Stefani was born on June 29th, 1970 in Ogden, Utah to Michael and Nannette. She passed away October 14th, 2021 at Mountain Vista Medical Center in Mesa, Arizona. Stefani is survived her mother Nannette Sepulveda, stepfather Robert Sepulveda, her brothers Michael (Randi) Briseno, David and Adam (Megan) Sepulveda, and sister Carli Briseno, step-grandmother Connie (Frank) Chase, her boys Jeffrey Zemel, Forest Zemel and Landon Stanley as well as many nieces, nephews and cousins. Stefani is preceded in death by her grandparents Amelia and Jesus Briseno, by her sister Gina Franco, her niece Amanda Lomeli and her son Dustinn Slaven. Stefani graduated from Bonneville High School in 1988 and moved to Mesa, Arizona in 1991. She has been able to reinvent herself and thrive in whichever line of work she chose in life. Stefani lit up every room she entered with her energy and contagious sense of humor. She loved her family and friends passionately and made sure to show that love by calling every day, showing up to all the birthdays, holidays and other family events, by protecting her loved ones in time of need and by making sure everyone around her was smiling or laughing. A funeral mass is scheduled for 12pm, Friday, November 12th at Queen of Peace Catholic Church, located at 141 N Macdonald, Mesa, AZ. All are welcome to attend. Mass will be followed by celebration of life at the home of Michael and Randi Briseno. Flowers may be sent to Queen of Peace Catholic Church the day of the mass.