2025 Siouxland Nonprofit Summit

Mark has been with Interstates since 2012, first as an intern, then as a fulltime drafter in the power engineering department. He has been able to dip his toes into different technical areas, spending the past several years leading the development and standards in the Design Services... Read More →

Andrew Roelfs is a Training and Development Manager and has been with Interstates since 2012. Andrew currently is the leader of the Organizational Development Delivery team. Andrew supports many of our teams from an OD standpoint, as well as a human resources standpoint. He is on... Read More →