Dennis Araujo, DBIA, LEED BD+C, has joined Contegra Construction Company as vice president. Araujo will seek to help the company expand its book of business in its core markets: commercial, educational, industrial, health care and office/warehouse. He will focus on the firm’s operations throughout Missouri and Illinois. Araujo is known for his expertise in design/build project delivery and health care construction. Prior to joining Contegra, Araujo worked for St. Louis, Mo.-based Korte Construction Company for 33 years.