People

Professor

Euisik Yoon

Electrical Engineering and Computer Science Dept.
2406 EECS Bldg., 1301 Beal Avenue
Ann Arbor, MI 48109-2122
Phone: (734) 615-4469
Fax: (734)763-9324
Email: esyoon@umich.edu

Euisik Yoon received the B.S. and M.S. degrees in electronics engineering from Seoul National University in 1982 and 1984, respectively, and the Ph.D. degree in electrical engineering from the University of Michigan, Ann Arbor, in 1990. From 1990 to 1994 he worked for the National Semiconductor Corp. in Santa Clara, CA, where he engaged in researching deep sub-micron CMOS integration and advanced gate dielectrics. From 1994 to 1996 he was a Member of the Technical Staff at Silicon Graphics Inc. in Mountain View, CA, where he worked on the design of the MIPS microprocessor R4300i and the RCP 3-D graphic coprocessor. He took faculty positions in the Department of Electrical Engineering at Korea Advanced Institute of Science and Technology (KAIST) in Daejon, Korea (1996-2005) and in the Department of Electrical and Computer Engineering at the University of Minnesota, Minneapolis, MN (2005-2008), respectively. During the academic year of 2000-2001, he was a Visiting Faculty at Agilent Laboratory, Palo Alto, CA. In 2008, he joined the Department of Electrical Engineering and Computer Science at the University of Michigan, Ann Arbor, MI, where he is a Professor and the Director of Lurie Nanofabrication Facility and the Director of NSF International Program for the Advancement of Neurotechnology (IPAN). His research interests are in MEMS, integrated microsystems, and VLSI circuit design.
Dr. Yoon has served on various Technical Program Committees including the Microprocesses and Nanotechnology Conference (1998), the International Sensor Conference (2001), the IEEE Asia-Pacific Conference on Advanced System Integrated Circuits (2001-2002), the International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers) (2003, 2005), the IEEE International Electron Device Meeting (2006-2008) and the IEEE International Conference on Micro Electro Mechanical Systems (2006, 2009-2010). He also served on the IEEE International Solid-State Circuit Conference program committee (2003-2007) and was a general chair of International Symposium on Bio Micro & Nanosystems (2005).

[personal webpage]

Research Scientists

John Seymour

[faculty website]
John Seymour is research faculty in EECS and a lead investigator on several neurotechnology projects in the Yoon Lab. His research aims to generate next-generation bioelectronic devices by realizing biomimetic neural interfaces and novel system integration. He earned his B.S. in Engineering Physics from Ohio State University, and his M.S. (2004) and Ph.D (2009) in Biomedical Engineering here at the University of Michigan. He worked at NeuroNexus, a neurotechnology firm, for 4 years prior to coming back to academia. His research interests are in brain and organ mapping tools by employing MEMS, electrophysiological sensors, implantable medical devices, optical stimulation tools, better EMI design, and advanced packaging. He is a co-PI on several projects and has led several successful SBIR grants as the lead PI around long-term tissue response and high-density optoelectrodes. Currently he has 9 issued patents.
Office: #2227 EECS
e-mail: seymourj@umich.edu
phone: 734-647-3984

Yu-Chih Chen

Yu-Chih Chen received his dual bachelor degrees in Electrical Engineering and Law from the National Taiwan University, Taipei in 2008, his Ph.D. degree in Electrical & Computer Engineering at the University of Michigan, Ann Arbor in 2014. He is currently a research faculty in both ECE and Cancer Center of the University of Michigan, Ann Arbor. Yu-Chih was a recipient of the TSMC Outstanding Student Research Award (2008) and Best Post-Doctoral Speaker Award in Microfluidics in Biomedical Sciences Training Program (2015). He also has served as a Session Chair of Microfluidics at the Engineering Graduate Symposium, the University of Michigan (2012). His current research focuses on microfluidic high-throughput single-cell assays and next generation sequencing, enabling the discovery of novel genes and pathways in cancer development and metastasis.
Office: #2117 EECS
e-mail: yuchchen@umich.edu

Post-Doctoral Researchers

Sung-Yun Park

Sung-Yun Park received his B.S. in Electrical Engineering from the Pusan National Univerisity (Busan, South Korea) in 2005, his M.S. in Electrical Engineering from the Korean Advanced Institute of Science and Technology (Daejeon, South Korea) in 2008, and his M.Eng. in Electrical and Computer Engineering from the Cornell University (Ithaca, U.S.) in 2011. He has recently received a Ph.D. degree in Electrical Engineering from University of Michigan, while working in the Yoon Lab. From 2009 to 2010, he was a mixed signal IC designer at the Fairchild Semiconductor, Buchoen, South Korea. Having previously worked with photonic device research during his B.S. and M.S. studies, Sung-Yun is currently interested in mixed signal IC design. His current focus is on low power, low noise mixed signal processing IC and power management IC design for biomedical systems.
Office: #2421 EECS
e-mail: sungyun@umich.edu

Mihaly (Misi) Voroslakos

Mihaly Voroslakos received his M.D. from Faculty of Medicine, University of Szeged, Hungary, in 2012. He has experience with in vivo neurophysiology techniques. He is testing the advanced neural probes which are developed in the Yoon's laboratory and performing neuroscience experiments.
Office: #2416 EECS
e-mail: mvoeroes@umich.edu

Research Engineer

Saman Parizi

Saman Parizi recieved his B.S. (2006) in Materials Engineering from Isfahan University of Technology (Isfahan, Iran), and his M. S. degrees in Materials Engineering (2009) and Electrical Engineering (2011) from University of Tehran (Tehran, Iran) and University of Alabama in Huntsville, respectively. In 2016, he graduated with PhD in Materials Science from Central Michigan University. He is currently a Research Engineer in ECE (Yoon Group) and working on several projects including multi-functional neural probes and electrical stimulation for bladder dysfunction.
Office: #2416 EECS
e-mail: parizi@umich.edu

Graduate Students

Riley Brien

Riley Brien received his B.S. and M.S. degrees in Electrical Engineering from Iowa State University, Ames, IA in 2014 and 2015, respectively. He is currently pursuing a Ph.D in Electrical Engineering at the University of Michigan, Ann Arbor. His research interests include microfluidic single cell analysis devices to study phenotypic and genotypic cellular heterogeneity.
Office: #2421 EECS
e-mail: rjbrien@umich.edu

Yu-Heng Cheng

Yu-Heng Cheng is currently a Ph.D. candidate in the Department of Electrical Engineering and Computer Science at the University of Michigan, Ann Arbor. He received his B.S. in Electrical Engineering from National Taiwan University in 2011. His research interests focus on developing microfluidic chips for biomedical applications. He has been developing high-throughput single cell analysis chips using microfabrication to monitor different cellular activities, including protease expression, cell division, and cell viability.
Office: #2421 EECS
e-mail: yhcheng@umich.edu

Dimitri James

Dimitri received a B.S. degree in Electrical Engineering from Purdue University in 2017 and is now pursuing a Ph.D in Electrical Engineering at the University of Michigan. His interests include neural interface and mixed signal IC design.
Office:
e-mail: djms@umich.edu

Kanghwan (Khan) Kim

Khan received his B. E. in Electrical Engineering from The Cooper Union, New York, NY, in 2013. He is now pursuing a Ph. D. degree in Electrical Engineering at the University of Michigan. He is interested in developing tools that can enable breakthrough in neuroscience research, including multi-functional neural probes for optogenetics study and recording and stimulation system for real-time closed-loop neuroscience experiments in freely moving animals.
Office: #2421 EECS
e-mail: khankim@umich.edu

Kyu-Seok Lee

Kyu-Seok Lee received B.S. degrees in Electrical Engineering from Yonsei University in 2005. From 2005 to 2012, he was working for SK hynix to design DRAM and a CMOS image sensor. Currently, he is pursuing a Ph.D. in Electrical Engineering at the University of Michigan, and his current research interests are a CMOS image sensor and mixed-signal circuits.
Office: #2421 EECS
e-mail: eekslee@umich.edu

Woncheol Lee

Woncheol Lee received his B.S. and M.S. degrees in Electrical Engineering from Seoul National University (Seoul, South Korea) in 2015 and 2017, respectively. He is currently pursuing a Ph.D. in Electrical Engineering at the University of Michigan, Ann Arbor. His research interests include microfluidic single cell analysis devices and next-generation sequencing.
Office: #2421 EECS
e-mail: woncheol@umich.edu

Yu-Ju Lin

Yu-Ju finished her B. S. and M. S. degree in Electrical Engineering at National Taiwan University (Taipei, Taiwan) in 2009 and 2012 repectively. From 2011 to 2012, Yu-Ju interned at Alcatel-Lucent Bell labs, New Jersy. She is currently pursuing a Ph.D in Electrical Engineering at the University of Michigan, Ann Arbor. Her research interests include neural interface circuits and low power RF transceivers.
Office: #2421 EECS
e-mail: yujulin@umich.edu

Adam Mendrela

Adam finished his B. S. degree in Electrical and Computer Engineering at Cornell University in 2012. Before coming to Michigan, he worked with space systems and RF ICs. Currently, he is pursuing a Ph.D. in Electrical Engineering at the University of Michigan, and his research interests include neural interfacing circuits, mixed-signal circuits (data converters), and brain-machine interfaces.
Office: #2421 EECS
e-mail: mendrela@umich.edu

Kyunghwan Na

Kyounghwan Na received a B.S. degree in Mechanical Engineering from Seoul National University (Seoul, Korea) in 2005, and a M.S. degree in Electrical Engineering from Seoul National University in 2007. From 2007 to 2011, he had worked for Korea Institute of Science and Technology. Currently, he is pursuing a Ph.D. in Electrical Engineering at the University of Michigan, and his research area is silicon based microfabricated neural probe.
Office: #2421 EECS
e-mail: khna@umich.edu

Hyunsoo Song

Hyunsoo Song received his B.S. and M.S. degrees in Electrical Engineering at the Seoul National University (Seoul, South Korea) in 2010 and 2012, respectively. Until 2016, he had worked at Pixelplus (Suwon-si, South Korea) to design CMOS image sensor pixels. Currently, he is pursuing a Ph.D. in Electrical Engineering at the University of Michigan, focusing on mixed-signal circuit designs. His current interests include CMOS image sensors and low-noise, energy-efficient sensor interfaces.
Office: #2421 EECS
E-mail: hyunsoos@umich.edu

Yuting Wu

Yuting Wu received her B.S. in Microelectronics at Peking University, China in 2017. She is
now pursuing a Ph.D. in Mechanical Engineering at the University of Michigan. She is
interested in creating effective tools for biomedical applications, and her current research is
focused on neural probe and optogenetics.
Office: #2421 EECS
e-mail: wuyt@umich.edu

Dongxiao Yan

Dongxiao finished his B.S. in Microelectronics at Peking University, China, 2015. He is currently pursuing a Ph.D. in Electrical & Computer Engineering at the University of Michigan. His research interests include implantable MEMS, neural probe and soft and stretchable electronics. He is committed to exploring innovative microsystem solutions for biomedical scientific questions or application.
Office: #2421 EECS
E-mail: yando@umich.edu

Zhixiong Zhang

Zhixiong Zhang received his B.S. in Department of Microelectronics and Nanoelectronics from Tsinghua University, China in 2013. He is currently pursuing a PhD in Electrical Engineering at the University of Michigan. Zhixiong has previously worked on Dual Mode operation of ECL Sensor and ECL Sensor Self-Referencing. His research interest includes single cell analysis devices and high throughput microfluidic systems.
Office: #2421 EECS
e-mail: zhangzx@umich.edu

Past Doctoral Students

Student

Year

Thesis Title

Employer

Komal Kampasi
(U. of Michigan)

2017

Implantable Low-Noise Fiberless Optoelectrodes for Optogenetic Control of Distinct Neural Populations

Lawrence Livermore National Laboratory

Jihyun Cho
(U. of Michigan)

2016

CMOS Sensors for Time-Resolved Active Imaging

Apple

Sung-Yun Park
(U. of Michigan)

2016

Area- and Energy-Efficient Modular Circuit Architecture for Parallel Neural Recording Microsystems

University of Michigan

Patrick Ingram
(U. of Michigan)

2014

Single Cells to Spheres: Microfluidic Assays for Characterization of Cancer Stem-like Cells

University of Wisconsin-Madison

Fan Wu
(U. of Michigan)

2014

Implantable Neural Probes for Electrical Recording and Optical Stimulation of Cellular Level Neural Circuitry in Behaving Animals

Diagnostic Biochips, Inc.
(SB Microsystems)

Yu-Chih Chen
(U. of Michigan)

2014

Comprehensive Single Cell Microfluidic Chips for the Study of Cancer Heterogeneity and Metastasis

University of Michigan

Seok Jun Park
(U. of Michigan)

2013

Bio-Inspired Optic Flow Sensors for Artificial Compound Eyes

Apple

Sun-Il Chang
(U. of Michigan)

2012

Nano-Watt Modular Integrated Circuits for Wireless Neural Interface

Apple

Khaled M. Alashmouny
(U. of Michigan)

2012

Analog Front-End Circuits for Massive Parallel 3-D Neural Microsystems

Apple

Xia Lou
(U. of Michigan)

2012

A High-throughput Microfluidic Platform for Profiling Photosensitizer Efficacy in Cancer Therapeutic Applications

Ford

Jaehyuk Choi
(U. of Michigan)

2009

An Energy-efficient Adaptive CMOS Image Sensor

Sungkyunkwan University

Young-Ji Kim
(U. of Minnesota)

2009

Development Of Multi-Purpose Microfluidic Platform For Single-Cell And Pairwise Cell Interaction Assay

Samsung

Jaehoon Chung
(U. of Minnesota)

2007

Microfluidic Single Cell Clonal Culture Chips for Heterogeneity Stud

Harvard Medical Center, IME

Seong-Jin Kim
(KAIST)

2006

Label-free CMOS DNA Sensor with On-Chip Noise Reduction Scheme for Real-time DNA Quantification

Samsung, IME, UIST

Dae-Eun Park
(KAIST)

2006

MEMS-Based Fuel Reformer Integrated with Catalytic Combustor Using Carbon Nanotubes as Catalyst Supports

MagnaChip

Sang-Wook Han
(KAIST)

2006

A Wide Dynamic Range CMOS Image Sensor with In-Pixel Analog Memory for Pixel Level Integration Time Control

KIST

Taeksang Song
(KAIST)

2005

A Sub-mW 2.4GHz Current-Reused CMOS Receiver Front-End Using Sub-Harmonic Mixer for Wireless Sensors Network

Hynix Semiconductor

Heon-Min Lee
(KAIST)

2004

A Mass-Sensitive Microchemical Sensor System Using Thin Film Bulk Acoustic Resonators (TFBARs)

LG Elite

Il-Joo Cho
(KAIST)

2004

Electromagnetically-Actuated MEMS Switches for Optical and RF Communication Systems

KIST

Hyung-Kew Lee
(KAIST)

2004

A Wide Range Linearly-Tunable Optical Filter Using Magnetic Actuation

Samsung, KRISS

Kwang-Hyun Lee
(KAIST)

2003

A CMOS Active Pixel Sensor with Controlled Reset and Spatial-Temporal Multi-Resolution Readout

Samsung

Kwang-Seok Yun
(KAIST)

2003

Microfluidic System for High-Throughput Cell-Based Assay

Sogang University

Eun-Chul Park
(KAIST)

2002

Design and Fabrication of Low Phase Noise Integrated VCOs Utilizing MEMS Structures

Samsung

Jun-Ho Kim
(KAIST)

2002

A Disposable Microfluidic Chip for DNA Sample Preparation of Nucleic Acid Analysis

Samsung

Kyung-Nam Han
(KAIST)

VLSI Design Using Redundant Binary Number System: Arithmetic Components for Floating-Point Datapath Unit

Synopsys