David Tretbar

Mr. David Tretbar is a Vice President-Exploration & Mineral at Summit Mining International, Inc. and a Director & Senior Vice President-Exploration at San Cristobal Mining, Inc. He is on the Board of Directors at San Cristobal Mining, Inc. Mr. Tretbar was previously employed as an Independent Non-Executive Director by Lion One Metals Ltd., a Senior Exploration Geologist by Alamos Gold, Inc., and a Chief Geologist by Minera San Cristóbal SA. He received his undergraduate degree from Northern Arizona University and a graduate degree from Mackay School of Earth Sciences & Engineering.