Mark Muszanowski joined ESD in 1973, the same year the Willis Tower was completed. Now, he works in our new headquarters in what is still Chicago’s tallest building. Happy 45th anniversary, Mark! #esd #engineering #willistower #anniversary
Sweet indulgences keep us going on #tuesdays #royaltyforme
Details of the day ???? #royaltyforme #denim ⠀
Boss ladies wear denim too ???? #royaltyforme #denim ⠀
