Christopher R. Cole

Hugh G. Larsen

Lorraine Marshall Wright

J. Nelson Wright


  Parallax Group
J. Nelson Wright
N elson has a record of innovation and achievement in complex product development, integrating hardware, software, and user experience, from conceptualization to management. As a consultant to industry and the venture community his projects have included product feasibility assessments, technology investigations, patent reviews, and business plan evaluations. J. Nelson Wright photo

Most recently he was Executive Vice President and Chief Technology Officer at Calypso Medical (acquired by Varian Medical), leading the development of novel localization technology for radiation therapy, a primary approach to treating cancer.

In 1981 Nelson joined Acuson Corporation (later acquired by Siemens Ultrasound, where he co-invented and led the development of the beamformer for the company's first product, the Acuson 128 ultrasound system. He was later responsible for Acuson's Sequoia program, chartered to develop a new generation imaging technology for diagnostic ultrasound. In this capacity he was responsible for conceptualizing a new imaging architecture, leading the research team to analyze and simulate it, and managing the development of the Sequoia products through the first 200 customer shipments and $50 million in revenue. During this time, Nelson served in various positions including Vice President of Advanced Development.

The Acuson 128 architecture has generated in excess of $1 billion in revenue, and Sequoia $5 billion. In 1997 the Smithsonian Museum of American History acquired 128 and Sequoia systems, as part of their permanent collection of significant medical technology.

Nelson received B.S. and M.S. degrees in Electrical Engineering from the Massachusetts Institute of Technology. He spent several years at M.I.T. Lincoln Laboratory working on advanced communication satellites.

He has over 50 international patents awarded in medical technology. He is a Senior Member of IEEE, a member of SPIE, and the Acoustical Society of America.

Nelson is currently Principal Consultant Emeritus. He can be contacted at (206) 947-9612, or at

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