Jeff Kleiner, MD

President + CEO

After becoming frustrated with existing tools in his spinal surgery practice, Jeff Kleiner, MD founded Kleiner Device Labs in 2013, and began developing a suite of tools and techniques which allow the performance of open and minimally invasive spinal surgery to be safer, easier, and more efficient. 

Dr. Kleiner graduated with honors from Stanford University, received an MD from the University of Colorado, completed a surgical internship at Rush University in Chicago, and was a resident and NIH postdoctoral fellow at the University of California at San Diego. Upon returning to Colorado in 1991, Dr. Kleiner specialized in adult and pediatric reconstructive spinal surgery at the Colorado Spine Center and University of Colorado. Over 25+ years of practice he performed more than 6,000 spinal surgeries, until retiring in 2016 to focus on Kleiner Device Labs.

 Jeff lives in Denver, and is an avid skier and cyclist.

Harris Kirschner

Chief Financial Officer

Harris Kirschner is responsible for optimizing the financial performance of Kleiner Device Labs and has served as CFO since the company’s inception.

Harris graduated from the University of Denver with a B.A. in Finance, and a double minor in Economics and International Studies. He is currently a partner at 3rd Creek Investments where he focuses on driving the success of small businesses. Over the years he has gained experience in tax, financial management and accounting, audit, and private investments. Harris also serves as an advisor for 3rd Creek Foundation, a private philanthropic foundation focused on international poverty alleviation.

Harris lives in Lake Tahoe, and was known as a lean, mean, goal-making machine during his days playing hockey.

Brad Samson

Chief Commercial Officer

Brad Samson leads the development of Sales and Marketing strategies for commercial, federal, and channel partners, as well as pricing and sales policies for Kleiner Device Labs.

Brad graduated from the Daniels College of Business at the University of Denver with an MBA and BS in Finance. His experience covers many facets of the medical and healthcare industries, including business development, marketing, communication, and public policy for companies such as Axolotl Biologix, Fitbit, Vocera, and Welltok.

Brad lives in Phoenix, and is a pickleball aficionado.

John Grimberg

Chief Technical Officer + Design Engineer

John Grimberg develops and builds specialized tooling used in minimally invasive spinal surgical procedures for Kleiner Device Labs.

John studied machining technology at Warren Technical Center and later studied mechanical engineering at the University of Colorado, Boulder. He joined Ball Aerospace Technologies Corp. as a principal technical specialist, developing an expertise in infrared and ultraviolet light detectors for the Hubble Space Telescope and other space-born remote sensing instruments.

John lives in Denver and enjoys several of the essential Colorado outdoor activities: hiking, cycling, and rock climbing, and is a respected metal and glass sculpture artist. 


Kleiner Device Labs LLC

999 Driver Way • Incline Village • Nevada • 89451 • USA


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