Driving Directions:

Directions from the South, including San Diego International (SAN) airport:

Take I-405 NORTH at Junction. 
Take the LAKE FOREST DRIVE exit, turn LEFT onto LAKE FOREST DRIVE, turn RIGHT onto TESLA, and then turn LEFT onto GODDARD (First LEFT into MK BUSINESS CENTER).

Directions from the North, including John Wayne (SNA) and Los Angeles International (LAX) airports:

Take the IRVINE CENTER DRIVE exit, turn RIGHT onto IRVINE CENTER DRIVE,
turn RIGHT onto TESLA, and then turn RIGHT onto GODDARD (First LEFT into MK BUSINESS CENTER).