Ben Milne, CEO at Dwolla, will give the keynote speech at the third annual Iowa Statewide STEM Conference set for March 28, The Des Moines Register reported. The conference also will feature discussions led by educators, Lt. Gov. Kim Reynolds and Vermeer Corp. CEO Mary Andringa. The free conference runs from 8:45 a.m. to 4:30 p.m. at the Community Choice Credit Union Convention Center at Veterans Memorial, 833 Fifth Ave. To sign up, click here.