It was predetermined upon his appointment to the C
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They also have taken steps to aggressively market the Eagle Spirit and HEMPd brands, including appointing Jay Saldi to Vice President of Sales and Marketing and President of Eagle Spirit Land and Water Company, and he'll be responsible for sales and promotion of all company products.
Michael saw a good opportunity to go where his experience could help another start up. People need to remember that Michael Welch has a large quantity of RMHB common stock and hasn't sold any of it. He still holds those shares because he knows what they'll be worth in the fairly near future and the gains he'll realize from that.
If his departure was due to loss of confidence, I highly doubt he would hold his shares when he could sell and reinvest elsewhere. It appears to have been purely a move to take him back upward on a new team as more experienced business pros take over key positions in the RMHB wheelhouse. Again, this was anticipated from the beginning of his gig with RMHB since it was announced as such.