Advancing Embolization, Starting with SCRUNCHY
Polyembo (est. 2022) simplifies vessel embolization with SCRUNCHY, Sphere, and PuffyCoil to address inventory complexity and improve outcomes.
Our Team
John Crowley
CEO
John is a seasoned Executive with over 35 year in the Medical Device experience.
Before Polyembo, John formed Insitte LLC a Medical Device consulting business.
John spent 29 years at Boston Scientific where he had numerous executive positions including Vice President and Franchise GM of the Interventional Oncology Business.
DJ Ashurst
Senior Director
DJ is a dynamic Engineering, Development, and Operations leader with over 15 years
of experience in the Medical Device industry.
Before Polyembo, DJ held key technical leadership roles specializing in the rapid
development and scaling of novel interventional technologies for early-stage ventures.
DJ has a proven track record of guiding complex catheter and Nitinol-based platforms
from concept to clearance, overseeing the full lifecycle of R&D, quality systems,
regulatory testing, and FDA clearance.
Dean Carpenter
Director of Engineering
Dean is a med-device startup veteran, with over 18 years of experience spanning a
range of products, including cardiovascular implants, in-vitro diagnostic devices, and
drug delivery systems.
Dean has a ground-up knowledge of the medical device industry, specializing in early
manufacturing engagement of the design process to ensure products are developed to
be inherently reliable to manufacture and ready to be scaled-up.
Prior to Polyembo, Dean was instrumental in building competent, highly respected
engineering teams and flexible, right-sized engineering processes to quickly grow
several early-stage companies.



