Roy Chang Joins Efficient Power Conversion (EPC) as Vice President of Sales, Greater China and Southeast Asia

Mr. Chang will drive EPC’s design wins and revenue growth in Greater China and Southeast Asia, as well as assisting customers in adopting eGaN® FETs and integrated circuits for leading-edge power conversion systems.

EL SEGUNDO, Calif.--(BUSINESS WIRE)--#GaN--To support its accelerating sales growth in Asia Pacific, Efficient Power Conversion Corporation (EPC) is proud to announce that Roy Chang has joined the EPC leadership team as Vice President of Sales for Greater China and Southeast Asia. Mr. Chang has over 20 years of experience in R&D, technical sales, and marketing within the computer and semiconductor industry. His primary responsibilities at EPC are creating and implementing sales strategies to achieve the company’s sales objectives in Greater China and Southeast Asia. He is based in Taipei, Taiwan.

“As a customer-oriented engineer, Roy Chang has gained solid sales, customer and distribution management experience in multinational organizations including ramping new technology sales. He has a proven track record of managing sales, marketing, and FAE organization to increase values for customers and turn new business opportunities into results,” said Nick Cataldo, Senior Vice President of Global Sales and Marketing, EPC.

“I look forward to Roy’s contribution to our sales growth; assisting me in expanding our customer base, maximizing new business acquisition, and capturing new markets throughout Asia Pacific,” commented Stephen Tsang, Vice President of Sales, Asia Pacific, EPC.

Mr. Chang joins EPC from Transphorm Inc., where he was the Vice President of Sales, Taiwan. Before joining EPC, Mr. Chang held R&D, technical sales, as well as sales and marketing leadership positions with Acer and Texas Instruments.

“I am excited to have the opportunity to work with the team members at EPC. With my experience in ramping new technology sales, I look forward to contributing to EPC in creating design wins using our gallium nitride FETs and integrated circuits to enhance our customers’ products,” said Roy Chang, Vice President of Sales, Greater China and Southeast Asia, EPC.

About EPC

EPC is the leader in enhancement mode gallium nitride based power management devices. EPC was the first to introduce enhancement-mode gallium-nitride-on-silicon (eGaN) FETs as power MOSFET replacements in applications such as DC-DC converters, wireless power transfer, envelope tracking, RF transmission, power inverters, remote sensing technology (LiDAR), and Class-D audio amplifiers with device performance many times greater than the best silicon power MOSFETs. Visit our web sites:;;

eGaN is a registered trademark of Efficient Power Conversion Corporation, Inc.


Efficient Power Conversion Corporation
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