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Mission-Driven Team

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Our Mission

HALO Yellow 2

Deliver life-changing patient experience, insights and outcomes.

We believe technology will unlock the power of personalized medicine by combining individual diagnostic insights into an ensemble view of your health.

Our Team

HALO Yellow 2

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 Diagnostics is uniquely positioned to build the new standard in advanced diagnostics. 


Michael Uhl 
Chief Executive Officer

20+ years of leadership in executing $100B+ in tech-based growth transactions with McKinsey. LinkedIn


John Feller

Dr. John Feller
Chief Medical Officer

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



Brian Axe 
Chief Product Officer

20+ years of digital marketing experience and co-creator of $20B Google AdSense business. LinkedIn


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Aram Compeau
Chief Technology Officer

20+ years building out scalable technology platforms, including VMware's Cloud Provider Software $530M Business Unit. LinkedIn


Adrian Gauch_greyscale

Adrian Gauch
Chief Operating Officer

15+ years of tech turnaround and growth experience, driving $7B+ EBITDA impact (Sony, Google, McKinsey).  LinkedIn



Clint Hill
Chief Financial Officer

20+ years of healthcare finance leadership, including in medical imaging (OIA, Apricity). LinkedIn


Bernadette Greenwood

Bernadette Greenwood
Chief Research Officer

20+ years of product development of breast and prostate imaging and intervention solutions (GE, Invivo/Philips). LinkedIn



Gabriel Sanchez
Chief Strategy Officer

25+ years of bulge bracket investment banking and strategy consulting experience (Morgan Stanley, Wachovia, Salomon, Merrill Lynch, KPMG).LinkedIn



Doug Appleton
General Counsel

20+ years general corporate law experience with major law firms and in-house corporate legal departments for public and private companies. LinkedIn

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Dr. Ara Karamanian
HALO Dx Fellow

Board-certified vascular and interventional radiologist with ACGME accredited fellowship. Distinguished Duke biochemical engineering graduate. LinkedIn


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 degreesLinkedIn

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Dr. Christopher Hancock
Neuroscience Physician

Board-certified in diagnostic radiology and neuroradiology. Completed residency and fellowships in neuroradiology and musculoskeletal radiology at the University of Miami. LinkedIn

Hai Shao
Sr. Data Scientist

20+ years expertise applying Machine Learning & Data Science (Brand.net, Verizon, Duke PhD). LinkedIn



Robert Russell
Director Bus. Intelligence

30+ years of data engineering and business intelligence experience (23andMe, Netflix, Yahoo). LinkedIn


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Alexander Kolev
Director of Engineering

19 years experience in software engineering, project and product management, release management and cross-geo coordination.LinkedIn