• Located in Tempe, Tucson, Sierra Vista, and Florence
Partner & Shareholder

Dan Speck has spent over 40 years in the mining, materials, and testing industries ranging from mine site engineering to executive management

PARTNER/SHAREHOLDERDan Speck

Dan Speck has spent over 40 years in the mining, materials, and testing industries. His experience ranges from mine site engineering to executive management of a business nearing $1B in revenue with over 3000 employees.

Dan has served on numerous industry boards over the years such as National Ready Mixed Concrete Association, American Coal Council, and as Chairman and Life Director of the Arizona Rock Products Association.

Dan worked for the Kiewit Companies for over 30 years in various executive positions which included developing a top tier construction materials company through growth and acquisition.

Dan.Speck@sandhillholdings.com