A lifelong resident of Erie, Sinnott graduated from Academy High School in 1984, and
Gannon University in 1988 with a
B.S. in chemistry. He worked as the Industrial Pretreatment Chemist/Coordinator for the City of Erie for eight years. He was accepted to
Case Western Reserve University School of Law in 1996 and graduated in 1999. He joined the firm of Quinn, Buseck, Leemhuis, Toohey & Kroto in Erie, concentrating on
environmental and
commercial litigation and later practiced
municipal and
family law with Erie's Carney & Good for several years. In 2003, Sinnott was elected to the city council for a four-year term. In 2005, he successfully ran for mayor of Erie, taking office on January 2, 2006. He was reelected in 2009 and again in 2013. Sinnot's parents, Edward and Gloria, were public school teachers. ==See also==