Geotechnology Inc.has promoted Duane Kreuger to branch manager of the St. Louis office.

The new position was created in part by the growth Geotechnology has seen over the last few years.

Kreuger, who resides in Creve Coeur, began his career with Geotechnology in 1992 as a member of the environmental services team and became the environmental group manager in 2009. As a member of the Association of Environmental & Engineering Geologists, Kreuger holds the position of past president and chair of the advertising/sponsorship/exhibit committee. He is also a member of the National Ground Water Association.

Geotechnology, which has its headquarters at 11816 Lackland Road,

Suite 150, offers consulting services in applied earth and environmental sciences.