David A. Terry, Ph.D., P.Geo.
President & CEO / Director
Dr. Terry is a professional economic geologist, senior executive and corporate director with more than 25 years of international experience in the mineral resources sector. In the course of his career Dr. Terry has held executive positions and directorships with a number of publicly-listed and private mineral resource companies. He has also worked with a number of senior mining companies including Boliden Limited, Westmin Resources Limited, Hemlo Gold Mines Inc., Cominco Limited and Gold Fields Mining Corporation. Dr. Terry holds a B.Sc. and Ph.D. in geology from Western University in Ontario and is a member of the Association of Professional Engineers and Geoscientists of British Columbia.

Rasool Mohammad, B.Sc.
Mr. Mohammad has worked in mining and mineral exploration industry throughout the Americas. He graduated from the NWFP University of Engineering and Technology, Peshawar, Pakistan in 1991 with a B.Sc. (Mining Engineering). He has over 20 years of work experience in the mining and mineral exploration industry. He speaks English, Spanish, Urdu and Pashto. Mr. Mohammad is COO / Director of Select Sands Corp (V.SNS).

Douglas Turnbull, , B.Sc., P.Geo.
Douglas Turnbull is a consulting geologist with over 20 years’ experience in diamond, precious and base metal exploration. He holds an Honours Bachelor of Science degree in Geology and is a Qualified Professional Geoscientist recognized by the Association of Professional Engineers and Geoscientists of British Columbia. Turnbull is the President of Lakehead Geological Services Inc., a geological consulting company based in Vancouver, Canada, and provides a variety of exploration services to exploration and mining companies. He has been fortunate to have been part of mining teams responsible for the exploration and development of the Eskay Creek Gold Deposit in British Columbia, Canada, the Petaquilla Cu-Au Porphyry Deposit in Panama, the Mt. Kare Gold Deposit in Papua New Guinea and the OJVG Sabodala Gold Deposits in Senegal. In addition to Comstock, he currently serves as a director on the boards of Select Sands Corp. and Grizzly Discoveries Inc.

Darren Urquhart / B.A.Sc. (Electrical Engineering)
Mr. Urquhart is a Chartered Accountant with more than 10 years of experience working in both public practice and industry. Mr. Urquhart is presently engaged in public practice accounting offering CFO and accounting services to TSX Venture Exchange listed exploration companies in the Vancouver area. Mr. Urquhart began his career working as an audit accountant with Grant Thornton LLP, then later worked as a senior tax accountant with Lohn Caulder Chartered Accountants and more recently served as a consultant to an international private equity company. Mr. Urquhart obtained his Chartered Accountant designation in 2001 and is a member of the Institute of Chartered Accountants of British Columbia. In 1995, Mr. Urquhart obtained his B.A.Sc. (Electrical Engineering) from the University of British Columbia.

Steven H. Goldman
Steven H. Goldman graduated from Carleton University in 1976 (B.A., President’s Medal) and from Queen’s University in 1980 (J.D.). He was called to the Bar in Ontario in 1982.

He is a senior partner in the Toronto law firm of Goldman Hine LLP ( and the author of numerous articles concerning various aspects of franchising and insolvency law, commercial litigation, oppression remedies, shareholder and partnership disputes. He is also a frequent lecturer in those areas. He also provides strategic advice to businesses facing major litigation and insolvency issues.

He has been listed in the Canadian Legal Lexpert Directory as a leading litigation practitioner in franchising law in the Greater Toronto Area for more than 10 years, and has been listed previously in the Best Lawyers in Canada. Steven’s franchise law practice is split between acting for franchisors and franchisees. He also acts as a mediator and arbitrator in franchise and commercial disputes.

From December 21, 2007 until December 31, 2009, Steven was the President and CEO of both Speedy Corporation and Minute Corporation and successfully led the restructuring and turnaround of both the Speedy Auto Service and Minute Muffler franchise systems (with approximately 160 total retail stores located across Canada).

Steven is a member of the Executive of the Ontario Bar Association Franchise Section, member of the Law Society of Upper Canada, the American Bar Association Forum on Franchising, and the Institute of Corporate Directors. He was co-chair of the 12th Annual Ontario Bar Association Franchise Law Conference held on November 6, 2012 in Toronto.

Steven is a former director Select Sands Corp. (SNS.V) and Tribute Pharmaceuticals Inc., recently merged with Pozen Corp. on February 5, 2016, now known as Aralez Pharmaceutical, listed on the Nasdaq Exchange (symbol: ARLZ). He is a former director of Centric Health Corp. (formerly known as Alegro Health), the Canadian Children’s Opera Chorus and Fiber .

Ken Kuchling, P.Eng.
Mr. Kuchling brings with him over 35 years’ experience in mine engineering, mining operations and consulting across a variety of commodities including precious metals, base metals, bauxite, iron ore, tungsten, molybdenum as well as diamonds and potash.  Throughout his consulting career he has had direct involvement in scoping and feasibility studies, project management, 43-101 technical reports, economic modelling, mine design, and environmental permitting.  Mr Kuchling has project experience working in various regions in Canada, Alaska, Mexico, Panama, Argentina, Suriname, Russia, South Korea, Italy, Spain, and Senegal.  He was involved in the design stage and environmental permitting of the Diavik Diamond Project in the Northwest Territories and has experience with tropical to Arctic mining conditions.

Mr. Kuchling is a mining engineering graduate from McGill University and holds a Masters of Mine Engineering from University of British Columbia.  He is also a member of Professional Engineers Ontario (PEO) and currently lives in Toronto Ontario.

Robert D. Luffman, CPA, CMA
Robert D. (Rob) Luffman, a Canadian CPA, CMA (certified management accountant), has close to 30 years of financial experience in a variety of businesses and charitable endeavors. Rob currently serves as the Chief Financial Officer of Gracetree Investments, LLC, a family office in Bristol, Tennessee. Gracetree has numerous successful investments in the pharmaceutical industry, real estate, information technology, and other private businesses. Rob began his career as an accountant at the United Co-operatives of Ontario and served for 13 years as a Division Controller of what is now AGC Glass North America, a Japanese-owned international automotive, residential and commercial glass manufacturer. Rob is serving or has served on a number of corporate and charitable boards.

Mr. Luffman received his designation from the Society of Management Accountants of Ontario in 1992 and is currently a member of ACAUS (Association of Chartered Accountants in the U.S.)