Lion One Metals Limited announced the appointment of Mr. David Tretbar, P.Geo, to the Company's Board of Directors. Mr. Tretbar is currently Vice President, Exploration and Mineral Resources of Denver-based Summit Mining International where he is responsible for developing exploration programs, implementing exploration and resource development strategies, and providing technical support in all aspects of mine and mill production at Minera San Cristóbal in Bolivia. He also performs project due diligence for strategic alliances and joint ventures, and executive support functions within Summit Mining and its parent Sumitomo Corporation.