A Few Words

About Us​

PROTXX is led by an accomplished team of IoT device and data platform engineers, clinical neurology practitioners and researchers, and digital healthcare business professionals, with extensive experience launching, growing, and exiting a variety of innovative enterprises in healthcare and related technology markets.

Headquartered in Silicon Valley, with Canadian operations based in Calgary, Alberta, PROTXX is supported by a well-established network of R&D, manufacturing, clinical pilot, economic impact analysis, and distributor partners in Canada, the U.S., and Europe.

PROTXX has been recognized with numerous industrial, academic, and government awards.

Our Mission is to Transform the Lives of Tens of Millions of People Around the World.

Our Innovations Are

Transforming Healthcare

Developed by an

Experienced Team

The PROTXX leadership team is an accomplished group of IoT device and data platform engineers, clinical neurology practitioners and researchers, and digital healthcare business professionals.

John Ralston

John Ralston

PhD – CEO & Founder

  • 2016 “Pioneer in Healthcare Technology Innovations Award”
  • CEO, Sales, Marketing, R&D. Six previous Silicon Valley start-ups (1 IPO, 5 M&A)
  • BSc Physics & BSc EE, M.I.T. Ph.D. EE, Cornell University. M.Sc. Management of Technology, M.I.T. Sloan School.
Josh Roper

Josh Roper

VP Operations

  • Seasoned IoT and SW engineer, product manager, and business unit executive
  • Previously Silver Spring Networks, SAP, Oracle, Portera, TXU
  • BS EE, Rice University. MBA Mgmt of Technology & Entrepreneurship, UC Berkeley, Haas School of Business.
Andreas Hauenstein

Andreas Hauenstein

PhD – Dir Platform Eng

  • 23 years experience in advanced database, data analytics, mobile apps, and full stack SW platform development.
  • R&D, prod dev, project mgmt. Financial services, wearables, industrial drones.
  • PhD Comp Sci, Univ Hamburg. MS Comp Sci/Math, Univ of Technology, Munich.
Jim Walker

Jim Walker

Chief Financial Officer

  • 25+ years experience as Silicon Valley CFO, COO, and CEO, developing and commercializing wide range of technologies and products (3 IPOs).
  • MBA, Santa Clara University. BA in Mathematics and Physics, San Jose State University.
Ashutosh Raina

Ashutosh Raina

MD - Advisory Board

  • Medical Director, Ctr of Excellence Ped Neurology, Dignity Health, Sacramento.
  • Clinical Neurophys Residency, Children’s Hospital Mich. Ped Neuro Residency, Wayne State. Pediatrics Residency, Brookdale University Hospital, Brooklyn, NY. B Med, B Surgery, Pune University.
Want to see how your practice can change?

Work with us

We’d love to see how your healthcare organization can leverage our innovations to enhance in-clinic and remote patient care.

Contact our team

  • (650) 215-8418
  • info@protxx.com

Contact Us


PROTXX, Inc. –Corporate Office
Silicon Valley


PROTXX, Inc. –Clinical Office
Sacramento, California

We help clinicians deliver

Personalized Health Management

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