Tim Kalkman joined The Campbell Group in 1993 and is now a Vice President in our Commercial Division. Tim has a very impressive background in business sales and grew up specifically in the construction industry. Tim comes from a long line of contractors in the construction, concrete, paving and redi-mix industries. His valuable knowledge in this area has served him well as he has one of the largest books of business at Campbell with 40% concentration in the construction business. Tim graduated from Central Michigan University and has his LIC designation.