Graham Cox

Chief Executive Officer

Senior level Executive with 40+ years ultrasound industry experience including 25+ years of successful senior global leadership in early stage and well established organizations such as ATL, Acuson, and SonoSite. Prior to EchoNous, he served as CEO of German based medical device company specializing in tablet based ultrasound systems and joined EchoNous in October 2020. Has a Degree in Electronic Engineering and an Executive MBA.

John Brenneman

Chief Financial Officer


Todd Willsie

Executive Vice President and Chief Technical Officer

Todd is an ultrasound industry veteran with 30 years of experience who worked on one of the first handheld ultrasound systems available. He received a BSEE degree from Washington State University and began his career in computer graphics but soon joined the ultrasound engineering community in the Seattle, WA area. Once starting to work on ultra portable ultrasound devices, he has never looked back and continues to push engineering limits to deliver the best solutions for clinicians. When not working, Todd can often be found sailing or bike riding.

Brooke Brandt

Vice President, North America

Jim Lucas

Vice President, EMEA

Jim comes to EchoNous with more than 27 years of medical technology experience at the likes of Philips, SonoSite, and Terason, having held EMEA leadership roles in business and product development. His background in all aspects of product commercialization brings a strong perspective to the EchoNous team. Jim holds a degree in Medical Physics and Physiology from Cardiff University, a PgC in Medical Imaging (Ultrasound) from Anglia Ruskin University, Cambridge and an MBA from Swansea University, UK.

Mark McDonald

Vice President, Asia Pacific

Initially trained in Radiography and with post graduate qualification in Medical Ultrasound (in his Native New Zealand) Mark comes to EchoNous with 25 years of experience in Medical Technology Sales and Marketing across Australia, New Zealand and Asian Pacific for Philips, Paragon Care and Butterfly. His background is in leading organizations by combining his clinical, technical and commercial knowledge to add insight and value.

Takatsuna Kitagawa

Vice President, Japan

Takatsuna has a total of 34 years Ultrasound experience with 20 years of Country Management Experience. He started his ultrasound experience from Aloka in 1989, who developed the ultrasound imaging system for the first time in the world after World War 2. Takatsuna worked at Olympus for 7 years and 1999 launched “SonoSite 180,” which was the first SonoSite product in the Japanese Market. He also developed the Japanese POCUS market from zero where the market did not exist. He has worked at EchoNous as a Managing Director for Japan from 2015-2017.

Rebecca Penn

General Counsel

Rebecca L. Penn began her legal career representing hospitals, healthcare systems and energy companies as outside litigation counsel. Thereafter she worked as both outside general counsel and litigation counsel for various public and private healthcare systems, physician groups and corporate clients. She joined EchoNous, Inc. in February 2020 as Corporate Counsel and in 2022 assumed the role of General Counsel. She is a graduate of the University of Washington (BA, 2003) and of the Seattle University School of Law (JD, 2007).