Ken Landphere received his bachelor's degree from San Jose State University, followed by his JD degree from Santa Clara University. Prior to SJSU, Landphere was a baseball student-athlete at San Diego State University.

From 1987-2001, Ken partnered with Ray Anderson to form AR Sports, representing professional athletes and coaches in the NFL, MLB and NCAA. The duo distinguished themselves in representing minority coaches in football, such as Tony Dungy, Herman Edwards, Dennis Green, Marvin Lewis and Tyrone Willingham. After the acquisition of AR Sports by Octagon, Ken remained  with the company for 15 years  becoming one of the most prominent and respected agents in the country.  At Octagon he first served as Director of the Coaches Division, then Director of the Football Division, and contributed to the Baseball Division. 

In 2016, Ken rejoined Ray, who had become the Athletic Director of Arizona State University, as ASU Senior Associate Athletic Director, administrating eight ASU sports, and the Sun Devil Performance Program, which included strength coaches and trainers.