Katherine Diane Johnson, 53 years old, works at Glades Associates Llc. She lives in San Luis Obispo, CA. She has also lived in San Pedro, CA; Boston, MA; Brookline, MA and Marblehead, MA. Some of Katherine relatives are Kristine J Johnson, Gail L Johnson, Laura L Johnston, Michael R Johnson, William W Johnson, William C Johnson and Kimberly A Rudnisky.