Susan Andersen was born in 1950 and raised in Seattle, Washington surrounded by men; her father, her two older brothers and her grandfather. She trained as a dental assistant, although she did not like working for dentists. Susan married to her high school sweetie, and they had a son.
After she turned 30, she felt that she might have the "life experience" to string an entire book together. Her first novels were published in 1993. She has been nominated three times for Romantic Times Magazine's Reviewer's Choice Awards, winning in 1998 for Baby, I'm Yours. She has also been named a Romantic Times Career Achievement Award winner. She has appeared three times on the list of 10 novels picked as Amazon.com Editor's Choice in 2001, 2002 and 2003.