Senator Weiner is an Assistant Democratic Leader.

Janice is a graduate of Iowa City West High School, Princeton University and Stanford Law School. She has two adopted daughters, whom she raised as a single parent while working overseas. Janice moved home to Iowa in 2015 with her younger daughter, who graduated from West High in 2018, and is raising her young granddaughter.

Janice joined the U.S. State Department in 1987, where she was first posted in East Berlin - both before and after the Berlin Wall fell. She also served in Belgium, Turkey, Poland, Canada, Mexico, Germany, and Washington, D.C. After retiring from the Foreign Service, Janice worked for the American Foreign Service Association (AFSA), the bargaining unit and professional association of the Foreign Service.

Prior to her election to the Senate, Janice served as an at-large member of Iowa City City Council. She currently serves as president of the board of Agudas Achim synagogue, and has held leadership roles at Shelter House, UNA/USA, the Council for International Visitors to Iowa Cities (CIVIC), and the Iowa City Foreign Relations Council. She is a founding member of the grassroots group Potluck Insurgency. She enjoys playing with the Community Band and has worked as a short-term substitute teacher for ICCSD.