Your partner in safer, smarter supervision.

We help imaging centers deliver consistent, high-quality contrast supervision through trusted expertise and modern technology.

Co-Founder Sam Beger at an outpatient imaging center standing in front of a Philips CT scanner, highlighting their partnership with Tether Supervision to implement real-time virtual direct supervision for contrast-enhanced CT and MRI procedures

Hear our story

We believe contrast supervision should feel seamless, supported, and safe.

Our Mission & Core Values

To enhance patient care and safety by providing accessible, expert radiology supervision through innovative and adaptable solutions

Excellence

We hold ourselves to the highest standards in everything we do

Patient Safety

We start and end with the patient, every decision made to improve their experience

Innovation

We embrace forward-thinking technology, research & leading practices

Collaboration

We partner with healthcare providers to create solutions tailored to their needs

Leaders in virtual supervision

Tether sets a new standard for contrast supervision with real-time radiologist access, protocol-driven workflows, and seamless multi-site coverage, ensuring safer injections and more consistent patient care than legacy staffing models.

Clinician seated beside a Tether Supervision mobile contrast unit in an outpatient imaging exam room, demonstrating always-available virtual direct supervision for contrast-enhanced CT and MRI procedures through a secure, HIPAA-compliant platform.

Clinical-grade supervision

We deliver always-on continuous oversight because we know that seconds count

Clinical-grade supervision

We deliver always-on continuous oversight because we know that seconds count

Purpose-built software

Our custom-made software is specifically designed to meet needs of virtual supervision

Purpose-built software

Our custom-made software is specifically designed to meet needs of virtual supervision

Proven results

As industry founders, we've successfully delivered thousands of hours of supervision

Proven results

As industry founders, we've successfully delivered thousands of hours of supervision

We provide tailored healthcare solutions to support everyone.

Book a call

Always available & ready

Customer-Driven

Always available & ready

Customer-Driven

Always available & ready

Customer-Driven

Inspiring trust through safety and consistency

The Tether supervision model is built to elevate quality, reduce variability, and ensure clear communication across every imaging center we support.

Led by board-certified, emergency medicine physicians

Trusted by outpatient imaging centers nationwide

Proven across thousands of supervised hours and reactions

Built for CMS and ACR-aligned contrast workflows

Standardized protocols that unify multi-site operations

Radiology technologists preparing a patient for a CT scan inside an outpatient imaging center, demonstrating Tether Supervision’s standardized contrast workflows, real-time virtual direct supervision model, and safety-focused clinical practices.

Inspiring trust through safety and consistency

The Tether supervision model is built to elevate quality, reduce variability, and ensure clear communication across every imaging center we support.

Led by board-certified, emergency medicine physicians

Trusted by outpatient imaging centers nationwide

Proven across thousands of supervised hours and reactions

Built for CMS and ACR-aligned contrast workflows

Standardized protocols that unify multi-site operations

The Tether Supervision Platform

What sets Tether apart

The leading platform for safe, compliant, and always-available virtual contrast supervision.

Tether Supervision is custom-built for imaging centers that need fast, reliable, and regulator-ready supervision across every site and shift. We combine clinical expertise, operational precision, and a purpose-built platform to deliver supervision that’s safer, faster, and more consistent than traditional or call-if-needed models.

Expert Radiologist Network

A secure, HIPAA-compliant supervision platform designed specifically for contrast workflows, technologist support, and real-time oversight.

Compliance First

Full guidance across CMS, ACR, and state supervision requirements, confirming every case meets federal and state standards with audit-ready documentation.

Purpose-Built Platform

125+ credentialed physicians and radiologists trained in virtual contrast supervision, emergency escalation, and standardized documentation procedures.

Faster, Reliable Responses

Built-in, one-touch alerting that immediately notifies the supervising radiologist and escalates to multi-channel backup support when required.

Scalable Coverage

Integrated incident logging, follow-up documentation, and monthly QA summaries to support compliance, audits, and continuous improvement.

Experience You Can Trust

Delivering virtual contrast supervision since 2023, Tether has supported thousands of hours of safe, compliant oversight across outpatient imaging centers nationwide.

Tether Supervision mobile contrast unit displaying a live virtual radiologist on a HIPAA-compliant video platform, providing real-time precision guidance and scalable virtual direct supervision for contrast-enhanced CT and MRI in outpatient imaging centers.

Driving imaging forward with modern supervision

Our team delivers scalable processes that help imaging centers operate safely, efficiently, and with greater confidence.

Precision Guidance

Turn uncertainty into confident, real-time decision-making.

Scalable Coverage

Expand your capacity without redesigning workflows.

Consistent, High-Quality Support

Standardized protocols ensure reliability across every patient

Meet the team behind Tether

Our mission is driven by a team of exceptional physicians, operators, and leaders, committed to advancing contrast safety and setting the standard in virtual supervision.

Cory Wynn bring proven experience leading corporate strategy for healthcare technology and enterprise security clients at Deloitte, PwC, and Strategy&. At Tether, he champions our vision for transforming healthcare through strategic excellence and cutting-edge solutions.

Cory Wynn

Chief Executive Officer

Cory Wynn

Chief Executive Officer

Dr. Sam Beger, a pioneer in virtual supervision, has overseen hundreds of contrast procedures and adverse event responses. As Chief Operating Officer, he brings a deep understanding of ACR safety protocols and is dedicated to delivering excellence in patient care.

Sam Beger, M.D.

Chief Operating Officer

Sam Beger, M.D.

Chief Operating Officer

Dr. Zack Timmons brings over 350 hours of hands-on contrast supervision experience. As Chief Medical Officer and chair of Tether's Clinical Oversight Committee, he integrates evidence-based practices and ensures compliance with the latest ACR and CMS guidelines.

Zack Timmons, M.D.

Chief Medical Officer

Zack Timmons, M.D.

Chief Medical Officer

Michael Douglas brings extensive experience leading multi-site imaging networks across the U.S. As former CEO of SMIL, he supports Tether’s expansion by advising on operational scale, provider partnerships, and the requirements of modern outpatient imaging.

Michael Douglas

Chief Revenue Officer

Michael Douglas

Chief Revenue Officer

Dr. Ali Habib oversees Tether's clinical protocols and procedures. A board-certified interventional radiologist and graduate of Northwestern Feinberg School of Medicine, he brings deep expertise in advanced procedures, authoring over 20 peer-reviewed publications.

Ali Habib, M.D.

Radiology Director, Clinical Excellence

Ali Habib, M.D.

Radiology Director, Clinical Excellence

Dr. Cade Johnson combines his expertise in trauma and medical education with a passion for advancing patient safety. At Tether, Cade is focused on supporting our partners in driving clinical excellence to advance our mission of redefining virtual contrast supervision.

Cade Johnson, M.D.

Operations Director

Cade Johnson, M.D.

Operations Director

Winston brings a decade of hands-on technical experience supporting clinical equipment and imaging operations at Texas Children’s Hospital. At Tether, he helps imaging centers onboard smoothly by combining biomedical expertise with a customer-first approach to virtual supervision support.

Winston Phillips

Sales Development Representative

Winston Phillips

Sales Development Representative

Will Beger is a Sales Development professional at Tether where he leverages his creative problem-solving skills and global perspective to drive imaging center partnerships in virtual contrast supervision. With a focus on identifying opportunities and fostering partnerships, Will plays a key role in expanding Tether’s reach and impact in the healthcare industry.

Will Beger

Sales Development Representative