title: Thomas Sandgaard
text: # Thomas Sandgaard
  
  Thomas Sandgaard is a Danish entrepreneur and inventor based out of Colorado. Sandgaard is the founder and CEO of Zynex Inc.
  
  ## Career
  
  Sandgaard was born and raised in Denmark. He obtained his BSc in electrical and electronics engineering from University of Southern Denmark. He graduated from Copenhagen Business School with an MBA degree in marketing. In 1996, he moved to the United States and later in 2018, he gained US citizenship.In 1996, he founded Zynex Inc. and in August 2018, he founded The Sandgaard Foundation with a goal to end the opioid epidemic and save lives from opioid overdose.
  
  In September 2020, Sandgaard acquired Charlton Athletic.
  
  On 21 July 2023, Sandgaard sold Charlton Athletic to Global Football Partners.
  
  ## Patents obtained by Thomas Sandgaard
  
  * Method and apparatus for non-invasively detecting blood volume imbalances in a mammalian subject (20190150761), 2019
  * Methods and apparatus for estimating a blood volume of a mammalian subject (20120016246), 2012
  * Electromyogram-triggered neuromuscular stimulation device and method (20050113883), 2005
  