Mission-Driven Team

We have assembled a world-class team of medical, technology, and business leaders to redefine personalized medicine from the inside out. With our diagnostic centers of excellence, expertise in medicine, and Silicon Valley roots, HALO Precision Diagnostics™ is uniquely positioned to build the new standard in precision diagnostics.

HALO Leadership

Seasoned Business, Technology and Clinical Executives

At HALO, our leadership team brings together deep expertise across imaging, clinical care, and technology. United by a mission to transform early detection and precision diagnostics, they are driving innovation that makes care more proactive, data-driven, and patient-centered.

Michael Uhl

Michael Uhl

Chief Executive Officer

20+ years of leadership creating $100B+ in tech-based growth transactions at McKinsey.

LinkedIn
Brian Axe

Brian Axe

Chief Product Officer/Investors

Launched Google’s AdSense business; Google Founders Award recipient; serial entrepreneur.

LinkedIn
Dr. John F. Feller

Dr. John F. Feller

Chief Medical Officer

Stanford trained diagnostic radiologist; founding partner of Desert Medical Imaging.

LinkedIn
Bernadette Greenwood

Bernadette M. Greenwood, RT(R)(MR)(ARRT), PhD(c)

Research & Therapeutics

PhD(c) prostate MRI researcher; developed and led the first human case of MRI-guided focal laser therapy in 2010. Instrumental in establishing an MRI-based prostate cancer program in Trinidad and Tobago.

LinkedIn
Jeff Gerard

Jeff Gerard

Senior Advisor

Former President of Sutter Health, leading growth and transformation of large health organizations.

LinkedIn
Tichelle Lyons

Tichelle Lyons

Revenue Cycle

CPC (Certified Professional Coder)-certified RCM (Revenue Cycle Management) leader with 10+ years across diagnostics; built AI-driven workflows, boosting collections 30%.

LinkedIn

HALO Medical Group

Clinical Excellence Across Specialties

Dr. Jonathan Blevins

Dr. Jonathan Blevins

Board Certified Diagnostic Radiologist

Fellowship-trained musculoskeletal radiologist, board certified in diagnostic radiology by the American Board of Radiology; member of the American Roentgen Ray Society.

LinkedIn
Dr. Christopher Hancock

Dr. Christopher Hancock

Neuroscience Physician

Board certified neuroradiologist with 20+ years healthcare experience, neuroscience researcher, and MBA in healthcare.

LinkedIn
Dr. Steven R. Gunberg

Dr. Steven R. Gunberg

Director of Body and Cardiac Imaging

Board-certified, dual fellowship-trained radiologist in body imaging and musculoskeletal radiology, specializing in cardiac imaging.

LinkedIn
Dr. Patricia Hadley

Dr. Patricia Hadley

Breast Imaging Radiologist

Board-certified, fellowship-trained breast imaging specialist with 35+ years of diagnostic radiology experience. Former Director of Breast Imaging at MD Imaging; expert in mammography, MRI, and interventional procedures.

LinkedIn
Dr. Mauricio Schrader

Dr. Mauricio Schrader

Diagnostic Radiologist

Board-certified diagnostic radiologist with 40+ years of experience specializing in breast imaging, ultrasound, and MRI. Trained at University Hospitals Cleveland and UC Irvine with extensive practice in Chico, CA.

LinkedIn
Dr. Craig Letner

Dr. Craig Letner

Diagnostic Radiologist

Board-certified diagnostic radiologist with 25+ years of experience specializing in general radiology and breast imaging. UC Davis School of Medicine graduate with extensive clinical leadership in Chico, CA.

Dr. Catherine Kasper

Dr. Catherine Kasper

Body Imaging Radiologist

Board-certified diagnostic radiologist specializing in body imaging and women’s health. Graduate of Midwestern University Arizona College of Osteopathic Medicine with a strong focus on breast cancer early detection and patient education.

LinkedIn
Dr. Nghi Lu

Dr. Nghi Lu

Nuclear Medicine & Diagnostic Radiologist

Board-certified in nuclear medicine and diagnostic radiology with 20 years of clinical experience. UCLA-trained with expertise in PET, CT, MRI, and advanced diagnostic imaging.

Strategic Advisors

Guided by Recognized Experts

Dr. Matija Snuderl

Dr. Matija Snuderl

Director of Molecular Pathology

Board-certified neuropathologist and molecular pathologist with 15+ years of clinical and academic experience. NYU Langone professor and pioneer in DNA methylation-based brain tumor diagnostics.

LinkedIn
Dr. John R. Mehall

Dr. John R. Mehall

HALO Dx Fellow

Board certified cardiovascular surgeon with 20+ years healthcare leadership experience, researcher and nationally recognized surgeon, and serial entrepreneur with an MBA in healthcare.

LinkedIn
Dr. Frank Lexa

Dr. Frank Lexa

Neuroradiologist and Healthcare Economist

Board-certified neuroradiologist with 25+ years of academic and clinical leadership. Stanford-trained physician and global faculty at Wharton School of Business.

LinkedIn
Dr. Frank G. Shellock

Dr. Frank G. Shellock

MRI Safety & Biomedical Research Expert

Pioneer in MRI safety with 30+ years of clinical and research leadership. Adjunct Clinical Professor at USC and Founder of the Institute for MR Safety, Education & Research.

LinkedIn
Dr. Irfan Shafique

Dr. Irfan Shafique

Diagnostic Radiologist – Cardiac Imaging & AI

Board-certified diagnostic radiologist with expertise in AI-based cardiac imaging. Developer of DEEPVESSEL FFR and Johns Hopkins-trained nuclear medicine specialist.

LinkedIn
Dr. Mahmood Alikhan

Dr. Mahmood Alikhan

Cardiologist

Board-certified cardiologist with 20+ years of experience treating complex cardiovascular conditions including atrial fibrillation, coronary artery disease, and hypertension. Completed advanced training and residency at Johns Hopkins.

LinkedIn

Focal Therapy / Early Therapeutics

Pioneers of Men’s Health

Dr. John F. Feller

Dr. John F. Feller

Chief Medical Officer

Board-certified subspecialized radiologist with fellowship training at Stanford. US Air Force veteran.

LinkedIn
Dr. Stephen Scionti

Dr. Stephen Scionti

Prostate Program Medical Director

Board-certified urologist and globally recognized HIFU surgeon with 20+ years’ experience building the nation’s largest prostate cancer treatment center using minimally invasive therapies.

LinkedIn
Dr. John Jurige

Dr. John Jurige

Board-Certified Urologist

Board-certified urologist and prostate cancer expert with 25+ years of experience. Specializing in minimally invasive prostate therapies including Sonablate HIFU, TULSA-Pro and NanoKnife procedures. Performed the first HIFU procedure in the United States.

LinkedIn
Bernadette Greenwood

Bernadette M. Greenwood, RT(R)(MR)(ARRT), PhD(c)

Chief Research Officer

20+ years of product development of breast and prostate imaging and intervention solutions (GE, Invivo/Philips). Led the first human case of MRI-guided laser focal therapy in 2010.

LinkedIn
Dr. Jeffrey Herz

Dr. Jeffrey Herz

Board Certified Urologist
Dr. Behzad Noorbehesht

Dr. Behzad Noorbehesht

HALO Dx Fellow

Board-certified, fellowship-trained (Stanford) radiologist with 30+ years of leading-edge medical imaging with both MD and PhD degrees.

LinkedIn
Jeff Gerard

Jeff Gerard

Senior Advisor

20+ years of strategic growth leadership in the healthcare industry (former President of Sutter Health Bay Area).

LinkedIn

Early detection saves lives. Let’s start with yours.

Call 844-425-6522 Contact Us