Architecture + Engineering Services in Sioux Falls, SD

In 2023, ISG celebrates its 50th anniversary milestone. An architecture, engineering, environmental, and planning firm, ISG has 13 offices positioned throughout the Midwest and serves clients nationwide. Throughout the year, ISG hosted a series of anniversary events to show our appreciation for the communities, clients, partners, and employee owners who have supported the mission of making a difference.

Based in the Sioux Falls office, Project Management Group Leader Tiara Marcus has been a part of the ISG team for over a year. With her engineering background and hands-on experience, she brings an in-depth knowledge of best practices and efficiencies for project teams.

For over a decade, David has served as one of ISG’s empowering leaders. As President, he strives to find opportunities for his fellow employee owners, encouraging them to grow into leaders and elevate their experience and success at ISG. Read on to learn more about David’s journey into the industry, his favorite aspects of ISG, and a bit about life in Sioux Falls, South Dakota.