In the early nineties he relocated to Titusville, Florida, where he shared a  hombu dojo (headquarters) for seven years with Aikido Sensei Tom  Walker. Foster continued to instruct senior grades at his hombu dojo in Titusville until 2008, when he retired from active teaching due to health reasons.
In the early 1990s, he relocated to Titusville, Florida, where he shared a hombu dojo (headquarters) with Aikido Sensei Tom Walker for seven years. Foster taught senior grades at his hombu dojo in Titusville until 2008 due to health reasons.