) interface at molecular junction and their applications.

Charmaine Chia

Charmaine Chia (chiajtcy at
Charmaine received her M.Eng with honors in Electrical Engineering from the University of Cambridge in 2013. She spent a year working at Singapore's Institute for Materials Research and Engineering before embarking on her PhD at Stanford. Charmaine is currently working on the quantum bio-molecular sensor project under the guidance of Prof. Howe. Her interests lie in understanding and applying physical phenomena at the nanoscale to devices that interface with biological systems. Outside of research, she enjoys bike rides, learning about history, and music.

Nandita Bhaskhar

Nandita Bhaskhar (nanbhas at
Nandita is a graduate student at Stanford, working towards her MS and PhD in the Electrical Engineering Department. She received her B.Tech in Electronics Engineering with honours from the Indian Institute of Information Technology (IIIT), India in 2014. Nandita is currently working on Thermionic Energy Conversion, advised by Prof. Roger Howe. She is interested in micro electro-mechanical systems, sensors, circuits and system applications. Outside of research, her curiosity lies in a wide gamut of things including but not restricted to travelling, creative writing, music, getting lost, hiking and exploring new things.

Master and Bachelor Students

Miles Bennett

Miles Bennett (milesb1 at
Miles is currently pursuing both a BS in Electrical Engineering (expected 2015) and an MS in Electrical Engineering (expected 2016) both from Stanford University. His current research includes developing analog circuits for quantum bio-molecular sensors and studying the effects of magnetic fields on the electrochemical charge transfer process. Miles is a member of the Stanford squash team.

Eric Davey

Eric Davey (edavey at
Eric will be receiving his BS in Chemical Engineering in June 2015 and is currently pursuing a MS also in Chemical Engineering (expected in June 2016). He is part of the quantum bio-molecular sensor project and is currently investigating electrochemical charge transfer amplification and suppression via external magnetic fields.

High School Interns

Kevin Wang

Kevin Wang (kevinw16 at
Kevin is a junior at The Harker School. He is very interested in the physics and computer science subjects and is wanting to pursue them in college. Kevin is currently working with Ms. Kim Harrison on her research project, particularly focusing on testing the functionality of nanoelectromechanical switches based on Ms. Harrison's designs. He is also an enthusiastic sports fan, enjoys singing and volunteer work, and loves to travel.


Hannah Lin (lhannah at
Hannah is a homeschooled junior in high school. She loves math and science and is interested in engineering, computer science, and biology. She is currently involved in Prof. Roger Howe’s research project on quantum bio-molecular sensors. Outside of school, Hannah enjoys playing piano and ping pong.

Former Postdocs, Research Associates, and and Visiting Professors

Andrei M. Shkel, 1997 – 1999.
Dept. of Mechanical and Aerospace Engineering, University of California, Irvine

Sherif Sedky, 2002
American University in Cairo, Egypt
Founding Provost, Zewail University, 6th October City, Giza, Egypt

Emmanuel P. Quévy, 2002 – 2005.
Silicon Laboratories, Inc., Sunnyvale, California

David Elata, 2006 – 2008.
Dept. of Mechanical Engineering, Technion, Haifa, Israel

Jun-Bo Yoon, 2008 – 2009.
Dept. of Electrical Engineering, KAIST, Daejon, Korea

Ashwin A. Seshia, 2008 – 2009.
Dept. of Engineering, Cambridge University

J Provine, 2006 - 2011
Senior Research Associate, Dept. of Electrical Engineering, Stanford

Kentaro Iwami, 2011 - 2012
Tokyo University of Agriculture and Technology, Tokyo, Japan

Igor Bargatin, 2009 - 2012
University of Pennsylvania, Dept. of Mechanical Engineering and Applied Mechanics

Mohammad Shavezipur, 2011 - 2012
Ohio State University, Dept. of Food, Agricultural, and Biological Engineering

Yasser Anis, 2014.
Dept. of Mechanical Engineering, Cairo University, Egypt

Shuai Chang, 2012 - 2015.
Rovaa, Inc., Santa Monica, California

Justin Snapp, 2012-2015.

Tao Wu, 2014- 2015.
Northeastern University, Dept. of Electrical and Computer Engineering

Former Students

William C. Tang, Ph.D. 1990, (EECS)
Univ. of California, Irvine, Dept. of Bioengineering

Weijie Yun, Ph.D. 1992, (EECS)
Telegent Systems, Sunnyvale, Calif.

Gary K. Fedder, Ph.D. 1994, (EECS)
Carnegie-Mellon University, Dept. of Electrical and Computer Engineering

Michael W. Judy, Ph.D. 1994, (EECS)
Analog Devices, Cambridge, Mass.

Clark T.-C. Nguyen, Ph.D. 1994, (EECS)
University of California, Berkeley, Dept. of EECS

Michael B. Cohn, Ph.D. 1997, (EECS)
MicroAssembly Technologies, Richmond, Calif.

Christopher G. Keller, Ph.D. 1998 (Materials Science and Engineering)
MEMS Precision Instruments, El Cerrito, Calif.

Willam A. Clark, Ph.D. 1998, (EECS)
Analog Devices, Cambridge, Mass.

Lilac Muller, Ph.D. 2000 (Mechanical Engineering, joint with Prof. Albert P. Pisano)
Cardiac Science Corp., Bothell, Washington

Andrea E. Franke, Ph.D. 2000 (EECS, joint with Prof. Tsu-Jae King Liu) Deceased.

Dubravka Bilic, Ph.D. 2001 (EECS)
Freescale Semiconductor, Tempe, Arizona.

John M. Heck, Ph.D. 2001 (Applied Science & Tech., joint with Prof. Tsu-Jae King Liu)
Intel Corp., Santa Clara, California

Uthara Srinivasan, Ph.D. 2001 (Chemical Engineering)
Paci?c Ecoinformatics and Energy & Resources Group, University of California, Berkeley

Ashwin A. Seshia, Ph.D. 2002, (EECS)
University of Cambridge, Dept. of Engineering

Moorthi Palaniapan, Ph.D. 2002, (EECS)
National Univ. of Singapore, Dept. of ECE

Elliot E. Hui, Ph.D. 2002, (EECS)
University of California, Irvine, Dept. of Bioengineering

Michel M. Maharbiz, Ph.D. 2003 (EECS, joint with Prof. Jay D. Keasling, Chemical Eng.)
University of California, Berkeley, Dept. of EECS

Karen C. Lemay (Scott), Ph.D. 2003, (EECS)
Intel Corp., Hillsboro, Oregon

Sunil A. Bhave, Ph.D. 2004, (EECS)
Cornell University, Dept. of ECE

Di Gao, Ph.D. 2004 (Chemical Engineering, joint with Prof. Roya Maboudian)
University of Pittsburgh, Dept. of Chemical and Petroleum Engineering

Brian L. Bircumshaw, Ph.D. 2005 (Mechanical Engineering, joint with Prof. Albert P. Pisano)
BRC Consultants, San Francisco Bay Area, California

Jingchun Zhang, Ph.D. 2006, (Chemical Engineering, joint with Prof. Roya Maboudian)
Applied Materials, Santa Clara, California

Carrie W. Low, Ph.D. 2006, (EECS, joint with Prof. Tsu-Jae King Liu)
Silicon Laboratories, Inc., Sunnyvale, California

Frank J. Zendejas, Ph.D. 2007, (EECS)
Sandia National Laboratories, Livermore, California

Christopher S. Roper, Ph.D. 2007, (Chemical Engineering, joint with Prof. Roya Maboudian)
HRL Laboratories, Malibu, California

Noel Arellano, Ph.D. 2008, (EECS, joint with Prof. Roya Maboudian)
IBM Almaden Research Laboratory, San Jose, California

Rishi Kant, Ph.D. 2009, (Electrical Engineering)
McKinsey & Company, San Francisco, California

Maryam Ziaie-Moayyed, Ph.D. 2009, (Electrical Engineering)
Integrated Device Technology, San Jose, California

Katherine (Tsai) Candler, Ph.D. 2010, (Electrical Engineering)
Visiting Professor, Harvey Mudd College, Claremont, California

Anthony F. Flannery, Jr., Ph.D. 2011 (Electrical Eng., co-advised with Prof. Gregory Kovacs)
mCube, Inc., San Jose, California

J. Raja Jain, Ph.D. 2011, (Electrical Engineering)
Khosla Ventures, Menlo Park, California

Roozbeh Parsa, Ph.D. 2011, (Electrical Engineering)
Texas Instruments, Santa Clara, California

Jeng-Wen Peter Chen, Ph.D. 2012, (Electrical Engineering)
Sandisk, Milpitas, California

Robert Hennessey, Ph.D. 2012, (Electrical Engineering)
InvenSense, Inc., Sunnyvale, California

Justin P. Snapp, Ph.D. 2012, (Electrical Engineering)
Postdoc, Electrical Engineering, Stanford University

W. Scott Lee, Ph.D. 2013, (Electrical Engineering)
Apple, Cupertino, California

Jae H. Lee, Ph.D. 2013, (Electrical Engineering)
Stratio Technology, Palo Alto, California

Shane Crippen, Ph.D. 2013, (Electrical Engineering)
U.S. Air Force Academy, Dept. of Electrical and Computer Engineering

Sharon Chou, Ph.D. 2014 (Electrical Engineering)
FirstFuel Software, Lexington, Massachusetts

Sam Emaminejad, Ph.D. 2014 (Electrical Engineering)
Postdoc, University of California, Berkeley and Stanford School of Medicine

Ford Rylander, M.S. 2014 (Electrical Engineering)
Synaptics, San Jose, California

Blair Huffman, M.S. 2015 (Electrical Engineering)
Microsoft Research

Chu-En Chang, Ph.D. 2015 (Electrical Engineering, co-advised with Prof. Aaron Roodman, Physics/SLAC)
SLAC National Accelerator Laboratory, TID AIR Sensors Group, Menlo Park, California

Kimberly Harrison, Ph.D. 2015 (Mechanical Engineering)
KiteLight, Inc., San Francisco Bay Area, California