Management Team

Dr. Dong has over 16 years of management experience in technology and commercial product development. His areas of expertise include image processing and recognition, speech processing, commercial firmware development, and Internet applications.

Prior to co-founding Legend Silicon, Dr. Dong was Director of Core Technologies for Caere Corporation, where he led software development teams for Internet software, desktop applications, firmware, and embedded software. He received his Ph.D., M.S., and B.S. degrees from the Department of Electronics, Tsinghua University.

Dr. Yang is an ASIC design expert with over 20 years of specialized experience in digital communication, digital signal processing, voice and image processing, and cell-based technology. He is the member of the GB standard development group, contributed TDS-OFDM modulation technology. He holds 50+ patents regarding GB, TDS-OFDM, and DTV receiver, and managed several generations of the industry/market leading GB DTV receiver chip designs. He has 20+ original publications on DTV related fields.

Prior to co-founding Legend Silicon, Dr. Yang was Director of the Wireless Design Services Group for Cadence Design Systems, where he led ASIC development teams for a wide variety of multimedia and telecommunications applications. These applications included digital television systems, 3G cellular systems, a satellite wireless communication handset, and a watch-based pager.  Also, Dr. Yang was the Professor of EE Dept. of Tsinghua University 2001-2006.

He received his Ph.D. degree from the Department of Electrical Engineering, University of California, Berkeley, M.S. degree from the Department of Electronics, Tsinghua University, and B.S. degree from the Department of Electronics, Fudan University.

Mr. Demas joined Legend Silicon in July, 2008 bringing over 19 years of strategic account and sales management experience in the semiconductor industry.

Prior to joining Legend Silicon, Mr. Demas was Director of Sales for Quake Technologies, a start-up fabless semiconductor company which was successfully acquired by AMCC (Applied Micro). During his tenure, he grew sales from zero and established the company as the premium supplier of 10 Gigabit Ethernet physical layer chips including major design wins at Intel and Cisco. Prior to that, Mr. Demas held sales management positions at Trinity Technologies and Samsung Semiconductor. He was recognized for being the number one sales professional six years in a row and was responsible for selling microprocessors, DRAM, graphic processors, system controllers, switching chips and phy’s to the top networking and consumer accounts in the industry.

Mr. Demas received his BS in Electrical Engineering from Georgia Institute of Technology.

Tim Ma came to Legend Silicon with 18 years  of wireless ASIC product development, including digital TV, satellite communications, microwave broadband wireless access network, wireless LAN, GSM, and most recently WiMAX wave 2 ASIC.

Prior to Legend Silicon, Mr. Ma was VP of Engineering and co-founder of Apacewave Technologies, a leading start- up company in low-cost and low- power WiMAX ASIC solutions. There he established a strong engineering team in digital communication ASIC, embedded software, and RF system integrations.  Prior to that, Mr. Ma held management and leading engineering positions at Amalfi Semiconductors, RFMD, Cadence, and Mitel Semiconductors.

Mr. Ma received his MS from University of Waterloo, MS from Chinese Academy of Science, and BS from Tsinghua University.

Raj Karamchedu has over 16 years of experience in the design and marketing of semiconductor products for wireless and consumer electronics markets. He joined Legend Silicon in 2007.

Raj started his career at Cadence Design Systems (Alta Group) in '94 as a signal processing & digital communication system design engineer. His product marketing experience includes software tools product management at Chameleon Systems, a reconfigurable processor company, followed by WLAN semiconductor product management at Systemonic, Inc., a startup acquired by Philips Semiconductors in 2003 and HDMI product marketing at Silicon Image, a consumer electronics fab-less semiconductor company. Raj is the author of a book on semiconductor marketing, “It’s Not About the Technology – Developing the Craft of Thinking for a High Technology Corporation,” published by Springer, 2005. He received MSEE (Neural Networks) from Michigan Tech University in 1994.