Takayoshi Oshima
Founder and CEO

Mr. Oshima founded Allied Telesis, Inc. in March 1987 and has served as its chairman, CEO, and representative director since its inception. He has also held technical, marketing, and managerial positions with companies spearheading the growth of the high-technology industry over the past 30 years, including ITT, Fairchild Camera Instrument, Advanced Micro Devices, and Ungermann-Bass. Mr. Oshima holds a BSEE from the University of Florida.

EuJin Lim
President and COO

Mr. Lim joined Allied Telesis, Inc. in 1992 and is responsible for overseeing daily operations. Additionally, Mr. Lim is head of engineering for the Allied Telesis, Inc. Enterprise Products division as well as global manufacturing. Prior to joining Allied Telesis, he held technical positions at Conner Peripherals Pte. Ltd., a subsidiary of Conner Peripherals, Inc. Mr. Lim holds a B.S. in electrical engineering from the University of Western Australia.

Keith Southard
VP Service and Support

Lisa Rosetta
VP Strategic and Channel Sales

Todd Trenasty
VP Service Provide Sales

Todd Trenasty, Vice President, leads the Allied Telesis service provider market segment from a sales perspective. He plays a critical role in defining and leading Allied’s strategy for the rapidly evolving global telecommunications market and aligning company resources to deliver business and technology solutions and architectures that enhance service providers' overall profitability, are unique in the marketplace, and enable innovation in end-user consumption of technology. Prior to joining Allied, Mr. Trenasty served in a number of sales management roles for Kentrox and Lucent Technologies. Mr. Trenasty holds a Bachelor of Arts degree from The University of Texas at Austin.