After being educated as an English Major at Yale and The University of Washington, Rainer engaged in a 10 year career in show business as a singer-songwriter-musician, appearing in concerts around the world and Las Vegas Hotels like Caesar's Palace, The Riviera and Aladdin. His musical and lyrical experience led to writing commercials for television and radio for national clients while managing his own companies for two and a half decades. Writing for others finally prompted Rainer to try his hand at thriller novels and screenplays. After a few years of advice and help from several editors and his agent, Rainer was able to publish two novels in 1997-98, which have been now released as reprints along with two new thrillers titled COSMOSIS and THE FIND. Aside from his love for writing, Rainer is also currently an owner/partner in a marketing firm that specializes in product development and high profile computer graphics.