The Management Team of GCT Semiconductor
Dr. Kyeongho "K.H." Lee
President & CEO / Chairman of the BOD
Kyeongho Lee is the driving force behind the operations and engineering innovations that give GCT its competitive advantage in the wireless industry, including their CMOS-based WCDMA and Bluetooth chipsets. "K.H." is credited with the successful fundraising efforts at GCT, which to date have secured more than $15 million over two rounds. In addition, Dr. Lee has been the chief architect of GCT's R & D effort, as well as the company's production and supply chain strategies. As president, he is responsible for ensuring the seamless day-to-day operations across the three companies in the U.S. and Asia that together make up GCT Semiconductor.

"K.H." holds seven separate U.S. patents - including one relating to GCT's direct conversion architecture - with six others currently pending. Dr. Lee has authorship credits on eleven separate white papers or presentations dealing with communications semiconductor design, and was the winner of the Distinguished Dissertation award in 2000 from Seoul National University -- a tribute to his leadership in the wireless industry.

Prior to founding GCT Semiconductor, Dr. Lee worked at Silicon Image where he created and patented the architecture behind Silicon Image's PanelLink flat panel display technology, which became a worldwide standard. K.H. holds a Ph.D. in Electrical Engineering from Seoul National University.
Mr. Ron Wilderink
Vice President of Finance & Administration and Chief Financial Officer
Mr. Wilderink leads the finance and administrative functions at
GCT. He is responsible for management of the financial, planning,
legal and other administrative activities for the company.
From 1998 to 2002, he was Vice President of Finance and Chief
Financial Officer of Conductus, Inc., a manufacturer of filter
and amplifier systems for the wireless communications market.
Previously, Mr. Wilderink was Vice President and Corporate
Controller of Oak Technology, Inc., a fabless semiconductor
company providing solutions to the optical storage, digital
imaging and digital home entertainment markets. His prior
experience includes various finance positions with Bell
Microproducts, VMX, Inc. and KPMG Peat Marwick, LLP. Mr.
Wilderink holds a B.S. degree in Accounting from San Jose State
University and is a Certified Public Accountant.
Mr. Alex Sum
Vice President, Marketing
Mr. Sum leads the product marketing and program management functions at GCT. He is responsible for directing the product definition and marketing research efforts, and setting corporate business objectives and "time to market" goals.
Prior to GCT, Mr. Sum was a product marketing manager at Philips Semiconductor with the global responsibility for managing the successful launch of sigma delta synthesizers, as well as CDMA and TDMA RF products. Before joining Philips, Mr.Sum served as a product/test engineering manager at Supertex and Fairchild Semiconductors. Mr.Sum has various experiences in start-up, growth and mature businesses. He has a BS degree in Electrical Engineering from San Jose State University.
Mr. Fred Lancia
Vice President, Sales
Mr. Lancia leads the GCT sales and applications team. He is responsible for building customer relationships, winning designs, and growing sales revenue. During the past few years, Mr. Lancia held vice president of sales positions with optical component suppliers Alvesta and SpectraSwitch. Previously, he was vice president of marketing for Metalink, a supplier of xDSL chipsets. Prior to Metalink, Mr. Lancia served as director of sales, Asia Pacific, for Level One Communications, an Intel company. He also held management positions at Lattice Semiconductor and Fujitsu Microelectronics. Mr. Lancia received an MBA from the Kellogg Graduate School of Management at Northwestern University, a MSEE from Stanford University, and a BSEE from Ohio State University.
Dr. Joonbae "J.B." Park
Vice President, Engineering/ Analog
As head of GCT's Analog program, Dr. Park is focused on developing products that leverage GCT's industry-leading direct conversion architecture. Dr. Park is credited with developing the "timing ruler" concept for the frequency acquisition of the clock recovery circuit, which has been implemented into GCT's PLL product line. Dr. Park holds a Ph.D. degree in Electrical Engineering from Seoul National University, and has authored numerous articles in electrical engineering journals and major semiconductor conferences. In addition, he has been recognized on several occasions for his semiconductor design expertise, most notably in 1994 when he received the Gold Medal in Semiconductor Design by the Federation of Korean Industries.
Dr. Suwon "Steve" Kang
Vice President, Engineering/Communication
Dr. Kang is leading the development of GCT¡¯s communications products including Bluetooth, PLL and WLAN focused on RF systems and baseband modem. He brings to GCT more than 10 years of experience dedicated to the development of wired and wireless communication systems like CDMA handset transceivers, V.34 dial-up modem, HDTV transceiver and Bluetooth, etc. He received his Ph. D degree from the Seoul National University with specialty in cellular mobile communications. He holds 4 patents in the field of wireless communication systems.
Dr. Jeongmin "Jeemee" Kim
Vice President, Engineering/ Digital
As a VP, Dr. Kim is focused on developing Bluetooth designs and associated embedded cores for GCT Semiconductor, as well as overseeing the company's mobile media processor initiative. Dr. Kim brings a great deal of experience to the position, with more than nine years of service with Samsung Electronics and Korea Telecom working on multimedia semiconductor design.

During his doctorate program at Seoul National University, Dr. Kim studied the design and development of semiconductor circuits and systems, including an embedded DSP core, MPEG 2/4 coder-decoder, and low-power mobile media processor. He also was involved in developing embedded system software, including a simulator and compiler. "Jeemee" has been credited with authoring a number of articles for leading engineering journals in the U.S. and Korea.
Mr. Jongdo "J.D." Yoon
Vice President, Production
Mr. Yoon has over 20 years of experience in the electronics and semiconductor industries. He was a representative of Silicon Image in Korea who managed production and business development. Mr. Yoon holds a BSEE from Seoul National University.
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