Born in Miami, Florida in 1971, Craig graduated from Cornell University in Ithaca, New York. Craig served in the Marine Corps, achieving the rank of Major. Craig began collecting in the late 1970s, and launched CGM in 2000. Craig currently lives in Southern California.

Craig has been featured in countless magazines and newspapers worldwide , and has appeared on numerous television programs including Pawn Stars, where he was the weapons expert for 4 seasons.   Craig co-starred in Battlefield Recovery (Netflix) where a 4-man team traveled to battlefields of Eastern Europe in search of lost and forgotten soldiers in order to identify and rescue their remains and personal effects from the ravages of time and return them to their families and countries of origin.

Craig launched CGM Auctions in 2011, the first auction house in the military space (and one of the first ever anywhere) to deliver lifetime-guarantees, no buyer's premium, low opening bids, and no reserves.  CGM Auctions is now a game-changing force in military antique and firearms collecting.