David H Koch, 59 years old, lives in Phoenix, Arizona. Other places in which David has lived are Wilmington, Delaware and Mesa, Arizona. Charles Chase Koch, James Nolan Koch, William D Koch, Jerry Koch, Craig R Koch, Steven Kochensparger, Philip K Kocher, John R Koch, Jeffrey J Koch, Robert Dekoch, Craig R Koch, Chase Chase Koch, Bruce K Koch, Hans E Kochler, William Ingraham Koch and Thomas F Koch are some of David relatives.