Ronn "R.J." Kaiser, was born in Kansas and grew up in California. He is the author of more than a dozen mystery-thriller and general-interest-fiction titles, including Hoodwinked, Glamour Puss, Fruitcake and Jane Doe. Most of his books have been critically acclaimed and published around the globe. His relationship mysteries are somewhat unique in the field and have won a wide following among both male and female readers.

Ronn has an A.B. and J.D. from the University of California at Berkeley and an M.A. from the Fletcher School of Law and Diplomacy. He served as an intelligence officer in Vietnam and has worked for the U.S. Congress as an international law specialist, and the United Nations where he served on the staff of the director general of a specialized agency in Geneva, Switzerland. He was in the private sector for many years working as a business executive, a lawyer and an international investment consultant. He has lived abroad and traveled widely.

Ronn is married to romance writer Janice Sutcliffe-Kaiser. They have been writing full-time for 18 years, sharing their personal and professional lives.