Craig Williams joined Snowden in 2005 as a Consultant Resource Geologist, here he has consulted on the design of diamond exploration and evaluation programmes, as well as producing mineral resource estimates, independant technical reports and financial valuations on several kimberlite and alluvial diamond projects in South Africa and Angola.  Craig has also consulted on a range of other commodities, including coal, platinum, iron ore, gold, and vanadium, in Southern Africa and Australia.
Prior to joining Snowden, Craig developed a broad range of skills and experience in the areas of kimberlite petrography and mineral chemistry, diamond exploration and mining geology, through his time with some of South Africa's premier mining companies such as Anglo Coal and De Beers. Craig has also written a number of papers including; Williams, C.M and Robey, J.V.A (1998) Petrography and Mineral Chemistry of the Mwenezi-01 Kimberlite, Zimbabwe.  This was included in the Proceedings of the 7th International Kimberlite Conference.