About Us

Our Story

Inspired by a horrific testing experience during his battle with acute leukemia, PreciseMDX co-founder and Silicon Valley tech veteran Guy Livneh was determined to dramatically improve the entire testing journey for labs, providers and patients. It took months for Guy’s care team to not only get access to the right kind of tests, but to receive the results critical to his path to recovery. It shouldn’t have to be this difficult for anyone, Guy believed.

With the COVID pandemic elevating the urgency for labs and providers to streamline and expedite testing for patients, Guy and his business partner of 30 years Mark Dorner jumped on the opportunity to help labs digitally transform the entire journey, making it easier to provide customers with access to more tests for more patients, with faster results.

Just one year later, PreciseMDX’s best-in-class platform integrates labs, medical device manufacturers, shipping and fulfillment companies, clearing houses, state authorities and biotech companies for a new era of digital connectivity, giving way to happier patients and healthier bottom lines.

“We remove all the complexities of launching a complete virtual environment for diagnostic testing, allowing labs to deliver a seamless consumer experience that patients expect and deserve.”

Leadership Team


Mark Dorner

Co-Founder and CEO

Guy Livneh

Co-Founder and CTO

Bill Sims

VP of Sales & Business Development


Eliad Josephson

Guiding Principles

With our customers at our core, we live by these values every day:

Deliver Quality - Quickly

We strive for nothing less than exceptional in our service to our clients and in the design of our solutions. From vision and design to the finished product, we deliver projects exponentially faster than the industry standard. Always on time — without sacrificing quality.

Solve Problems That Matter

We believe in work that makes our customers’ and patients’ lives easier and better. We’re here to help healthcare deliver the same easy, seamless, integrated experience consumers have come to know and expect from their online shopping, banking and travel experiences.

Learn, Teach and Grow

We ask a lot of questions and continually challenge the status quo to find new ways to solve our customers’ most difficult business problems. We love client feedback, and hold ourselves accountable every step of the way.

Contact Us

Headquarters Email

Headquarters Phone

+1 (866) 462 4677


11601 Wilshire Blvd, Suite 500
Los Angeles, CA 90025