Who Is Behind The Amazing Selling Machine Training Program? Matt Clark and Jason Katzenback set up the amazing selling machine course review in 2012. They are two individuals who have also founded other thriving business. Others who also take part in teaching the programβs modules include Rich Henderson and Mike McClary. They teach in a way that makes it fun even for someone who has zero knowledge, which is how you building successful sellers. John runs philanthropic initiatives and is also a se
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