Mr. Jones was also head of risk. This is likely part of the changes being made by the new regime in charge, led by Charles-Henri Sabet.
London Capital Group (LON:LCG) officially states:
London Capital Group announces that John Jones Chief Operating Officer of LCG has resigned from the Board to pursue other interests. His resignation will take effect immediately although he will remain as an advisor to the Company to ensure a smooth transition.
The Board would like to thank John for his hard work and contribution to the Company.