ANN ARBOR, Mich.--(BUSINESS WIRE)--Advanced Photonix, Inc.® (NYSE Amex: API) will participate in 13th Annual B. Riley & Co. Investor Conference in California next month. The conference is May 21-23, 2012 at the Loews Santa Monica Beach Hotel in Santa Monica, California. API’s Chairman and CEO, Rick Kurtz, is scheduled to present on Tuesday, May 22 at 8:30 a.m.