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About EKOS

EKOS Corporation pioneered the development and the clinical application of ultrasound accelerated thrombolysis, introducing its first system for the treatment of vascular thrombosis in 2005. Today, interventional radiologists, cardiologists and vascular surgeons at leading institutions around the world use the EKOS EkoSonic Endovascular System to provide faster, safer and more complete dissolution of thrombus.

Other applications which deliver physician-prescribed fluids or contrast agent to other targeted locations in the body are under investigation.

In July 2013, EKOS Corporation became a BTG International group company. Find out more about BTG by visiting

Management Bios

Matt Stupfel
Vice President and General Manager
Matt has worked as a finance professional for over 25 years with experience in the development and manufacturing of medical devices and dental products. His most recent companies include Boston Scientific Corporation and Heart Technology. Matt holds a Bachelor of Arts in Accounting from Seattle University.

Lynn G. Allen, RN, MS
Director, Clinical Affairs
Lynn has held a number of executive positions during her successful ~25 year career directing clinical research activities for several product development programs including coronary stent, congestive heart failure, and hypertension.  Lynn was a Registered Nurse in the ICU-CCU and earned her Master of Science in Cardiovascular Pharmacology from the University of Oregon Health Sciences Center.

Minda Evans
Director of Customer Care and Service

Minda has spent 14 years in the medical device industry leading groups of customer care, technical support, and inside sales teams to provide an excellent customer experience.  Prior to joining EKOS in 2012, Minda worked at Verathon in a senior executive role. She holds a Bachelor of Applied Science in Finance Management from the University of Nevada, Reno.

Curtis Genstler, MD
Vice President, Systems Integration
Dr. Genstler brings more than 24 years of medical and device experience to EKOS. Prior to joining EKOS, he worked at CellPro, and Genetic Systems where he helped develop cell separation technology and medical laboratory instruments respectively. Dr. Curtis Genstler received his MD degree from Loma Linda University and a BS in engineering from Walla Walla University.

Jocelyn Kersten
Vice President, Regulatory and Clinical Affairs
Jocelyn has spent 22 years working in the medical device industry with 10 years of prior medical experience in cardiac catheterization and angiography labs. She has expert knowledge in the area of Regulatory Affairs from her prior companies of Boston Scientific Corporation and Heart Technology. Jocelyn holds a Bachelor of Science in Radiologic Technology from the University of Nebraska Medical Center and a Regulatory Affairs Professional Certification from the University of Washington.

Tony Litwiller
Vice President, Sales
Tony is an experienced sales executive with over 15 years of leadership and sales experience in the medical and therapeutic device fields. Tony joined EKOS in 2006 as one of the founding members of the sales team formed upon launch of the Company’s EKOS® Lysus® Peripheral Infusion System. In 2008, Tony was promoted to Northeast Sales Director and then in 2013 was promoted to Vice President of Sales for the EKOS/BTG International Group. He leads the US sales force responsible for the EKOS product lines. For the past decade he held sales and training positions of increasing responsibility at Abbott Laboratories, Tyco/Kendall Healthcare, C.R. Bard and Kyphon. Tony holds a Bachelor of Science degree in Pharmacy from Drake University, Des Moines, Iowa.

Lori Melkerson
Vice President, Operations
Lori has worked in Manufacturing Engineering and Operations in the medical device industry for 25 years with experience in moving products from concept to commercialization. Prior to joing EKOS she worked for Abbott Laboratories, Heart Technology, and Boston Scientific. Lori has a Bachelor of Science degree in Chemical Engineering from Queen’s University in Kingston, Ontario.

Anastasia Mironova
Sr. Marketing Director 
Anastasia is an experienced marketing executive with a track record of sound strategies and revenue generating programs in the medical device and healthcare field. She has held marketing leadership positions of increased responsibility at Medtronic, Cardiac Science, and Opto Circuits. Fluent in English, Russian and German, Anastasia’s passion is in growing business globally and building world class marketing organizations. Anastasia holds a BA in International Business and Marketing and an MBA in Marketing.  

Rachel Oximana
Director, Quality Assurance & Compliance
Rachel has worked in the pharmaceutical and medical device industries for over 20 years with experience in Manufacturing Engineering, Project Management, and Quality Assurance. Prior to joining EKOS she worked for Immunex, Heart Technology, and Boston Scientific. Rachel holds a Bachelor of Science in Mechanical Engineering from the University of Washington.

Shari St. Clair
Shari has worked as an accounting and finance professional for 29 years with experience in a variety of industries including public accounting, rental properties, residential construction and medical.   Prior to joining EKOS in 2007, Shari’s 10 years of experience in the medical industry included American Hospital Supply in Chicago, IL and VQ OrthoCare in Irvine, CA. Shari earned a Bachelor of Arts Degree in Accounting and French from Illinois State University.

Marianne Sulkosky
Director, Business Operations
Marianne has combined human resources with business operations to achieve corporate results for over 25 years.  Prior to joining EKOS in 2006 she provided ongoing human resource and business advisory consultancy services to start up through mid-size companies.  She has held human resources business partner roles at Sierra On Line, Inc. and Cardinal Health.  Marianne holds a Bachelor of Science degree in Business Administration with a concentration in Human Resources Management from California State University Sacramento.

Mike Wolniewicz
Vice President, Engineering
Mike brings 20 years of medical device experience to EKOS. Prior to joining EKOS he held roles in both manufacturing engineering and research and development at companies such as EndoGastric Solutions, Pathway Medical Technologies, Boston Scientific, and Heart Technology. His past contributions include peripheral vasculature, cardiology, and gastroenterology device development along with several patent disclosures. Mike holds a Bachelor of Science in Mechanical Engineering and a MBA, from the University of Washington.

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Production Facility

Our team is committed to the development of catheter based drug delivery devices that utilize ultrasound energy to facilitate the delivery of drugs within the body. We provide challenging and rewarding opportunities at our main headquarters located in Bothell, Washington (just a few minutes drive north of Seattle).

We appreciate your interest in joining the EKOS team. We are always looking for talented individuals with a passion for EXCELLENCE. Please visit our careers page to view and apply for any of our current job openings.   Due to large volumes of responses we receive we are unable to contact all applicants.

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Contact Us

EKOS Corporation

11911 North Creek Parkway South
Bothell, WA 98011

Customer Service -Toll Free (US)

Customer Service Fax

Main Phone

Main Fax

24 Hour Technical Service Help Line
888.356.7435 (888 EKOS HELP)


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