Rob and Linda Andreae of St. Helena announce the engagement of their daughter, Caitlin Christine Andreae, to Patrick Stephenson Wall of Georgia and Colorado. Caitlin is a 2003 graduate of St. Helena High School and both attended the University of Colorado, Boulder. Caitlin is a marketing manager for a television network and Patrick is an account executive for a mobile digital media company. An Aug. 23 wedding in St. Helena is planned. After their marriage, the couple plan to reside in Santa Monica, California.