1. "Dual-band high-performance cellular signal acquisition circuits for micro-electrode array", Southeast University, Nanjing, China, Oct. 21, 2011
2. "Dual-band high-performance cellular signal acquisition circuits for micro-electrode array", Stanford University, Sep. 23, 2011
3. "Intra-body Communication Technology", Mindray, Shenzhen, China, Jun. 24, 2011
4. "Research activities in Mixed-signal IC Lab", Texas Instruments, Shenzhen, China, May 24, 2011
5. "Cellular Research Activities in Mixed-Signal Bio-Medical IC Lab", Hong Kong University, Hong Kong, Dec. 8, 2010
6. "Research activities in Mixed-signal IC Lab", Desay SV Automotive, Huizhou, China, Nov. 3, 2010
7. "Research activities in Mixed-signal IC Lab", National University of Defense Technology, Changsha, China, Sep. 16, 2010
8. "Wide Dynamic Range CMOS Imaging Sensor For Bio-medical Imaging", 2010 CMOS Emerging Technologies Workshop, Whistler, Canada, May 19-21, 2010
9. "Modeling of the electrical field intra-body communication channel", 5^th International Summit on Biomedical and Health Engineering, Shenzhen, China, Apr. 18, 2010
10. "Mixed-signal IC Techniques for Bio-Medical Applications", TIMA Laboratories, Jul. 2, 2009, France
11. "Mixed-signal IC techniques for cell recording",  Molecular Medicine Institute, Peking University, China, Nov. 11, 2009
12. "Mixed-signal Bio-medical IC Technology", SIUI Co. Ltd., Shantou, China, Jun. 8, 2009
13. "Bio-potential Sensing", Huawei Technologies Co., Ltd. , Shenzhen, China, Oct. 9, 2008
14. "High-Performance Mixed-Signal Circuits For Bio-Medical Applications", Zhejiang University, Hangzhou, China, Oct. 18, 2007
15. "High-Performance Mixed-Signal Circuits For Bio-Medical Applications", Shanghai Jiaotong University, Shanghai, China, Oct. 20, 2007
16. "The VLSI Design of a bio-inspired silicon Cortex: mixed-signal and analog approaches", University of Waterloo, Waterloo, Canada, Jan. 10, 2006.
17. "The VLSI Design of a bio-inspired silicon Cortex: mixed-signal and analog approaches", University of Delaware, USA, Jan. 20, 2006
18. "The VLSI Design of a bio-inspired silicon Cortex: mixed-signal and analog approaches", Hong Kong University of Science & Technology, Feb. 12, 2006
19. "The VLSI Design of a bio-inspired silicon Cortex: mixed-signal and analog approaches", Iowa State University, Mar. 31, 2006
20. "The VLSI Design of a bio-inspired silicon Cortex: mixed-signal and analog approaches", University of New Mexico, Apr.   6, 2006
21. "The VLSI Design of a bio-inspired silicon Cortex: mixed-signal and analog approaches", California Institute of Technology, Apr. 13, 2006
22. "The Design of High-Speed High-Resolution, Low-Power Pipeline A/D Converters", Agere Systems, Jan. 6, 2006