Medicine Man Technologies, a Denver-based cannabis consulting firm, appointed co-founder Andy Williams as chief executive.
That deal, expected to close in June, will give the combined companies a revenue run rate between $40 million and $50 million.
Roper’s death – the cause was not disclosed – stunned the cannabis industry.
Roper helped Williams found Medicine Man Technologies in March 2014 – five years after Williams co-founded Medicine Man, a vertically integrated Denver cannabis company.