In 1989 Mark started his career with Trus Joist. For the next thirteen years he worked his way up from salesperson to Southern California Sales Manager to Western Regional Manager of the commercial division of Trus Joist.

In 2003 Mark took a position with Standard Structures as Sales Manager and within one year became Director of Sales and Marketing working directly for the owner and President of the company. During these years in the engineered wood business Mark established a relationship with the structural engineering community in California, which ultimately provided him with the knowledge and contacts to create Structural Resource Group.