
Scott Mader’s Vision for AseptiScope: Ending the Silent Threat of Stethoscope Contamination
Scott Mader, President and CEO of AseptiScope, was recently featured in CIO TechWorld’s Top 10 Inspiring CEOs of 2025 for his work addressing one of healthcare’s most overlooked patient safety risks: stethoscope contamination.
The stethoscope is one of the most recognizable symbols of medicine and is used in nearly every patient examination. Yet for more than two centuries, this essential clinical tool has quietly persisted as a vector for pathogen transmission, including antibiotic-resistant organisms. While healthcare systems have invested heavily in hand hygiene and environmental cleaning, the stethoscope has historically escaped rigorous, standardized infection control protocols.
This persistent gap in patient safety is the challenge Scott Mader and his team at AseptiScope, Inc. set out to address.
A Career Built on Identifying Unmet Clinical Needs
Scott Mader brings more than 30 years of experience introducing evidence-based medical innovations to market. His career began in pharmaceutical product launches at Bristol-Myers Squibb, where he worked on foundational therapies such as metformin. He later helped lead the global introduction of the Triage BNP Test at Biosite, a diagnostic that became the standard of care for acute heart failure and contributed to the company’s $1.6 billion acquisition.
Across pharmaceuticals, diagnostics, and devices, Mader’s approach has remained consistent: identify unmet clinical needs early, validate solutions rigorously, and align innovation with real-world workflows.
He often describes stethoscope contamination as “like the clinician touching patients with a dirty third hand,” a comparison that has resonated strongly with infection prevention and quality leaders.
A Personal Motivation Behind the Mission
The stethoscope also carries a personal meaning for Mader. His father was an internal medicine physician known for his diagnostic skill using a stethoscope. As a child, Mader recalls listening to heart and lung sounds but never seeing the device cleaned between patients.
Today, clinical studies confirm what many clinicians experience firsthand: time constraints, workflow pressures, and inconsistent access to disinfectants make reliable stethoscope hygiene difficult to achieve in practice.
AseptiScope and The DiskCover® System
Founded in San Diego in 2016, AseptiScope was created to address what Mader describes as an “enormous gap in patient safety.” Studies have shown stethoscope contamination rates ranging from 50–70%, with manual alcohol wiping often proving inconsistent, time-consuming, and less effective against resistant pathogens.
AseptiScope’s flagship technology, The DiskCover® System, is a touch-free, automated dispenser that applies a single-use aseptic barrier to the stethoscope diaphragm in approximately one second. Designed to integrate seamlessly into clinical workflows, the system aims to reduce reliance on perfect human execution while preserving diagnostic quality.
Key attributes of the DiskCover System include:
- Touch-free application to promote aseptic use
- Preserved acoustic integrity, maintaining high-quality auscultation
- Multi-center clinical validation, with strong clinician preference
- Visible reassurance for patients, supporting trust and satisfaction
Clinical evidence includes interruption of pathogen transmission and reported elimination of CLABSIs at a VA medical center following integration into infection prevention strategies.
Looking Ahead: Expanding Aseptic Technique
Since its founding, AseptiScope has raised $6 million in an oversubscribed Series A funding round and is preparing for continued commercialization. The company has also developed a growing patent portfolio focused on touch-free delivery of aseptic barriers, with potential applications beyond stethoscopes, including ultrasound probes and other high-contact clinical tools.
In an era where healthcare-associated infections continue to impact patient outcomes and healthcare costs, AseptiScope’s work reflects a broader shift toward designing safer defaults in clinical care.
Read the Full Feature
Scott Mader’s full profile and vision for addressing stethoscope contamination are featured in CIO TechWorld’s Top 10 Inspiring CEOs of 2025.
Read the full article:
Scott Mader’s AseptiScope Vision: Ending the Silent Threat of Stethoscope Contamination









