Doug Keim, a land acquisition specialist at Hanson Professional Services Inc.’s Springfield, Illinois, headquarters, recently celebrated five years of service with the company. Keim, who joined the firm in 2015, provides negotiation and relocation services for airport and highway projects. He received an associate degree in 1982 from Southern Illinois University at Carbondale’s School of Technical Careers. He is a member of the Illinois Association of Highway Engineers. Prior to joining Hanson, he worked for the Illinois Department of Transportation’s District 9 for more than 35 years.