APT EP is a responsive, innovative company focused entirely on the EP market.


Steve Berhow



Steve has over 30 years of experience in the medical device industry. He started his career in 1985 at AngioMedics, where he developed a thorough understanding of devices utilizing balloons, stents, and delivery systems for percutaneous access and treatment of diseased vessels. After AngioMedics, Steve moved to Everest Medical, the first company in the US to primarily focus on developing Bipolar Electro-Surgical devices for minimally invasive surgeries using Bipolar RF energy. Steve is a graduate of the University of Minnesota with a degree in Physiology. Over the last 20+ years Steve has founded 5 medical device based companies in the US, Asia, and Europe. He is the holder of numerous patents in the medical field and is always seeking to help create new devices and technologies used for the advancement of medicine throughout the world.

Sean Carroll


Sean is a West Point Graduate who served in the US Army as an Armored Cavalry Officer from 1989-1994. Following his service he received his Master of Science in Biomedical Engineering from Rensellaer Polytechnic Inst. In NY. Sean has 20+ yrs. of Medical Device Experience with various companies including Cordis, CryoCath, Biosense Webster and Edward Life Sciences. Sean has 100+ US and International Patents. Sean has strong working relationships with KOL physicians as well as very strong NPD and new product introduction experience.

Lisa Rathbun

Sr. Director of Sales and Marketing

Lisa has been in the medical device industry for 20+ years and has a diverse background including sales, marketing, clinical education tradeshow management, customer service and training. Prior to joining APT EP Inc. Lisa worked for Olympus Surgical Technologies as Mgr. of Intl. Sales & Marketing - Energy.  Previous positions include Product Mgr. at Vascular Solutions for their Laser System, Mgr. of Intl. Sales & Marketing at Gyrus ACMI, and various positions with Everest Medical a company focused on developing and manufacturing RF Energy products for minimally invasive surgery.