We’re on a mission to revolutionize breast imaging. Together.

Behind QTbreasthealth and our parent company, QT Ultrasound, are a team of international experts in the medical, science and technology fields. Each brings a relentless focus on quality, safety and patient experience, and work in close collaboration to advance our research and ability to bring the benefits of a QTscanTM to every woman.

QTbreasthealth leadership

Margaret Donigan, MBA
PRESIDENT
Margaret Donigan, MBA
PRESIDENT

Margaret Donigan leads the QTbreasthealth team as well as serving as the Chief Strategy Officer of QT Ultrasound. Prior to joining QT Ultrasound, she spent more than a decade in middle market private equity, leading strategy development and making principal investments in more than a dozen companies, covering a variety of industries including healthcare. Ms. Donigan served as Executive Vice President of Corporate Development at Paradigm Tax Group, a company for which she led the recapitalization and served on the Board. She received her B.A. from Yale University and earned her M.B.A. in Finance and Operations Management from the Wharton School at the University of Pennsylvania, where she graduated as a Palmer Scholar.

Michael Perry, MD
MEDICAL DIRECTOR
Michael Perry, MD
MEDICAL DIRECTOR

Dr. Michael Perry earned his undergraduate degree from the University of South Florida. He received his medical degree from Saint Georges university school of medicine, graduating first in his class, and completing his residency at Mount Sinai Hospital in Hartford Connecticut. He is board certified through the American Board of internal medicine.

Dr Perry has served as medical director of several organizations including Chief Medical Director of laser spine Institute, where he oversaw the medical operations and corporate compliance of the nation’s largest spine care company. He is a member of the American College of Physicians, American Medical Association, American College of Sports Medicine, American College of Physicians Executives, and International College of Surgeons.

Carol Poppema, RN
BREAST HEALTH NAVIGATOR
Carol Poppema, RN
BREAST HEALTH NAVIGATOR

Carol Poppema is QTbreasthealth’s Nurse Navigator responsible for the delivery of results to each patient in a personal and educational way – via phone or video conference.

Ms. Poppema brings to our team 30 years of breast health and imaging experience at the Breast Evaluation Center in Grand Haven, MI. She completed EduCare’s Navigator training at Emory University and received her nursing degree from Mercy Central School of Nursing.

Ms. Poppema has a passion for women’s health and wants all women to have the necessary information to make informed decisions about their breast health.

Rachel Johnson, MHA
OPERATIONS MANAGER
Rachel Johnson, MHA
OPERATIONS MANAGER

Rachel Johnson is the Operations Manager at QTbreasthealth. In her role, Ms. Johnson is responsible for overseeing all clinical operations to ensure that consistency, standardization and quality of care meets guests’ expectations. She joins QTbreasthealth after spending a year with QT Ultrasound, the privately held technology company that owns and operates QTbreasthealth.

Ms. Johnson holds a number of certifications and licenses from the American Registry of Radiologic Technologists, including the Registered Technologist designation and others in Radiography, Computed Tomography and Magnetic Resonance Imaging.

A native Texan, Ms. Johnson completed all her education and training in the Lonestar State. She holds a bachelor's degree in psychology and a master's degree in health administration from Texas A&M, an associate degree in radiologic technology from Blinn College, and a certificate in magnetic resonance imaging from Galveston College.

Robin Terry, MS
CLINICAL APPLICATIONS MANAGER
Robin Terry, MS
CLINICAL APPLICATIONS MANAGER

As QTbreasthealth's Biomedical Engineer, Robin Terry is responsible for ensuring the quality of the scan images so that each woman receives a clear picture of her breast health. Ms. Terry has played a critical role at QT Ultrasound for several years, helping to create key processes and protocol for testing, developing and reviewing the scanning technology to continuously improve clarity and consistency of the images. She holds a Master of Science and a Bachelor's degree in Biomedical Science from Texas A&M University.

Allie Talbot
INFORMATION CENTER MANAGER
Allie Talbot
INFORMATION CENTER MANAGER

Allie Talbot is the Senior Manager, Information Center at QTbreasthealth. Through leadership of the organization's Information Center, Ms. Talbot ensures every guest receives an optimal experience, from the first point of contact through post-appointment follow-ups. She also develops, manages and oversees the organization's passionate guest advocates.

Ms. Talbot is a skilled customer service professional with healthcare leadership experience. Most recently, she was the Manager of Customer Care at Laser Spine Institute, where she was responsible for leading a team of 48 Customer Care Representatives. She came to QTbreasthealth because of the impact the organization is making on women and is excited to be part of the evolution in breast imaging.

The native Floridian received her associate degree from Valencia Community College in Orlando before graduating Magna Cum Laude with a bachelor’s degree from Florida State University.

QT Ultrasound leadership

John C. Klock, M.D.
CEO, MANAGING DIRECTOR AND MANAGER
John C. Klock, M.D.
CEO, MANAGING DIRECTOR AND MANAGER

Dr. Klock is Chief Executive Officer of QT Ultrasound and Managing Director, Manager, and Founder. Prior to QT Ultrasound, Dr. Klock was involved in the start-up of five medical companies, including Co-Founder and President of BioMarin Pharmaceutical, which successfully commercialized five FDA approved drugs; Scientific Founder and Vice President of Research of Glycomed, now Ligand Pharmaceutical; and founding investor in Ultragenyx Pharmaceutical. He also personally brought to market a novel cancer treatment, the first rapid AIDS test, comprehensive tests for detecting metabolic diseases in children, and several drugs for treating pediatric genetic conditions. Dr. Klock has authored over 70 peer-reviewed medical and scientific publications, and eight granted patents.

Rajni Natesan, MD, MBA
CHIEF MEDICAL OFFICER
Rajni Natesan, MD, MBA
CHIEF MEDICAL OFFICER

Dr. Natesan is a board-certified radiologist who brings together years of experience in finance and healthcare. Prior to joining QT Ultrasound, Dr. Natesan led multiple mergers, acquisitions, and financing deals in the medical device, biotech, and pharmaceutical industries, as an investment banker in Lehman Brothers’ Healthcare Group. Dr. Natesan has also served as an Assistant Professor of Diagnostic Radiology at the UT-MD Anderson Cancer Center, and has contributed to multiple publications, national presentations, and grant-funded research in imaging economics.

Ronald T. LoVetri, M.S.
CHIEF OPERATING OFFICER
Ronald T. LoVetri, M.S.
CHIEF OPERATING OFFICER

Mr. LoVetri has experience in manufacturing, software, and IT with industry leaders such as GE, Autodesk, Charles Schwab and BioRad Laboratories.  He has an MS in Engineering and proven leadership in enterprise management and bringing products to market.

Nasser C. Pirshafiey, MBA
CHIEF PRODUCT OFFICER
Nasser C. Pirshafiey, MBA
CHIEF PRODUCT OFFICER

For over three decades Mr. Pirshafiey has developed products and businesses for domestic and multinational firms. Mr. Pirshafiey’s creativity, innovative problem-solving skills, and entrepreneurial mindset have provided professional, technical, and business solutions to many start-ups and mature companies.  He has previously founded and managed two companies with the mission to provide sustainable practices to industries such as medical devices, automotive, aerospace, high-tech, consumer products, and robotics (brief client list: Johnson & Johnson, Siemens, Edwards Life Sciences, Autoliv, TRW).  Mr. Pirshafiey has 16 inventions filed with the US patent office, holds a Bachelor of Science in Aeronautical Engineering, and an MBA with specialization in Entrepreneurship.

Brian Bothen
VP SALES & BUSINESS DEVELOPMENT
Brian Bothen
VP SALES & BUSINESS DEVELOPMENT

Brian Brothen brings to QT Ultrasound more than two decades of commercial pharmaceutical, diagnostic, and medical device oncology experience including sales, commercial leadership, business development, strategic planning, and key opinion leader development.  Prior to joining QT Ultrasound, Mr. Brothen was the Vice President of Sales at Paradigm Dx.  During his time at Paradigm Dx, he led the launch of the company's new NGS cancer diagnostic test to help deliver personalized cancer therapy.  Mr. Brothen has held numerous oncology sales and sales leadership positions at Agendia, Pharmion (Celgene), Sanofi, and Schering Plough.  Mr. Brothen graduated from the University of South Florida with a degree in Business and Communications.

Explore our latest research

Read more about the various studies performed on our breakthrough technology